Tyan Computer Tyan S1857 manual

T yan S1857 T rinity 371 Motherboard User  s Manual Revision 1.20 Copyright © T yan Computer Corporation, 1999. All rights reserved. No part of this manual may be reproduced or translated without prior written consent from T yan Computer Corp. All registered and unregistered trademarks and company names contained in this manual are propery of t[...]

T able of Contents 1. Introduction.................................................................................................. 4 Overview .............................................................................................4 Icons................................................................................................. 5 BX Chi[...]

Supervisor and User Security ........................................................66 Flash W riter Utility ..........................................................................68 4. System Resources...................................................................................... 70 Beep Codes............................................[...]

http://www .tyan.com 4 Chapter 1 Introduction Overview The S1857 T rinity 371 is a quality , high performance motherboard designed for Socket 370 Intel Celeron and Slot 1 Intel PII/ PIII microprocessors. The Trinity 371 utilizes the Intel 440BX AGPset with AMI BIOS (S1857-B & S1857A-B) or a VIA VT82C693A with A ward BIOS for S1857 & S1857-A[...]

S1857 T rinity 371 5 INTRO ISA slot (one shared, seven usable) are free for numerous add-on expansion cards. Remember to take a look at TY AN Computer  s web site located at http://www .tyan.com. There you can find information on all of TY AN s products along with F AQs, distributors list, drivers, and BIOS setting explana- tions. Icons In or[...]

http://www .tyan.com 6 Chapter 1 Introduction S1857-B & S1857A-B BX Chipset Hardware Specifications/Features Processor Information  One Socket 370 CPU connector  One Slot 1 CPU connector 66/ 100 MHz bus support (BIOS selectable) Celeron 300 to 533+MHz Pentium II* and Pentium III up to 600 MHz *please refer to page 26 for current [...]

S1857 T rinity 371 7 BIOS Information AMI Plug and Play flash BIOS (S1857B) Deep Green, Energy Star , ACPI, Y ear 2000, Soft power-down, multiple boot options W in95/W in98/NT4/W in 2000 ready , DMI 2.0 compliant PCI 2.2, APM 1.1 compliant (All PCI slots have a 3.3V standby) Disk Drive & System I/O T wo PCI bus mastering EIDE [...]

http://www .tyan.com 8 S1857 & S1857A VIA Chipset Hardware Specifications/Features Processor Information  One Socket 370 CPU connector  One Slot 1 CPU connector 66/ 100 / 133MHz bus support (auto-deter mined by CPU) Celeron 300 to 533MHz Pentium II* and Pentium III up to 600MHz *please refer to page 26 for current PII CPU support[...]

S1857 T rinity 371 9 BIOS Information A ward Plug and Play flash BIOS Deep Green, Ener gy Star , ACPI, Y ear 2000, Soft power-down, multiple boot options W in95/Win98/NT4/W in2000 ready , DMI 2.0 compliant PCI 2.2, APM 1.1 compliant (All PCI slots have a 3.3V standby) Disk Drive & System I/O T wo PCI bus mastering EIDE channel[...]

http://www .tyan.com 10 Chapter 1 Introduction T echnical Support If a problem arises with your system, you should turn to your dealer for help first. Y our system has most likely been configured by them, and they should have the best idea of what hardware and software your system contains. Hence, they should be of the most assistance. Further , if[...]

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http://www .tyan.com 12 Chapter 2 Board Installation chapter 2 Board Installation Unpacking The motherboard package should contain the following: ( 1) S1857 mainboard ( 1 ) 40-pin IDE and 34-pin floppy cable pack (1) 80-pin A T A-66 IDE cable (S1857 & S1857A only) ( 1 ) S1857 User  s Manual ( 1 ) Driver CD ( 1 ) URM Retention Module Installa[...]

S1857 T rinity 371 13 procedure 1. 2. 3. INST A L L Here are some precautions you should follow when installing your mother- board: (1) Ground yourself properly before removing your motherboard from the antistatic bag. Unplug the power from your computer and then touch any metal part on the computer case. (Or wear a grounded wrist strap.) (2) Hold [...]

http://www .tyan.com 14 Chapter 2 Board Installation Quick References for Jumpers In this manual, the terms closed and on are used when referring to jumpers (or jumper pins) that are active; open and off are used when referring to jumpers (or jumper pins) that are inactive. See the Figure 2-1 for examples of on and [...]

S1857 T rinity 371 15 The tiny 1s next to jumpers of 3 pins or more indicate the position of pin 1 for that jumper . Figure 2-3 : Map of Motherboard Jumpers JP10 JP11 JP12 JP13 USB1 Keyboard USB0 Mouse Primary IDE connector COM2 COM1 Printer Port PCI slot 2 PCI slot 3 AGP port PCI slot 4 PCI slot 5 PCI slot 6 ISA slot 1 Flash BIOS J7 PCI slot[...]

http://www .tyan.com 16 Chapter 2 Board Installation Winbond Super I/O 3 DIMM slots Socket 370 for Celeron CPU PS/2 Mouse & Keyboard ports Floppy port A TX power supply header 6 PCI slots 1 ISA slot 2x AGP port 2 USB ports 1 Parallel, 2 Com ports 2-ch EIDE Intel 440BX or V ia Apollo Pro Plus AGPset BIOS Audio ports(On S1857- A &S1857A-B Onl[...]

