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Diamond Systems Low-Power PC/104 CPU Board With ZFx86 Processor manual

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Table of contents for the manual

  • Page 1

    PROMETHEUS-LC™ Model PR-Z16-LC-ST Low-Power PC/104 CPU Board With ZFx86 Processor User Manual V1.0  Copyright 2003 Diamond Systems Corporation 8430-D Central Ave. Newark, CA 94560 Tel (510) 456-7800 www.diamondsystems.com[...]

  • Page 2

    Prometheus-LC CPU User Manual V1.0 Page 2 PROMETHEUS-LC Low-Power PC/104 CPU Board with ZFx86 Processor TABLE OF CONTENTS 1. DESCRIPTION ........................................................................................................ 4 2. FEATURES ..............................................................................................[...]

  • Page 3

    Prometheus-LC CPU User Manual V1.0 Page 3 TABLE OF CONTENTS (CONTINUED) 12. I/O PANEL BOARD .............................................................................................. 28 12.1 Description ................................................................................................................... 2 8 12.2 Panel Board I/O Co[...]

  • Page 4

    Prometheus-LC CPU User Manual V1.0 Page 4 PROMETHEUS-LC Low-Power PC/104 CPU Board with ZFx86 Processor 1. DESCRIPTION Prometheus-LC is a PC/104 CPU board that offers low cost, low power consumption, and extended temperature operation. It includes 4 seri al ports and memory soldered onto the board. DOS and application files can be stored directly i[...]

  • Page 5

    Prometheus-LC CPU User Manual V1.0 Page 5 2. FEATURES System Features Processor Section ♦ 486-DX2 processor running at 100MHz with co-processor ♦ Pentium class platform including burst-m ode SDR AM and PCI-based IDE controll er and USB ♦ 16MB SDRAM system memory ♦ 50MHz memory bus for improved performance ♦ 1MB 16-bit-wide flash memory fo[...]

  • Page 6

    Prometheus-LC CPU User Manual V1.0 Page 6 3. PROMETHEUS-LC BOARD DRAWING I/O Connectors J1 PC/104 8-bit bus connector J2 PC/104 16-bit bus connector J3 Main user I/O connector J4 Not present J5 Dual USB ports J7 Floppy drive connector J8 IDE drive connector J11 Input power connector J12 Switched output pow er connector J14 Not present J15 Auxiliary[...]

  • Page 7

    Prometheus-LC CPU User Manual V1.0 Page 7 4. I/O HEADERS All cables mentioned in this chapter are included in Diamond Systems’ cable kit C-PRZ-KIT . These cables are further described in chapter 14. Some cables are also available individually. 4.1 Main I/O Connector – J3 An 80-pin high-density connector is provided for access to the standard us[...]

  • Page 8

    Prometheus-LC CPU User Manual V1.0 Page 8 Notes on J3 Signals COM1 – COM4 The signals on these pins are RS-232 level signals and may be connected directly to RS-232 devices. The pinout of these signals is designed to allow a 9-pin male IDC connector to be crimped onto the corresponding ribbon cable wires to provide the correct pinout for a PC ser[...]

  • Page 9

    Prometheus-LC CPU User Manual V1.0 Page 9 4.2 Input Power – J11 1 +5V In 2 Ground 3 Ground 4 +12V In 5 Ground 6 +5V In 7 -12V In 8 -5V In 9 ATX Control Input power for Prometheus-LC may be supplied ei ther through J11 from an external supply or directly through the PC/104 bus power pins if a PC/104 power supply is used with the CPU. Prometheus-LC[...]

  • Page 10

    Prometheus-LC CPU User Manual V1.0 Page 10 4.3 Output Power – J12 1 +5V Out 2 Ground 3 Ground 4 +12V Out J12 provides switched power for use with exte rnal drives. If ATX is enabled, the power is switched on and off with the ATX input switch. If ATX is not enabled, the power is switched on and off in conjunction with the external power. Diamond S[...]

  • Page 11

    Prometheus-LC CPU User Manual V1.0 Page 11 4.5 Auxiliary Serial Port Connector – J15 1 RX COM1 Pin 2 on DB9 #1 2 TX COM1 Pin 3 on DB9 #1 3 Ground Pin 5 on DB9 #1 4 RX COM2 Pin 2 on DB9 #2 5 TX COM2 Pin 3 on DB9 #2 6 Ground Pin 5 on DB9 #2 This 6-pin header is provided for auxiliary access to serial ports 1 and 2 with signals RX, TX, and Ground fo[...]

  • Page 12

    Prometheus-LC CPU User Manual V1.0 Page 12 4.7 Floppy Drive – J7 Ground 1 2 High Density Ground 3 4 Unused Ground 5 6 Unused Ground 7 8 Index Ground 9 10 Motor Enable Ground 11 12 Drive Select B Ground 13 14 Drive Select A Ground 15 16 Motor Enable Ground 17 18 Direction Ground 19 20 Step Ground 21 22 Write Data Ground 23 24 Write Enable Ground 2[...]

