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Asus A8N-SLI manual

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Table of contents for the manual

  • Page 1

    Motherboard A8N-SLI[...]

  • Page 2

    ii ii ii ii ii Copyright © 2005 ASUSTeK COMPUTER INC. All Rights Reserved. Copyright © 2005 ASUSTeK COMPUTER INC. All Rights Reserved. Copyright © 2005 ASUSTeK COMPUTER INC. All Rights Reserved. Copyright © 2005 ASUSTeK COMPUTER INC. All Rights Reserved. Copyright © 2005 ASUSTeK COMPUTER INC. All Rights Reserved. No part of this manual, includ[...]

  • Page 3

    iii iii iii iii iii Contents Notices ................................................................................................. v Safety information .............................................................................. vi A8N-SLI specifications summary ....................................................... vii Chapter 1: Chapter 1:[...]

  • Page 4

    iv iv iv iv iv Contents Chapter 2: Chapter 2: Chapter 2: Chapter 2: Chapter 2: BIOS setup BIOS setup BIOS setup BIOS setup BIOS setup 2.1 Managing and updating your BIOS ........................................ 2-2 2.1.1 Creating a bootable floppy disk .............................. 2-2 2.1.2 AwardBIOS Flash Utility ................................[...]

  • Page 5

    v v v v v Notices Federal Communications Commission Statement Federal Communications Commission Statement Federal Communications Commission Statement Federal Communications Commission Statement Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: • Th[...]

  • Page 6

    vi vi vi vi vi Safety information Electrical safety Electrical safety Electrical safety Electrical safety Electrical safety • To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the device[...]

  • Page 7

    vii vii vii vii vii A8N-SLI specifications summary CPU CPU CPU CPU CPU Chipset Chipset Chipset Chipset Chipset Front Side Bus Front Side Bus Front Side Bus Front Side Bus Front Side Bus Memory Memory Memory Memory Memory Expansion slots Expansion slots Expansion slots Expansion slots Expansion slots Storage Storage Storage Storage Storage Audio Aud[...]

  • Page 8

    viii viii viii viii viii 1 x PS/2 mouse port 1 x Parallel port 1 x IEEE 1394a port 1 x LAN (RJ-45) port 4 x USB 2.0 ports 1 x Coaxial S/PDIF Out port 1 x Optical S/PDIF Out port 1 x PS/2 keyboard port 8-Channel audio ports 1 x Floppy disk drive connector 2 x IDE connectors 4 x Serial ATA connectors 1 x CPU fan connector 2 x Chassis fan connectors 1[...]

  • Page 9

    Hardware information This chapter lists the hardware setup procedures that you have to perform when installing system components. It includes description of the jumpers and connectors on the motherboard.[...]

  • Page 10

    1-2 1-2 1-2 1-2 1-2 Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information 1.1 Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord from[...]

  • Page 11

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 1-3 1-3 1-3 1-3 1-3 A8N-SLI 1.2 Motherboard overview Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Refer to the chassis documentation before installing the motherboard. Make sure to unplug the power cord before[...]

  • Page 12

    1-4 1-4 1-4 1-4 1-4 Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information 1.2.3 1.2.3 1.2.3 1.2.3 1.2.3 Motherboard layout Motherboard layout Motherboard layout Motherboard layout Motherboard layout Bottom:Mic In Center:Line Out T op:Line In Be[...]

  • Page 13

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 1-5 1-5 1-5 1-5 1-5 1.2.4 1.2.4 1.2.4 1.2.4 1.2.4 Layout contents Layout contents Layout contents Layout contents Layout contents Slots Slots Slots Slots Slots Page Page Page Page Page 1. DDR DIMM slots 1-12 2. PCI slots 1-16 3. PCI Express x16 slot 1-16 4. PCI Express x1 slot 1-16 Ju[...]

  • Page 14

    1-6 1-6 1-6 1-6 1-6 Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Internal connectors Internal connectors Internal connectors Internal connectors Internal connectors Page Page Page Page Page 1. Floppy disk drive connector (34-1 pin FLOP[...]