S1857 T rinity 371 17 1. Setting Jumpers 1-A. CPU Speed Settings (Jumpers JP10, JP1 1, JP12, JP13) There are two steps to set the CPU speed. First, set the clock multiplier with jumpers JP10 -13 according to the specification of your CPU using the chart below . After the system is ready to boot up you will need to set the bus speed in the BIOS setu[...]

http://www .tyan.com 18 Chapter 2 Board Installation 1-B. Panel Connector Settings (Jumper J16) Power LED: For 2-pin: bicolor/single color - Use pins 2-4 1-C. BUS Speed Settings (FS0, FS1) 1-D. Speaker Connector (Jumper J12) The speaker should be connected to pins 1-4 of jumper J12. As default, pins 3-4 of jumper J12 are connected to the internal b[...]

S1857 T rinity 371 19 ! important! If you have been locked out of your system because you forgot your pass- word or set the CMOS incorrectly , follow the instructions below . 1. Power off the system 2. Set jumper JP2 to pins 2 and 3 3. W ait for 2 seconds, then return jumper JP2 to pins 1 and 2. 4. Power on the system again. By following this proce[...]

http://www .tyan.com 20 Chapter 2 Board Installation to the board s functionalitiy may be increased. This header should be left untouched. 1-L Hardware Reset Switch Connector Installation The Reset switch on your case s display panel provides you with the Hard- ware Reset function, which is the same as power on/off. The system will do a cold [...]

S1857 T rinity 371 21 Flash EEPROM The Trinity 371 uses flash memory to store BIOS firmware. It can be updated as new versions of the BIOS become available. Y ou can upgrade your BIOS easily using the flash utility (see page 68). 2. Mounting the Motherboard in the Chassis Follow the instructions provided by the case manufacturer for proper installa[...]

http://www .tyan.com 22 Chapter 2 Board Installation Figure 2-5 T o install your DIMMs, line your module up so that the pins fit into the slot. There is only one way that your DIMM can fit properly . Make sure that the short row of pins is lined up with the short gap in the DIMM slot. Figure 2-5 shows how to sit the DIMM into its slot. T o insert t[...]

S1857 T rinity 371 23 Figure 2-6 The Trinity 371 uses a 64-bit data path from memory to CPU and can accommo- date up to 768MB (1.5GB for VIA) of SDRAM. The 168-pin DIMMs (Dual In- line Memory Modules) must be of the 3.3V , unbuffer ed variety . The position of the notch in the SDRAM key position will tell you whether or not a DIMM is unbuffered (se[...]

http://www .tyan.com 24 Chapter 2 Board Installation Some details of memory installation:  At least one unbuf fered DIMM must be installed for the system to POST .  The mainboard supports 32MB, 64MB, 128MB SDRAM; and supports 256MB registered SDRAM DIMM modules, but not in combination with non-registered modules.  PC-100 DIMM is required i[...]

S1857 T rinity 371 25 INST A L L 4. Installing the CPU and Cooling Fan Socket 370 type Celeron processors (300 through 533MHz) and Pentium II/III can be used on the Trinity 371. Please refer to page 17 for the correct CPU jumper settings for your CPU. Remember:  The CPU is a sensitive electronic component and it can easily be damaged by static e[...]

http://www .tyan.com 26 Figure 2-9a Figure 2-9b Figure 2-10 Chapter 2 Board Installation Currently , two types of cooling mechanisms are produced for Pentium II proces- sors: active (figure 2-9a) and passive (figure 2-9b). These two types of cooling methods essentially perform the same function. The active cooler is equipped with a cooling fan and [...]

S1857 T rinity 371 27 T o attach the retention module, place the motherboard on a flat surface. Locate the key pin on one end of the CPU slot on the board. Then carefully line up the key notch on the retention module with the key pin on the CPU slot(the key pin on the CPU slot indicates the correct orientation of the CPU) See Figure 2- 11 on the pr[...]

http://www .tyan.com 28 Figure 2-16 secure module here Line up the retention brace with the holes provided on the motherboard. At the same time, make sure the CPU is lined up with the CPU slot. Lower the CPU onto the motherboard. The mountings on the retention brace should fit through the holes of the motherboard and the CPU should fit into the slo[...]

S1857 T rinity 371 29 If you have an active cooler , you will also need to connect the CPU s cooling fan cable to the cooling fan power connector on the board. Locate the cooling fan connector (e.g. F AN1) on the motherboard. Plug the CPU s cooling fan cable into the cooling fan connector on the board. There will be a plastic clip assembly si[...]

http://www .tyan.com 30 Chapter 2 Onboard Resource Settings Figure 2-18 Pin 1 Some symptoms of incorrectly installed HDDs are:  Hard disk drives are not auto-detected: may be a Master/Slave problem or a bad IDE cable.Contact your vendor .  Hard Disk Drive Fail message at bootup: may be a bad cable or lack of power going to the drive.  No v[...]