  • Page 13

    Prometheus-LC CPU User Manual V1.0 Page 13 4.9 PC/104 Bus Connectors The PC/104 bus is essentially identical to the ISA Bus except for the physical design. It specifies two pin and socket connectors for the bus signals. A 64-pin header J1 incorporates the 62-pin 8- bit bus connector signals, and a 40-pin header J2 incorporates the 36-pin 16-bit bus[...]

  • Page 14

    Prometheus-LC CPU User Manual V1.0 Page 14 5. JUMPER CONFIGURATION Refer to the Prometheus-LC board drawing on page 6 for locations of the configuration items mentioned here. 5.1 Sy stem Configuration – J10 Jumper block J10 is used for configuration of IRQ levels, wait states, ATX power control, and CMOS RAM. Note: The A/D features described here[...]

  • Page 15

    Prometheus-LC CPU User Manual V1.0 Page 15 The different configurations for J10 are shown below. Each illustration shows only the jumper of interest. An asterisk (*) indicates the default setting. 5.2 Watchdog Timer & Sy stem Recovery – J6 J6 is used to configure the watchdog timer and enable system recovery (failsafe mode) in case of BIOS co[...]

  • Page 16

    Prometheus-LC CPU User Manual V1.0 Page 16 6. SYSTEM FEATURES 6.1 System Resources The table below lists the default system resources utilized by the circuits on Prometheus. Device A ddress (Hex) IRQ DMA Serial Port COM1 I/O 3F8-3FF 4 - Serial Port COM2 I/O 2F8 – 2FF 3 - Serial Port COM3 I/O 3E8 – 3EF 4 - Serial Port COM4 I/O 2E8 – 2EF 3 - Pa[...]

  • Page 17

    Prometheus-LC CPU User Manual V1.0 Page 17 6.3 Console Redirection to a Serial Port Prometheus-LC provides keyboard and terminal emulat ion by means of console redirection, or serial console. This involves redirecting ke yboard input and character output to a serial port (console redirection). A serial port on another PC can be connected to the ser[...]

  • Page 18

    Prometheus-LC CPU User Manual V1.0 Page 18 6.4 Watchdog Timer Prometheus-LC contains a watchdog timer circuit consisting of two programmable timers, WD1 and WD2, cascaded together. The input to the circ uit is WDI, and the output is WDO. Both signals appear on I/O connector WDI may be triggered in hardware or in software. A special “early” vers[...]

  • Page 19

    Prometheus-LC CPU User Manual V1.0 Page 19 6.5 Failsafe Mode / BIOS Recovery The ZFx86 failsafe feature consists of a small command interpreter built in to the ZFx86 CPU chip. The ZFx86 contains a ROM with the command interpreter as well as an 8KB RAM. It may be used to power up the system and download the BIOS to recover from situations in which t[...]

  • Page 20

    Prometheus-LC CPU User Manual V1.0 Page 20 7. BIOS FEATURES 7.1 BIOS Settings Prometheus-LC uses a BIOS from Phoenix Technologi es modified to support the cu stom featu res of the ZF Micro ZFx86 chip and the Prometheus-LC board. Some of these features are described here. To enter the BIOS during system start up (POST – power on self-test), press [...]

  • Page 21

    Prometheus-LC CPU User Manual V1.0 Page 21 7.2 BIOS Download / Recovery Because the BIOS is stored in reprogrammable Flas h memory, it is possible that the BIOS could be accidentally erased when trying to write other files into the Flash. To recover from this situ ation the CPU chip on Prometheus-LC contains a special failsafe Boot-Up ROM (BUR) tha[...]

  • Page 22

    Prometheus-LC CPU User Manual V1.0 Page 22 8. DISK-ON-BOARD™ FLA SH FILE STORAGE Prometheus-LC supports the use of its on-board fl ash memory as a disk drive. About 1.45Mbytes of the total 2MB capacity is available for this f unction. This valuable feature lets you run a DOS operating system right from the flash without havi ng to use any externa[...]

  • Page 23

    Prometheus-LC CPU User Manual V1.0 Page 23 Known Limitations • RFD (onboard flash drive) is not compatible with DOS expanded memory configuration in EMM386.EXE. Use the NOEMS switch appended to the end of the EMM386 line in your config.sys to bypass EMS. Example line in config.sys: device=c:DOSEMM386.exe NOEMS • The onboard flash chip has a l[...]

  • Page 24

    Prometheus-LC CPU User Manual V1.0 Page 24 9. SYSTEM I/O 9.1 Serial Ports Prometheus-LC contains 4 serial ports. Each por t is capable of transmitting at speeds of up to 115.2Kbaud. Ports COM1 and COM2 are built into the ZF Micro CPU chip. They consist of standard 16550 type UARTs with 16-byte FIFOs. Ports COM3 and COM4 are derived from an Exar 16C[...]

