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PROMETHEUS-LC™

1. 16 6 3 Console Redirection to a Serial 17 6 4 Watchdog iv ei cette nce aloes 18 6 5 Failsafe Mode BIOS Recovery sse enne nnne tenens 19 6 6 Flash Memo 19 6 7 Battery 19 6 8 19 7 BIOS 20 7 1 BIOS SOUS niea ad 20 7 2 BIOS Download 21 8 DISK ON BOARD FLASH FILE 22 de 24 9 1 Serial POMS 24 9 2 Paralel POWs 24 10 NOTES ON OPERATING SYSTEMS AND BOOTING PROCEDURES 25 10 1 Installing an OS From a Floppy Drive onto a Flashdisk Module 25 10 2 Installing an OS from a Hard Disk onto a Flashdisk Module 26 11 FLASHDISK MODULE P 27 11 2 Config tatiONs 27 11 3 Using the Flashdisk with Another IDE 27 11 4 Power S pply
2. PL5 pin no DB15F Signal 1 1 Red 2 6 Red Return 3 2 Green 4 4 No Function 5 3 Blue 6 7 Green Return 7 9 No Function 8 11 No Function 9 8 Blue Return 10 5 Ground 11 10 Ground 12 13 H Sync 13 12 No Function 14 14 V Sync 15 15 No Function 16 No Wire DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 35 16 MOUNTING PROMETHEUS LC ON BASEBOARD Prometheus LC is designed to allow installation upside down onto a custom baseboard The CPU board 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 turned over and mounted onto a base board A mechanical drawing showing locations of mating connectors on the baseboard is shown on the following page The board to board mounting height for this application is 14mm 551 Spacers for this application can be purchased from many suppliers of metric hardware Standard spacers with metric length will have metric threads for example M3 x 0 5 Diamond Systems can supply a custom designed 14mm aluminum hex male female spacer with 4 40 threads DSC part no 684045 Using the board in this manner eliminates all connecting cables for most applications All connections except IDE floppy drive and switched power output are accessible through the vertical I O headers on the board If you need to use IDE floppy or switched
3. 26 2 lt gt 0 435 0 420 OPTION 1 Stackthrough Bus OPTION 2 Non Stackthrough Bus Page 38 Prometheus LC CPU User Manual V1 0 DIAMOND SYSTEMS CORPORATION
4. Y Y 3 325 IN Q 2 635 PIN Al 8 518 IN ooooaGaocoooaoocoonoaoon 0 015 IN PIN A1 o 9glesceo C000 DT 5 O09 0 0 06 9 0 9 0 OF 0 OC 0 OO 0 0 0000000000400000 0 CENTERLINE 3X 3 668 IN 8 125 IN DIA 4 PLACES PAD DIAMETER 0 250 IN 8 555 IN 8 075 IN 6 100 IN 1 888 4 0 200 IN 2 300 IN 2 458 IN 3 1608 IN 3 128 IN 3 150 IN Be 5 350 IN 0 200 IN 0 200 IN Page 37 Prometheus LC CPU User Manual V1 0 DIAMOND SYSTEMS CORPORATION 17 104 MECHANICAL DRAWING The following drawing is from the PC 104 specification This document may be downloaded from WwwW pc104 org or from www diamondsystems com support techliterature 0 250 DIA PAD 0 500 0 350 0 125 DIA HOLE 3 250 4 050 7 4PLCS 3775 3 450 PRIMARY SIDE 7 VOCONNECTORS MAY OVERHANG 7 REGIONS INCLUDES MATING CONNECTORS 0 100 TYP E 0 500 0 400 0 325 0 300 0 200 4 2 0 500 t 0 0 325 0 250 0 950 1 050 NOTE 1 0 MATING CONNECTORS MAY EXTEND OUTSIDE THESE BOUNDARIES PRIMARY SIDE SECONDARY SIDE 0 025SQ 0 195 _
5. 378 37F 7 3 IDE Controller 1F0 1F7 14 Floppy Controller USB 11 6 2 CPU Chip Selects The ZF Micro CPU chip contains 4 user configurable I O chip selects and 4 user configurable memory chip selects These chip selects are visible in the BIOS setup screens I O chip selects 1 and 2 are used for the two serial ports COM3 and COM4 I O chip selects 0 and 3 are not used Chip Select Function Mode Address Range Size Window Size 0 Not used 1 R W 3E8 3EF 8 bits 8 bytes 2 COM4 R W 2 8 2EF 8 bits 8 bytes 3 Not used B B These chip select settings should not be modified unless you need to change the addresses of one or more of the affected circuits for a special system configuration and are fully aware of the impact of your changes DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 16 6 3 Console Redirection to a Serial Prometheus LC provides keyboard and terminal emulation by means of console redirection or serial console This involves redirecting keyboard input and character output to a serial port console redirection A serial port on another PC can be connected to the serial port on Prometheus LC with a null modem cable and a terminal emulation program such as Hyperterminal can be used to establish the connection The terminal program must be capable of transmitting special characters includin