S1857 T rinity 371 31 INST A L L Connecting Floppy Drives Pin 1 on the floppy cable is usually denoted by a red or colored stripe down one side of the cable (see Figure 2-20 below). Most of the current floppy drives on the market require that the colored stripe be positioned so that it is right next to the power connector . In most cases, there wil[...]

http://www .tyan.com 32 Chapter 2 Onboard Resource Settings Figure 2-22 Figure 2-21 Refer to Figure 2-29 for a detailed anatomy of the floppy cable. Remember , you can only have 2 floppy drives connected at any given time. The color stripe on the cable should face toward the top of your chassis, or toward the battery on the motherboard. Please refe[...]

S1857 T rinity 371 33 ONBOARD INST AL L onboard power connector . Figure 2-21 (previous page) shows an A TX power connector . When plugging in the power connector , make sure that the plastic clip on the power connector is aligned with the plastic tab on the onboard connector (see Figure 2-22 previous page). Make certain that you do not miss any pi[...]

http://www .tyan.com 34 Chapter 2 Onboard Resource Settings Figure 2-23 Figure 2-24 installation. However , if you do encounter any problems, have a qualified professional install your cards for you or contact your card manufacturer . Remember , always read the manuals and installation notes that come with the adapter cards. They contain important [...]

S1857 T rinity 371 35 ONBOARD INST A L L Connecting Com and Printer Ports W arning: When plugging in your keyboard and mouse, or when plugging anything into a serial or Com port, make sure that the power is off. Connecting these devices and ports while the power is on is called hot plugging, and may damage your system. Figure 2-25 at the top [...]

http://www .tyan.com 36 Chapter 3 BIOS Configuration chapter 3 The AMIBIOS Setup screen is shown below . AMI BIOS EASY SETUP UTILITY Ver.1.16 (c)1998 American Megatrends, Inc. All Rights Reserved Main Advanced Security Exit System Date Fri Jan 1 1999 Setup Help System Time 12:55:37 Month: Jan - De c Floppy Drive A 1.44 MB 3½ Day: 01 - 31 Floppy Dr[...]

S1857 T rinity 371 37 BIOS Y ou can select a Setup option by using the following keyboard keys: The pages which follow contain explanations of the settings for the AMIBIOS Setup menus. Drawings have been included for ease of reference. Overall, the AMIBIOS Setup program is easy to use, and fairly intuitive. Note that the graphics in the manual are [...]

http://www .tyan.com 38 Chapter 3 BIOS Configuration System Date/Time Y ou can type the date and time in directly , or select the portion of the date or time that you want to modify and adjust it using the ↑ ↓ cursor keys. The clock runs on a 24-hour cycle (i.e. 1:00 PM is 13:00). Floppy Drive A: and B: Move the cursor to these fields via the a[...]

S1857 T rinity 371 39 BIOS IDE Device Configuration: T o have the BIOS autodetect the IDE drive, select Auto. Otherwise, you may choose one of the 46 drive types offered, or enter the parameters yourself (see Entering Drive Parameters on the next page). Consult the table below to see how to configure various drive types yourself. LBA/Large Mode: Th[...]

http://www .tyan.com 40 Chapter 3 BIOS Configuration Fast Programmed I/O Modes: Programmed Input/Output is a method of transmitting data between devices that uses the system s CPU as part of the data path. There are 6 modes - 5 with their own transmission speed and 1 auto mode. T o use modes 3 and 4, you must be using an Enhanced IDE drive. 32bi[...]

S1857 T rinity 371 41 BIOS Auto-Detect Hard Disks This option lets the system detect your hard disk(s) automatically for your convenience. Boot Sector Virus Protection The available settings for this option are Enable and Disable. Default Settings Every option in AMIBIOS Setup contains two default values: a Fail-Safe default and the Opt[...]

http://www .tyan.com 42 Chapter 3 BIOS Configuration Advanced CMOS Setup The Advanced Setup options included in the AMIBIOS Setup for the Trinity 371 are described in this chapter . Select Advanced Setup from the AMIBIOS Setup main menu to display the Advanced Setup options. Advanced CMOS Setup Default Settings Chart S e tti ng O ption O ptim al D [...]

S1857 T rinity 371 43 Settings Chart (Continued) Advanced Setup Quick Boot Set this option to Enabled to instruct AMIBIOS to boot quickly when the computer is powered on. This option replaces the old Above 1 MB Memory T est Advanced Setup option. The settings are: g n i t t e Sn o i t p i r c s e D d e l b a s i D . y r o m e m m e t s y s l l a s [...]

http://www .tyan.com 44 Chapter 3 BIOS Configuration Pri/Sec Master/Slave ARMD Emulated as A T API Removable Media Disks (e.g. ZIP drives) are hybrid drives. They are removable, and can be used as floppy drives, but also have great capacity and so are sometimes used as hard drives. These four options ensure that, if you have an ARMD attached as a m[...]