  • Page 25

    Prometheus-LC CPU User Manual V1.0 Page 25 10. NOTES ON OPERATING SYSTEMS AND BOOTING PROCEDURES 10.1 Installing an OS From a Floppy Drive onto a Flashdisk Module 1. Make sure the flashdisk module jumper is configured for Master. 2. Install the flashdisk module onto the CPU. See installation instructions on page 27. 3. Power up your system and ente[...]

  • Page 26

    Prometheus-LC CPU User Manual V1.0 Page 26 10.2 Installing an OS from a Hard Disk onto a Flashdisk Module To install an operating system such as DOS or VxWorks from a hard drive onto a flashdisk module, follow the procedure below. The process requires a floppy drive with a bootable DOS diskette, a hard disk with the operating system, the flashdisk [...]

  • Page 27

    Prometheus-LC CPU User Manual V1.0 Page 27 11. FLASHDISK MODULE Prom etheus-LC is designed to accommodate an opti onal flashdisk module. This module contains 32MB to 256MB of solid state non-volatile memory that operates like an IDE drive without requiring any additional driver software support. Model Capacity FD-32-XT 32MB FD-64-XT 64MB FD-128-XT [...]

  • Page 28

    Prometheus-LC CPU User Manual V1.0 Page 28 12. I/O PANEL BOARD 12.1 Description An I/O panel board accessory, model no. PNL-Z32-E , is available to convert all I/O headers on Prometheus-LC to industry-standard connectors. Using this panel board eliminates all internal cables, resulting in increased ruggedness and quicker assembly. In addition a sta[...]

  • Page 29

    Prometheus-LC CPU User Manual V1.0 Page 29 12.2 Panel Board I/O Connectors The I/O connectors below are located on the top side of the board and are for connection to external equipment. Location Type Description J2 DB-9M Serial port COM1 J4 DB-9M Serial port COM2 J6 DB-9M Serial port COM3 J7 DB-9M Serial port COM4 J10 DB-25F Parallel port LPT1 J11[...]

  • Page 30

    Prometheus-LC CPU User Manual V1.0 Page 30 12.5 Panel Board Power Connections Prometheus-LC requires only +5V for operation. The panel boad is simply a connector board and requires no power. Make sure that the power supply used has enough current capacity to drive your system. The Prometheus-LC CPU requires up to 1.1A. If you have a disk drive or o[...]

  • Page 31

    Prometheus-LC CPU User Manual V1.0 Page 31 1 Power Switch 2 Power Input 3 +12V In 4 +5V In 5 Ground 6 Power Input 7 Shutdown 8 +5V In 9 Ground J13 pinout (user connection) 12.6 Speaker and Miscellaneous Connector J3 is used for optional connection of an auxiliary speaker or control switches. The panel board contains a miniature speaker which is ena[...]

  • Page 32

    Prometheus-LC CPU User Manual V1.0 Page 32 12.7 Watchdog Timer J9 may be used to connect an external watchdog ti mer circuit to the CPU. For watchdog timer programming information, see page 18 and the ZFx86 Training Manual included in the Documents folder of the Prometheus-LC CD. 1 Ground 2 Watchdog In 3 Watchdog Out J9 Pinout 12.8 Installation The[...]

  • Page 33

    Prometheus-LC CPU User Manual V1.0 Page 33 13. FLASH DISK PROGRAMMER BOARD The Flash Disk Programmer Board accessory model no. ACC-IDEEXT may be used for several purposes. Its primary purpose is to enable t he simultaneous connection of both a flashdisk module and a standard IDE hard drive or CD-ROM drive to allow file transfers to/from the flashdi[...]

  • Page 34

    Prometheus-LC CPU User Manual V1.0 Page 34 14. I/O CABLES When the panel I/O board PNL-Z32 is used, no cabli ng or wiring is required to operate the CPU (unless you want to connect to an external IDE drive or floppy drive). However for custom installations as well as development, Diamond Systems offers a cable kit no. C-PRZ-KIT with 9 cables to con[...]

  • Page 35

    Prometheus-LC CPU User Manual V1.0 Page 35 15. VGA ACCESSORY BOARD The Prometheus-LC development kit ships with a PC/104 VGA module from Arcom Control Systems, model no. AIM-104-VGA-CRT-OEM . The Diamond Systems part no. for this board is ACC-VGA-02 . The VGA board has several configuration jumpers, LK1 – LK3. Their functions are described in the[...]

  • Page 36

    Prometheus-LC CPU User Manual V1.0 Page 36 16. MOUNTING PROMETHEUS-LC ON A BASEBOARD Prometheus-LC is designed to allow installation upside down onto a custom baseboard. T he CPU board may be thought of as a “macro-component” when used in this way. All the key I/O headers on the board face up and are at an even height, allowing the board to be [...]

  • Page 37

    Prometheus-LC CPU User Manual V1.0 Page 37[...]

  • Page 38

    Prometheus-LC CPU User Manual V1.0 Page 38 17. PC/104 MECHANICAL DRAWING The following drawing is from the PC/104 speci fication. This document may be downloaded from www.pc104.org or from www.diamondsystems.com/support/techliterature.[...]