  • Page 15

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 1-7 1-7 1-7 1-7 1-7 1.3.1 1.3.1 1.3.1 1.3.1 1.3.1 Installing the CPU Installing the CPU Installing the CPU Installing the CPU Installing the CPU To install a CPU: 1. Locate the CPU socket on the motherboard. 1.3 Central Processing Unit (CPU) The motherboard comes with a surface mount [...]

  • Page 16

    1-8 1-8 1-8 1-8 1-8 Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information 3. Position the CPU above the socket such that the CPU corner with the gold triangle matches the socket corner with a small triangle. 4. Carefully insert the CPU into the[...]

  • Page 17

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 1-9 1-9 1-9 1-9 1-9 1.3.2 1.3.2 1.3.2 1.3.2 1.3.2 Installing the heatsink and fan Installing the heatsink and fan Installing the heatsink and fan Installing the heatsink and fan Installing the heatsink and fan The AMD Athlon™ 64FX or AMD Athlon™ 64 processor requires a specially d[...]

  • Page 18

    1-10 1-10 1-10 1-10 1-10 Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information 2. Attach one end of the retention bracket to the retention module base. 3. Align the other end of the retention bracket (near the retention bracket lock) to the ret[...]

  • Page 19

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 1-11 1-11 1-11 1-11 1-11 5. When the fan and heatsink assembly is in place, connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN. Do not forget to connect the CPU fan connector! Hardware monitoring errors can occur if you fail to plug this connector. A8N-SLI ?[...]

  • Page 20

    1-12 1-12 1-12 1-12 1-12 Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information 1.4 System memory 1.4.1 1.4.1 1.4.1 1.4.1 1.4.1 Overview Overview Overview Overview Overview The motherboard comes with four 184-pin Double Data Rate (DDR) Dual Inli[...]

  • Page 21

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 1-13 1-13 1-13 1-13 1-13 1.4.4 1.4.4 1.4.4 1.4.4 1.4.4 Removing a DIMM Removing a DIMM Removing a DIMM Removing a DIMM Removing a DIMM To remove a DIMM: 1. Simultaneously press the retaining clips outward to unlock the DIMM. 2. Remove the DIMM from the socket. Support the DIMM lightly[...]

  • Page 22

    1-14 1-14 1-14 1-14 1-14 Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information 1.5 Expansion slots In the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that they support. [...]

  • Page 23

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 1-15 1-15 1-15 1-15 1-15 Standard interrupt assignments Standard interrupt assignments Standard interrupt assignments Standard interrupt assignments Standard interrupt assignments IRQ IRQ IRQ IRQ IRQ Priority Priority Priority Priority Priority Standard Function Standard Function Stan[...]

  • Page 24

    1-16 1-16 1-16 1-16 1-16 Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information 1.5.3 1.5.3 1.5.3 1.5.3 1.5.3 PCI slots PCI slots PCI slots PCI slots PCI slots The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards [...]

  • Page 25

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 1-17 1-17 1-17 1-17 1-17 1.6 Jumper Clear RTC RAM (CLRTC) Clear RTC RAM (CLRTC) Clear RTC RAM (CLRTC) Clear RTC RAM (CLRTC) Clear RTC RAM (CLRTC) This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parame[...]

  • Page 26

    1-18 1-18 1-18 1-18 1-18 Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information 1.7 Connectors 1.7.1 1.7.1 1.7.1 1.7.1 1.7.1 Rear panel connectors Rear panel connectors Rear panel connectors Rear panel connectors Rear panel connectors 10 3 4 9 5[...]

  • Page 27

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 1-19 1-19 1-19 1-19 1-19 10. 10. 10. 10. 10. USB 2.0 ports 3 and 4. USB 2.0 ports 3 and 4. USB 2.0 ports 3 and 4. USB 2.0 ports 3 and 4. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices. 11. 11. 11. 11. 11. USB 2.0 po[...]