S1857 T rinity 371 45 Management and Reporting T echnologies) protocol for reporting server system information over a network. Enabling this feature allows you to back up your data when your hard disk is about to fail. The settings are Enabled or Disabled. Boot Up Num-Lock Set this option to Off to turn the Num Lock key off when the computer is boo[...]

http://www .tyan.com 46 Chapter 3 BIOS Configuration Cache Bus ECC When Enabled, this option permits ECC error checking on the L2 cache bus. This ensures that cached data is not improperly altered. The settings are Enabled or Disabled. Default Primary Video This option sets the primary video card as either AGP (Accelerated Graphics Port) card or a [...]

S1857 T rinity 371 47 Chipset Setup Choose Chipset Setup on the AMIBIOS Setup main menu. All Chipset Setup options are then displayed. AMIBIOS Setup can be customized. AMIBIOS Setup can be customized via AMIBCP . See the AMIBIOS Utilities Guide for additional information. Advanced Chipset Setup Default Settings Chart S e tti ng O pti on O pti m al [...]

http://www .tyan.com 48 Chapter 3 BIOS Configuration Settings Chart (continued) * Setting option not selectable. USB Function Set this option to Enabled to enable USB (Universal Serial Bus) support. The settings are Enabled or Disabled. S e tti ng O pti o n O pti m a l D e fau lt F ai l -S afe D e fa ult D R A M R e f res h R at e 1 5. 6 us 15. 6 u[...]

S1857 T rinity 371 49 USB KB/Mouse Legacy Support Set this option to Enabled to enable support for older keyboards and mouse devices if the USB Function option is set to Enabled. The settings are Enabled or Disabled. Port 64/60 Emulation Setting this option to Enabled allows a USB keyboard to act like a legacy keyboard. If this option is not Enable[...]

http://www .tyan.com 50 Chapter 3 BIOS Configuration PCI1 to PCI0 Access Set this option to Enabled to enable access between two different PCI buses (PCI1 and PCI0). The settings are Enabled or Disabled. Method of Memory Detection This option determines how your system will detect the type of system memory you have installed. Options are Auto+SPD o[...]

S1857 T rinity 371 51 Graphics Aperture Size This option specifies the amount of system memory that can be used by the Accelerated Graphics Port (AGP). The settings are 4 MB, 8 MB, 16 MB, 32 MB, 64 MB, 128 MB, or 256 MB. Search for MDA Resources Set this option to Y es to let AMIBIOS search for MDA resources. The settings are Y es or No. AGP Multi-[...]

http://www .tyan.com 52 Chapter 3 BIOS Configuration USB Passive Release Set this option to Enabled to enable passive release for USB. The settings are Enabled or Disabled. PIIX4 Passive Release Set this option to Enabled to enable passive release for the Intel PIIX4e chip. This option must be Enabled to provide PCI 2.1 compliance. The settings are[...]

S1857 T rinity 371 53 Power Management Setup The AMIBIOS Setup options described in this section are selected by choosing Power Management Setup from the AMIBIOS Setup main menu. Power Management Setup Default Settings Chart → ← AMI BIOS EASY SETUP UTILITY Ver.1.16 (c)1998 American Megatrends, Inc. All Rights Reserved Advanced Advanced CMOS Set[...]

http://www .tyan.com 54 Chapter 3 BIOS Configuration * Setting option not selectable. ACPI A wa re O/S Set this option to Y es to enable Advanced Configuration and Power Interface (ACPI) BIOS for an ACPI-aware operating system. Power Management/APM Set this option to Enabled to enable the chipset power management and APM (Advanced Power Management)[...]

S1857 T rinity 371 55 monitor enters when AMIBIOS places it in a power saving state after the specified period of display inactivity has expired. The settings are Off, Stand By , or Suspend. Video Power Down Mode This option specifies the power state that the video subsystem enters when AMIBIOS places it in a power saving state after the specified [...]

http://www .tyan.com 56 Chapter 3 BIOS Configuration Slow Clock Ratio This option specifies the speed at which the system clock runs in the Standby Mode power saving state. The settings are expressed as a percentage of the normal CPU clock speed. The settings are 0-12.5%, 12.5%-25%, 25%-37.5%, 37.5%-50%, 50%-62.5%, 62.5%-75%, or 75-87.5%. Display A[...]

S1857 T rinity 371 57 R TC W ake-up If Enabled, this option allows you to set an hour and minute for the system to wake up. The next two fields allow you to choose the wake up time. Note that the time fields will not be available if this option is set to Disabled. In order for this wake up function to work, the system must have been brought up at l[...]

http://www .tyan.com 58 Chapter 3 BIOS Configuration Plug and Play Setup Default Settings Chart * Setting option is not selectable S e tti ng O ption O pti m al D e fa ult F a i l-S afe D e fau lt P lug and P lay A ware O/ S Y es Y es P C I Lat enc y Ti m er (P C I Cl o c k s ) 64 64 P C I VGA P ale t t e Sn o o p D is abl ed D i s abled A ll o cat[...]

S1857 T rinity 371 59 Plug and Play A war e O/S Set this option to Y es to inform AMIBIOS that the operating system can handle plug and Play (PnP) devices. The settings are No or Y es. PCI Latency Timer (PCI Clocks) This option specifies the latency timings (in PCI clocks) for PCI devices installed in the PCI expansion slots. The settings are 32, 6[...]

http://www .tyan.com 60 Chapter 3 BIOS Configuration OffBoard PCI IDE Primary IRQ This option specifies the PCI interrupt used by the primary IDE channel on the offboard PCI IDE controller . The settings are Disabled, Hardwired, INT A, INTB, INTC, or INTD. Offboard PCI IDE Secondary IRQ This option specifies the PCI interrupt used by the secondary [...]

S1857 T rinity 371 61 Reserved Memory Address This option specifies the beginning address (in hex) of the reserved memory area. The specified ROM memory area is reserved for use by legacy ISA adapter cards. This option does not appear if the Reserved Memory Size option is set to Disabled. The settings are C0000, C4000, C8000, CC000, D0000, D4000, D[...]

http://www .tyan.com 62 Chapter 3 BIOS Configuration Peripheral Setup Peripheral Setup options are displayed by choosing Peripheral Setup from the AMIBIOS Setup main menu. All Peripheral Setup options are described here. Peripheral Setup Default Settings Chart → ← AMI BIOS EASY SETUP UTILITY Ver.1.16 (c)1998 American Megatrends, Inc. All Rights[...]

S1857 T rinity 371 63 Settings Chart (Continued) * Setting Option not selectable Power Interruption The settings are Enabled or Disabled. Over clock W arning Message When enabled, this option sends a warning message if the CPU is overclocked. The settings are Enabled or Disabled. Keyboard W ake-up Function This option allows for system power-on via[...]

http://www .tyan.com 64 Chapter 3 BIOS Configuration Onboard Serial Port1 This option specifies the base I/O port address of serial port 1. The settings are Auto, Disabled, 3F8h, 2F8h, 3E8h, or 2E8h. Onboard Serial Port2 This option specifies the base I/O port address of serial port 2. The settings are Auto, Disabled, 3F8h, 2F8h, 3E8h, or 2E8h. Ser[...]

S1857 T rinity 371 65 Parallel Port Mode This option specifies the parallel port mode. The settings are: EPP V ersion This option specifies the Enhanced Parallel Port specification version number that is used in the system. This option only appears if the Parallel Port Mode option is set to EPP . The settings are 1.7 or 1.9. V ersion 1.9 is common [...]

http://www .tyan.com 66 Supervisor and User Security Y ou can limit access to the Setup Program or to the system using the Supervi- sor and User password options (the Supervisor password gives you access to the Setup Program and the system; the User password, only to the system). Note that you must create a supervisor password before you create a u[...]

S1857 T rinity 371 67 password, select the Supervisor Security option. Y ou will be asked to enter the current password. After you do so, you will be prompted to enter the new password. In either the Supervisor or User Security options, pressing <Enter> once when asked for a new password, and a second time when asked to confirm the new passwo[...]

http://www .tyan.com 68 Flash Writer Utility The AMI Flash W riter Utility is now included in the AMIBIOS (S1857-B & S1857A-B) and so it is simpler to upgrade the BIOS of your mainboard. The system BIOS is stored on a flash EEPROM ROM chip on the mainboard which can be erased and reprogrammed by following the directions below . 1. From the DOS [...]

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http://www .tyan.com 70 Chapter 4 System Resources chapter 4 System Resources Beep Codes Fatal errors, which halt the boot process, are communicated through a series of audible beeps. If AMIBIOS POST can initialize the system video display , it displays the error message. Displayed error messages, in most cases, allow the system to continue to boot[...]

S1857 T rinity 371 71 SYSTEM T roubleshooting System Pr oblems If the computer beeps... then... 1, 2, or 3 times... reseat the memory SIMMs or DIPs. If the system still beeps, replace the memory . 6 times... reseat the keyboard controller chip. If it still beeps, replace the keyboard controller . If it still beeps, try a different keyboard, or repl[...]

http://www .tyan.com 72 Chapter 4 System Resources Displayed Error Messages If an error occurs after the system display has been initialized, the error message will be displayed as follows: ERROR Message Line 1 ERROR Message Line 2 Press <F1> to continue and the system will halt. The system will not halt if the W ait for <F1> If A ny Er[...]