  • Page 28

    1-20 1-20 1-20 1-20 1-20 Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information The Pin 5 on the connector is removed to prevent incorrect cable connection when using an FDD cable with a covered Pin 5. 1.7.2 1.7.2 1.7.2 1.7.2 1.7.2 Internal conn[...]

  • Page 29

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 1-21 1-21 1-21 1-21 1-21 3. 3. 3. 3. 3. IDE connectors (40-1 pin PRI_IDE, SEC_IDE) IDE connectors (40-1 pin PRI_IDE, SEC_IDE) IDE connectors (40-1 pin PRI_IDE, SEC_IDE) IDE connectors (40-1 pin PRI_IDE, SEC_IDE) IDE connectors (40-1 pin PRI_IDE, SEC_IDE) These connectors are for Ultra[...]

  • Page 30

    1-22 1-22 1-22 1-22 1-22 Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Connector Connector Connector Connector Connector Color Color Color Color Color Setting Setting Setting Setting Setting Use Use Use Use Use SATA1, SATA2 SATA1, SATA2[...]

  • Page 31

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 1-23 1-23 1-23 1-23 1-23 5. 5. 5. 5. 5. CPU, chassis, power, and chipset fan connectors (3-pin CPU, chassis, power, and chipset fan connectors (3-pin CPU, chassis, power, and chipset fan connectors (3-pin CPU, chassis, power, and chipset fan connectors (3-pin CPU, chassis, power, and [...]

  • Page 32

    1-24 1-24 1-24 1-24 1-24 Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Never connect a 1394 cable 1394 cable 1394 cable 1394 cable 1394 cable t o the USB connectors. Doing so will damage the motherboard! 6. 6. 6. 6. 6. USB connectors (1[...]

  • Page 33

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 1-25 1-25 1-25 1-25 1-25 8. 8. 8. 8. 8. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V1, ATX power connectors (24-pin EATXPWR, 4-pin ATX12V1, ATX power connectors (24-pin EATXPWR, 4-pin ATX12V1, ATX power connectors (24-pin EATXPWR, 4-pin ATX12V1, ATX power connectors (24-pin EATX[...]

  • Page 34

    1-26 1-26 1-26 1-26 1-26 Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information 10. 10. 10. 10. 10. Front panel audio connector (10-1 pin FP_AUDIO) Front panel audio connector (10-1 pin FP_AUDIO) Front panel audio connector (10-1 pin FP_AUDIO) F[...]

  • Page 35

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 1-27 1-27 1-27 1-27 1-27 11. 11. 11. 11. 11. Chassis intrusion connector (4-1 pin CHASSIS) Chassis intrusion connector (4-1 pin CHASSIS) Chassis intrusion connector (4-1 pin CHASSIS) Chassis intrusion connector (4-1 pin CHASSIS) Chassis intrusion connector (4-1 pin CHASSIS) This conne[...]

  • Page 36

    1-28 1-28 1-28 1-28 1-28 Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information Chapter 1: Hardware information 12. 12. 12. 12. 12. System panel connector (10-1 pin F_PANEL) System panel connector (10-1 pin F_PANEL) System panel connector (10-1 pin F_PANEL) System panel connec[...]

  • Page 37

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-1 2-1 2-1 2-1 2-1 2 BIOS setup This chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided.[...]

  • Page 38

    2-2 2-2 2-2 2-2 2-2 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup 2.1 Managing and updating your BIOS The following utilities allow you to manage and update the motherboard Basic Input/Output System (BIOS) setup. 1. AwardBIOS Flash Utility AwardBIOS Flash Utility AwardBIOS Flash Utilit[...]

  • Page 39

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-3 2-3 2-3 2-3 2-3 2.1.2 2.1.2 2.1.2 2.1.2 2.1.2 AwardBIOS Flash Utility AwardBIOS Flash Utility AwardBIOS Flash Utility AwardBIOS Flash Utility AwardBIOS Flash Utility The Basic Input/Output System (BIOS) can be updated using the built-in Flash Memory Writer utility or using a boota[...]