S1857 T rinity 371 73 e g a s s e M r o r r En o i t a n a l p x E e r u l i a f e v i r d : D. e v i r d e h t e c a l p e R . : D e v i r d k s i d d r a h m o r f e s n o p s e r o N e r u l i a F t o o B e t t e k s i D e s U . m e t s y s e h t t o o b o t d e s u e b t o n n a c : A e v i r d n i e t t e k s i d t o o b e h T . s n o i t c u [...]

http://www .tyan.com 74 ACPI ( A dvanced C onfiguration and P ower I nterface) is a power management specification that allows the operating system to control the amount of power distributed to the computer  s devices. Devices not in use can be turned off, reducing unnecessary power expenditure. AGP ( A ccelerated G raphics P ort) is a PCI-based[...]

S1857 T rinity 371 75 Bandwidth refers to carrying capacity . The greater the bandwidth, the more data the bus, phone line, or other electrical path, can carry . Greater bandwidth, then, also results in greater speed. A BBS ( B ulletin B oard S ystem) is a computer system with a number of modems hooked up to it which acts as a center for users to p[...]

http://www .tyan.com 76 cached. However , only 512KB of this memory will be in the cache at any given moment. Any main memory above 512MB could never be cached. Closed and open jumpers Jumpers and jumper pins are active when they are On or Closed, and inactive when they are Off or Open. CMOS C omplementary M etal- O xide S emiconductors are chips t[...]

S1857 T rinity 371 77 data, it will be at the same spot, or one nearby . EEPROM Electrically Erasable Programmable ROM, also called Flash BIOS, is a ROM chip which can, unlike normal ROM, be updated. This allows you to keep up with changes in the BIOS programs without having to buy a new chip. TY A N s BIOS updates can be found at http://www .ty[...]

http://www .tyan.com 78 IRQ An Interrupt Request is an electronic request that runs from a hardware device to the CPU. The interrupt controller assigns priorities to incoming requests and delivers them to the CPU. It is important that there is only one device hooked up to each IRQ line; doubling up devices on IRQ lines can lock up your system. Happ[...]

S1857 T rinity 371 79 Pipeline burst SRAM is a fast secondary cache. It is used as a secondary cache because SRAM is slower than SDRAM, but usually lar ger . Data is cached first to the faster primary cache, and then, when the primary cache is full, to the slower secondary cache. Pipelining improves system performance by allowing the CPU to begin e[...]

http://www .tyan.com 80 is transmitted in serial form, one bit after another). SIMM S ingle I n-line M emory M odules are the most common form of RAM. They must be installed in pairs, and do not have the carrying capacity or the speed of DIMMs. SIMM bank/socket SIMM sockets are the physical slots into which you stick SIMM modules. A pair of SIMM so[...]

S1857 T rinity 371 81 Appendix 2 Retention Module Installation On both sides of the SECC2 CPU reside the lower tabs of the aluminum heat sink (see Figure A below). These tabs should snap into the retention module. Currently , the retention module recommended for securing the SECC2 CPU is included in the motherboard package. The retention brace cons[...]

http://www .tyan.com 82 Line up the pegs of the retention brace with the holes provided on the motherboard. Secure the retention brace by pressing firmly on the pins until they lock into the motherboard.(Figure B) Line up the CPU with the slot and slide CPU into the module from the top until you here a click. (See Figure C). The end result should l[...]

S1857 T rinity 371 83 Figure D above shows a properly installed SECC2 CPU using the retention module. Note the direction of the CPU fan and the way in which the cable is connect Remove CPU Release the CPU from the retention module by gently bending the two ends of the retention module away from the CPU. W ith the module out of the way , pull the CP[...]

http://www .tyan.com 84 Figure E T op Clip Side Braces Figure G* Installing SECC2 CPUs - Option 2 Another method to secure an SECC2 CPU is by using the Universal Retention Module (also provided by T yan). The universal retention module is designed to accommodate most versions of the Pentium Celeron CPUs. Included in this solution is an overhead cli[...]

S1857 T rinity 371 85 side braces. Make sure the tab of the overhead clip is oriented towards the same side of the CPU fan (see Figure I below). Removing CPU - Removal of the CPU is basically the reverse order of the installation steps. First remove the overhead clip. Y ou need to push BOTH side lock tabs (see Figure I above) towards the center of [...]

http://www .tyan.com 86 Award BIOS Configuration BIOS 2 Introduction to Setup This manual describes the A ward BIOS Setup program. The Setup program lets you modify basic system configuration settings. The settings are then stored in a dedicated battery-backed memory , called CMOS RAM, that retains the information when the power is turned off. The [...]

S1857 T rinity 371 87 the process of checking out the system and configuring it through the power- on self test (POST). When these preliminaries are finished, the BIOS seeks an operating system on one of the data storage devices (hard drive, floppy drive, etc.). The BIOS launches the operating system and hands control of system operations to it. Du[...]

http://www .tyan.com 88 Y ou can invoke this override by immediately pressing <Insert> when you restart your computer . Y ou can restart by either using the ON/OFF switch, the RESET button or by pressing <Ctrl>, <Alt> and <Delete> at the same time. The best advice is to alter only settings that you thoroughly understand. In [...]

S1857 T rinity 371 89 Setup V ariations Not all systems have the same Setup. While the basic look and function of the Setup program remains the same for all systems, the appearance of your Setup screens may differ from the screens shown here. Each system design and chipset combination require custom configurations. In addition, the final appearance[...]

http://www .tyan.com 90 Standard CMOS Setup Options in the original PC A T -compatible BIOS. BIOS Features Setup A ward Software enhanced BIOS options. Chipset Features Setup Options specific to your system chipset. Power Management Setup Advanced Power Management (APM) options. PnP/PCI Configuration Plug and Play standard and PCI Local Bus configu[...]

S1857 T rinity 371 91 Exit Without Saving Abandon all changes and exit Setup. Standard CMOS Setup In the Standard CMOS menu you can set the system clock and calendar , record disk drive parameters and the video subsystem type, and select the type of ROM PCI/ISA BIOS (2A5LET59) STANDARD CMOS SETUP AWARD SOFTWARE, INC. Date (mm:dd:yy) : Fri, Jul 10 1[...]

http://www .tyan.com 92 HARD DISKS The BIOS supports up to four IDE drives. This section does not show information about other IDE devices, such as a CD-ROM drive, or about other hard drive types, such as SCSI drives. Note: W e recommend that you select type auto for all drives. The BIOS can automatically detect the specifications and optimal opera[...]

S1857 T rinity 371 93 Drive A, Drive B Select the correct specifications for the diskette drive(s) installed in the computer . Video Select the type of primary video subsystem in your computer . The BIOS usually detects the correct video type automatically . The BIOS supports a secondary video subsystem, but you do not select it in Setup. Halt On D[...]

http://www .tyan.com 94 Memory Y ou cannot change any values in the Memory fields; they are only for your information. The fields show the total installed random access memory (RAM) and amounts allocated to base memory , extended memory , and other (high) memory . RAM is counted in kilobytes (KB: approximately one thousand bytes) and megabytes (MB:[...]

S1857 T rinity 371 95 ROM PCI/ISA BIOS (2A5LET59) BIOS FEATURES SETUP AWARD SOFTWARE, INC. Virus Warning : Disabled Video BIOS Shadow : Enabled CPU Internal Cache : Enabled C8000-CBFFF Shadow : Disabled External Cache : Enabled CC000-CFFFF Shadow : Disabled CPU L2 Cache ECC Checking : Disabled D0000-D3FFF Shadow : Disabled Quick Power On Self Test [...]

http://www .tyan.com 96 Settings Chart (Continued) V irus W arning When enabled, you receive a warning message if a program (specifically , a virus) attempts to write to the boot sector or the partition table of the hard disk drive. Y ou should then run an anti-virus program. Keep in mind that this feature protects only the boot sector , not the en[...]

S1857 T rinity 371 97 Swap Floppy Drive This field is effective only in systems with two floppy drives. Selecting Enabled assigns physical drive B to logical drive A, and physical drive A to logical drive B. Boot Up Floppy Seek When Enabled, the BIOS tests (seeks) floppy drives to determine whether they have 40 or 80 tracks. Only 360-KB floppy driv[...]

http://www .tyan.com 98 T ypematic Delay (Msec) When the typematic rate setting is enabled, you can select a typematic delay (the delay before key strokes begin to repeat) of 250, 500, 750 or 1000 millisec- onds. Security Option If you have set a password, select whether the password is required every time the System boots, or only when you enter S[...]

S1857 T rinity 371 99 Chipset Features Setup This section describes features of the Intel 440BX chipset. Advanced Options The parameters in this screen are for system designers, service personnel, and technically competent users only . Do not reset these values unless you understand the consequences of your changes. Note: This chapter describes all[...]

http://www .tyan.com 100 Chipset Features Setup - Default Settings Chart Bank 0/1, 2/3, 4/5 DRAM Timing The system board designer must select the proper value for these fields, according to the specifications of the installed DRAM chips. Turbo mode reduces CAS access time by 1 clock tick. SDRAM Cycle Length This field sets the CAS latency timing. D[...]

S1857 T rinity 371 101 Concurrent PCI/Host Allows access of multiple PCI devices simultaneously by the CPU. System BIOS Cacheable If Enabled, results in better system performance by permitting caching of the system BIOS ROM at F0000h-FFFFFh. Any program which tries to write to this memory area, however , may cause a system error . Video RAM Cacheab[...]

http://www .tyan.com 102 Power Management Setup Note: This chapter describes all fields offered by A ward Software in this screen. Y our system board designer may omit or modify some fields. Power Management Setup - Default Settings Chart Settings Chart (Continued) ROM PCI/ISA BIOS (2A5LET5A) POWER MANAGEMENT SETUP AWARD SOFTWARE, INC. ACPI Functio[...]