  • Page 40

    2-4 2-4 2-4 2-4 2-4 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup 4. When the A:> A:> A:> A:> A : > appears, replace the bootable floppy disk with the floppy disk containing the new BIOS file and the Award BIOS Flash Utility. 5. At the prompt, type awdflash awdflash awdf[...]

  • Page 41

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-5 2-5 2-5 2-5 2-5 8. The utility verifies the BIOS file in the floppy disk and starts flashing the BIOS file. Do not turn off or reset the system during the flashing process! AwardBIOS Flash Utility for ASUS V1.09 (C) Phoenix Technologies Ltd. All Rights Reserved Warning: Don’t Tu[...]

  • Page 42

    2-6 2-6 2-6 2-6 2-6 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup 3. Type a filename for the current BIOS file in the Save current BIOS Save current BIOS Save current BIOS Save current BIOS Save current BIOS as as as as a s field, then press <Enter>. 4. The utility saves the curr[...]

  • Page 43

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-7 2-7 2-7 2-7 2-7 2 2 2 2 2 .1.3 .1.3 .1.3 .1.3 .1.3 ASUS CrashFree BIOS 2 utility ASUS CrashFree BIOS 2 utility ASUS CrashFree BIOS 2 utility ASUS CrashFree BIOS 2 utility ASUS CrashFree BIOS 2 utility The ASUS CrashFree BIOS is an auto recovery tool that allows you to restore the [...]

  • Page 44

    2-8 2-8 2-8 2-8 2-8 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup 2.2 BIOS Setup program This motherboard supports a programmable Flash ROM that you can update using the provided utility described in section “2.1 Managing and updating your BIOS.” Use the BIOS Setup program when you[...]

  • Page 45

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-9 2-9 2-9 2-9 2-9 2.2.1 2.2.1 2.2.1 2.2.1 2.2.1 BIOS menu bar BIOS menu bar BIOS menu bar BIOS menu bar BIOS menu bar The top of the screen has a menu bar with the following selections: MAIN MAIN MAIN MAIN MAIN Use this menu to make changes to the basic system configuration. ADVANCE[...]

  • Page 46

    2-10 2-10 2-10 2-10 2-10 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup General help General help General help General help General help In addition to the Item Specific Help window, the BIOS setup program also provides a General Help screen. You may launch this screen from any menu by [...]

  • Page 47

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-11 2-11 2-11 2-11 2-11 2.3.1 2.3.1 2.3.1 2.3.1 2.3.1 System Time [xx:xx:xx] System Time [xx:xx:xx] System Time [xx:xx:xx] System Time [xx:xx:xx] System Time [xx:xx:xx] Sets the system to the time that you specify (usually the current time). The format is hour, minute, second. Valid [...]

  • Page 48

    2-12 2-12 2-12 2-12 2-12 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup 2.3.5 2.3.5 2.3.5 2.3.5 2.3.5 Primary and Secondary IDE Master/Slave Primary and Secondary IDE Master/Slave Primary and Secondary IDE Master/Slave Primary and Secondary IDE Master/Slave Primary and Secondary IDE Mas[...]

  • Page 49

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-13 2-13 2-13 2-13 2-13 Capacity Capacity Capacity Capacity Capacity Displays the auto-detected hard disk capacity. This item is not configurable. Cylinder Cylinder Cylinder Cylinder Cylinder Shows the number of the hard disk cylinders. This item is not configurable. Head Head Head H[...]

  • Page 50

    2-14 2-14 2-14 2-14 2-14 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup First SATA Master x Auto Acoustic Management Disabled Extended IDE Drive [Auto] Access Mode [Auto] Capacity 0 MB Cylinder 0 Head 0 Precomp 0 Landing Zone 0 Sector 0 2.3.6 2.3.6 2.3.6 2.3.6 2.3.6 First, Second, Third[...]