S1857 T rinity 371 103 ACPI Function Enable or disable Advanced Configuration Power Interface. Power Management This option allows you to select the type (or degree) of power saving for Doze, Standby , and Suspend modes. See the section PM T imers for a brief descrip- tion of each mode. This table describes each power management mode: PM Control by[...]

http://www .tyan.com 104 Video Off Option Selects the power-saving modes during which the monitor goes blank. Video Off Method Determines the manner in which the monitor is blanked. The Blank Screen option will let the system BIOS blank the screen when disabling video. V/H sync+Blank will allow the system BIOS to turn off the V-SYNC and H-SYNC sign[...]

S1857 T rinity 371 105 Doze Mode After the selected period of system inactivity (1 minute to 1 hour), the CPU clock runs at slower speed while all other devices still operate at full speed. Suspend Mode After the selected period of system inactivity (1 minute to 1 hour), all devices except the CPU shut off. ** PM Events ** A power management (PM) e[...]

http://www .tyan.com 106 system by sending an interrupt request. When the system is in Suspend mode, IRQ activity can cause a Primary or Secondary wake-up. When Primary INTR is On, the IRQs in the above fields can be configured as Primary , Secondary , or Disabled. IRQ n The following is a list of IRQs (Interrupt Request Lines) assigned to common s[...]

S1857 T rinity 371 107 PnP/PCI Configuration Note: This chapter describes all fields offered by A ward Software in this screen. Y our system board designer may omit or modify some fields. PnP / PCI Configuration - Default Settings Chart ROM PCI/ISA BIOS (2A5LET5A) PNP/PCI CONFIGURATION AWARD SOFTWARE, INC. PNP OS Installed : No Resources Controlled[...]

http://www .tyan.com 108 PNP OS Installed Select Y es if the system operating environment is Plug-and-Play aware (e.g., W indows 95). Resources Controlled By The Plug and Play EliteBIOS can automatically configure all the boot and Plug and Play-compatible devices. If you select Auto, all the interrupt request (IRQ) and DMA assignment fields disappe[...]

S1857 T rinity 371 109 PCI Dynamic Bursting When Enabled, every write transaction goes to the write buffer . Burstable transactions then burst on the PCI bus; nonburstable transactions do not. PCI Master 0 WS Write When this field is Enabled, writes to the PCI bus are executed with zero wait states. PCI Delay T ransaction The chipset has an embedde[...]

http://www .tyan.com 110 Integrated Peripherals Note: This chapter describes all fields offered by A ward Software in this screen. Y our system board designer may omit or modify some fields. Integrated Peripherals - Default Settings Chart OnChip IDE Channel 0 : Enabled UART2 Mode : Normal OnChip IDE Channel 1 : Enabled IDE Prefetch Mode : Disabled [...]

S1857 T rinity 371 111 Settings Chart (Continued) On-Chip PCI IDE First/Second Channel This chipset contains a PCI IDE interface with support for two IDE channels. Select Enabled to activate the primary and/or secondary onboard IDE interface. Select Disabled to deactivate this interface, if you install a primary and/or secondary add-in IDE interfac[...]

http://www .tyan.com 112 button, password, hotkey , or power button. Note: If you use the keyboard password option to power on your system, the power button will be disabled. KBC Input Clock Allows you to adjust the keyboard clock signal. Onboard FDC Controller Select Enabled if your system has a floppy disk controller (FDC) installed on the system[...]

S1857 T rinity 371 113 User Password When you select this function, a message appears at the center of the screen: ENTER P ASSWORD: T ype the password, up to eight characters, and press Enter . T yping a password clears any previously entered password from CMOS memory . Now the message changes: CONFIRM P ASSWORD: Again, type the password and press [...]

http://www .tyan.com 114 Note: Y ou should always clear your CMOS after flashing a BIOS. This will clear out any stray settings from your old BIOS which may have been carried over from the flashing process. Most problems encountered after flashing a BIOS will be solved by this simple procedure (see Hardware CMOS & Password Reset, page 41). T o [...]

S1857 T rinity 371 115 T ype in the whole file name, e.g. A61A W10.BIN, and confirm that you want to program the BIOS. The utility will then Blank, Erase, and Program the flash memory on the mainboard with the new BIOS file. Y ou should choose Y es to save the original system BIOS to a floppy diskette before you program the [...]

http://www .tyan.com 116 Notice for the USA Compliance Information Statement (Declaration of Conformity Procedure) DoC FCC Part 15: This Device complies with Part 15 of the FCC Rules. Operation is subject to the following conditions: 1) this device may not cause harmful interference, and 2) this device must accept any interference received includin[...]

S1857 T rinity 371 Jumper Settings Quick Reference See pages 15-20 for details on Jumpers. 1-A. CPU Speed Settings (Jumpers JP10, JP1 1, JP12, JP13) Panel Connector Settings (Jumper J16) BUS Speed Settings (FS0, FS1) Clear CMOS and Reset Password (Jumper JP2) M u ltip lie r B u s S p e e d ( set Jm pr s on boar d) (s e t in BI OS) 100 350 133* 466 [...]