  • Page 51

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-15 2-15 2-15 2-15 2-15 Capacity Capacity Capacity Capacity Capacity Displays the auto-detected hard disk capacity. This item is not configurable. Cylinder Cylinder Cylinder Cylinder Cylinder Shows the number of the hard disk cylinders. This item is not configurable. Head Head Head H[...]

  • Page 52

    2-16 2-16 2-16 2-16 2-16 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup 2.4 Advanced Menu The Advanced menu items allow you to change the settings for the CPU and other system devices. CPU Configuration Chipset PCIPnP Onboard Device Configuration SLI Configuration Take caution when chan[...]

  • Page 53

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-17 2-17 2-17 2-17 2-17 2.4.1 2.4.1 2.4.1 2.4.1 2.4.1 CPU configuration CPU configuration CPU configuration CPU configuration CPU configuration The items in this menu show the CPU-related information auto-detected by the BIOS. CPU Configuration CPU Type AMD Athlon(tm) 64 Processor 34[...]

  • Page 54

    2-18 2-18 2-18 2-18 2-18 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup DRAM Configuration DRAM Configuration DRAM Configuration DRAM Configuration DRAM Configuration The items in this sub-menu show the DRAM-related information that the BIOS auto-detects. DRAM Configuration Timing Mode [...]

  • Page 55

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-19 2-19 2-19 2-19 2-19 Timing Mode [Auto] Sets the timing mode. Configuration options: [Auto] [Manual] Memclock index value [200Mhz] Sets the DRAM frequency. Configuration options: [100Mhz] [133Mhz] [166Mhz] [200Mhz] CAS# latency (Tcl) [2.5] Sets the CAS# latency. Configuration opti[...]

  • Page 56

    2-20 2-20 2-20 2-20 2-20 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup 2.4.3 2.4.3 2.4.3 2.4.3 2.4.3 PCIPnP PCIPnP PCIPnP PCIPnP PCIPnP The items in this menu show the PCIPnP configuration settings. Select an item then press <Enter> to display a pop-up menu with the configuration[...]

  • Page 57

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-21 2-21 2-21 2-21 2-21 IRQ-xx assigned to When set to [PCI Device], the specific IRQ is free for use of PCI/PnP devices. When set to [Reserved], the IRQ is reserved for legacy ISA devices. Configuration options: [PCI Device] [Reserved] PCI/VGA Palette Snoop [Disabled] PCI/VGA Palett[...]

  • Page 58

    2-22 2-22 2-22 2-22 2-22 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup 2.4.4 2.4.4 2.4.4 2.4.4 2.4.4 Onboard device configuration Onboard device configuration Onboard device configuration Onboard device configuration Onboard device configuration The items in this menu show the onboard [...]

  • Page 59

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-23 2-23 2-23 2-23 2-23 IDE Function Setup IDE Function Setup IDE Function Setup IDE Function Setup IDE Function Setup This sub-menu contains IDE function-related items. Select an item then press <Enter> to edit. IDE Function Setup OnChip Channel0 [Enabled] OnChip IDE Channel1 [...]

  • Page 60

    2-24 2-24 2-24 2-24 2-24 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Serial-ATA 2 [Enabled] Allows you to enable or disable the Serial ATA 2 port. Configuration options: [Disabled] [Enabled] SATA2 DMA transfer [Enabled] Allows you to enable or disable the SATA2 DMA transfer access. C[...]

  • Page 61

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-25 2-25 2-25 2-25 2-25 First, Second, Third, Fourth SATA Master RAID [Disabled] Enables or disables the RAID function of the first, second, third or fourth SATA master drive. Configuration options: [Enabled] [Disabled] USB configuration USB configuration USB configuration USB config[...]

  • Page 62

    2-26 2-26 2-26 2-26 2-26 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Onboard LAN [Enabled] Onboard LAN [Enabled] Onboard LAN [Enabled] Onboard LAN [Enabled] Onboard LAN [Enabled] Allows you to enable or disable the onboard LAN controller. Keep the default [Enabled] if you wish to use[...]

  • Page 63

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-27 2-27 2-27 2-27 2-27 SLI configuration SLI configuration SLI configuration SLI configuration SLI configuration SLI Configuration EZ-Plug Warning [Enabled] Select Menu Item Specific Help EZ-Plug Warning [Enabled] EZ-Plug Warning [Enabled] EZ-Plug Warning [Enabled] EZ-Plug Warning [[...]

  • Page 64

    2-28 2-28 2-28 2-28 2-28 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup 2.5 Power Menu The Power menu allows you to reduce power consumption. This feature turns off the video display and shuts down the hard disk after a period of inactivity. ACPI Suspend Type [S3(STR)] ACPI Suspend Type[...]

  • Page 65

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-29 2-29 2-29 2-29 2-29 2.5.1 2.5.1 2.5.1 2.5.1 2.5.1 APM configuration APM configuration APM configuration APM configuration APM configuration This menu shows the Advanced Power Management (APM) configuration settings. Select an item then press <Enter> to display a pop-up menu[...]

  • Page 66

    2-30 2-30 2-30 2-30 2-30 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Power-On By Alarm [Disabled] Power-On By Alarm [Disabled] Power-On By Alarm [Disabled] Power-On By Alarm [Disabled] Power-On By Alarm [Disabled] Allows you to enable or disable RTC to generate a wake event. When thi[...]

  • Page 67

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-31 2-31 2-31 2-31 2-31 2.5.2 2.5.2 2.5.2 2.5.2 2.5.2 Hardware monitor Hardware monitor Hardware monitor Hardware monitor Hardware monitor This menu shows the hardware monitor settings auto-detected by the BIOS. Select Menu Item Specific Help Press [Enter] to enable or disable. Hardw[...]

  • Page 68

    2-32 2-32 2-32 2-32 2-32 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup 2.6 Boot Menu This Boot menu items allow you to change the system boot settings. Select an item then press <Enter> to display a pop-up menu with the configuration options. Boot Device Priority Hard Drisk Drive[...]

  • Page 69

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-33 2-33 2-33 2-33 2-33 2.6.1 2.6.1 2.6.1 2.6.1 2.6.1 Boot Device Priority Boot Device Priority Boot Device Priority Boot Device Priority Boot Device Priority Boot Device Priority 1st Boot Device [CDROM] 2nd Boot Device [Removable] 3rd Boot Device [Hard Disk] 4th Boot Device [Disable[...]

  • Page 70

    2-34 2-34 2-34 2-34 2-34 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Case Open Warning [Enabled] Case Open Warning [Enabled] Case Open Warning [Enabled] Case Open Warning [Enabled] Case Open Warning [Enabled] Enables or disables the chassis open status feature. Setting to Enabled, cl[...]

  • Page 71

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-35 2-35 2-35 2-35 2-35 Full Screen Logo [Enabled] Full Screen Logo [Enabled] Full Screen Logo [Enabled] Full Screen Logo [Enabled] Full Screen Logo [Enabled] Allows you to enable or disable the full screen logo display feature. Configuration options: [Disabled] [Enabled] Set this it[...]

  • Page 72

    2-36 2-36 2-36 2-36 2-36 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Supervisor Password [Clear] Supervisor Password [Clear] Supervisor Password [Clear] Supervisor Password [Clear] Supervisor Password [Clear] User Password [Clear] User Password [Clear] User Password [Clear] User Pass[...]

  • Page 73

    ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI ASUS A8N-SLI 2-37 2-37 2-37 2-37 2-37 Forgot the password? If you forget your password, you can clear it by erasing the CMOS Real Time Clock (RTC) RAM. The RAM data containing the password information is powered by the onboard button cell battery. If you need to erase the CMOS RAM, refer to sectio[...]

  • Page 74

    2-38 2-38 2-38 2-38 2-38 Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Chapter 2: BIOS setup Exit & Discard Changes Exit & Discard Changes Exit & Discard Changes Exit & Discard Changes Exit & Discard Changes Select this option only if you do not want to save the changes that you made to [...]