6. 12 SMEMR DACK6 012 C12 SD9 SA18 A13 B13 IOW DRQ6 D13 C13 SD10 SA17 A14 B14 IOR DACK7 014 C14 011 SA16 15 B15 DACK3 DRQ7 015 C15 012 SA15 A16 B16 DRQ3 5V 016 C16 013 SA14 17 B17 DACK1 MASTER D17 C17 014 SA13 18 B18 DRQ1 Ground 018 C18 015 SA12 A19 B19 Refresh Ground D19 C19 Key pin cut SA11 A20 B20 SYSCLK SA10 A21 B21 IRQ7 5 9 22 B22 IRQ6 SA8 A23 B23 IRQ5 SA7 A24 B24 IRQ4 SA6 A25 B25 IRQ3 SA5 A26 B26 DACK2 SA4 A27 B27 TC SA3 A28 B28 BALE SA2 A29 B29 5V SA1 A30 B30 OSC SAO A31 B31 Ground Ground A32 B32 Ground DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 13 5 JUMPER CONFIGURATION Refer to the Prometheus LC board drawing on page 6 for locations of the configuration items mentioned here 5 1 System 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 are not present on this model and should be ignored ero Wait State ATX Bypass AU IRG a 15 5 4 8 CMOS Battery COMI IRQ A D IRQ Serial Port and A D IRQ Settings COM3 may be set to IRQ4 or IRQ9 COM4 may be set to IRQ3 or IRQ15 In addition it is possible to configure both ports to share IRQ4 or IRQ5 Wait States The ISA bus may be configured for standard wait states or ze
7. Multiple 5V and Ground pins are provided for extra current carrying capacity if needed Each pin is rated at max 15W For the Prometheus LC CPU the panel I O board and a video board is sufficient so 5 and Ground require only a single wire each In this case the first 4 pins may be connected to a standard 4 pin miniature PC power connector if desired For a larger PC 104 stack the total power requirements should be calculated to determine whether additional wires are necessary ATX control enables the 5V and 12V power to be switched on and off with an external momentary switch A short press on the switch will turn on power and holding the switch on for 4 seconds or longer will turn off power Diamond Systems cable no 6981009 mates with J11 It provides 9 color coded wires with stripped and tinned leads for connection to user supplied power sources This cable may also be used with Diamond Systems Jupiter MM series power supplies in vehicle based applications In this configuration the input power is supplied to the Jupiter MM board and the Jupiter MM output power is connected to J11 on the CPU using cable 6981009 When used in this way make sure the two red 5V wires are both connected to the 5V output screw terminal on Jupiter MM DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 9 4 3 Output Power J12 1 5V Out 2 Ground 3 Ground 4 12V Out J12 provides switched
8. 27 continued on next page DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 2 TABLE OF CONTENTS CONTINUED 12 VO PANEL BOARD 22 28 121 proe D 28 12 2 Panel Board Connectors 29 12 3 Panel Board Cables 29 12 4 Panel Board Hardware 29 12 5 Panel Board Power Connections 30 126 Speaker and Miscellaneous 0 31 12 7 32 12 8 32 13 FLASH DISK PROGRAMMER 33 14 WO tiii ANE uate 34 15 ACCESSORY 35 16 MOUNTING PROMETHEUS LC ON A BASEBOARD 36 17 104 MECHANICAL 38 E DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 3 P ROM ETH E U S LC Low Power PC 104 CPU Board with ZFx86 Processor 1 DESCRIPTION Prometheus LC is a PC 104 CPU boar
9. The panel board includes a hardware kit containing spacers of various sizes along with screws and nuts There are three sizes of spacers 7mm 0 276 14mm 0 551 and 0 600 All hardware for assembling the stack and mounting it to the enclosure front panel is 84 40 thread The Pandora enclosure includes an additional hardware kit of 446 32 screws for assembling the front and back panels to the enclosure body Refer to the assembly drawings provided with the panel board for proper assembly of the PC 104 stack and Pandora enclosure The panel board connects to the following headers on the Prometheus LC CPU J3 Main I O J4 Ethernet J5 USB J6 Watchdog timer J11 Input power J14 Data acquisition EA models To install the panel board onto the Prometheus LC CPU board first remove any jumpers on J6 of the CPU upper right corner since these will interfere with the mating header on the bottom of the panel board Insert the four 7mm male female hex spacers into the holes on top of the panel board and fix them in place with the four 14mm female female hex spacers below Then plug the panel board onto the connectors of the CPU board being careful to align all the connectors properly Note that there mating connectors on all 4 edges of the board for the EA analog I O version and connectors on 3 sides for the E no analog I O version When the boards are properly mated the 80 pin high density connectors on the right edges o
10. 12 1 Description 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 standard precut cover plate is available to enable mounting the panel board and CPU in Diamond Systems Pandora enclosure system Pandora comes in several sizes ranging from 1 7 to 10 to accommodate a different number of expansion boards The 1 7 case accommodates only the CPU the panel board and an optional hard drive The 3 0 case accommodates up to 2 additional PC 104 expansion boards Other available standard sizes are 5 7 and 10 Custom sizes and colors may also be available based on order quantity ASSY 810520 J3 0000000 DO000 00000 _ 3 Utility O Jmp 11 to 13 to enable internal spkr Jmp 12 to 14 to disable ATX function 01 POWER SEDE O POWER 426 VGA HSYNC VSYNC 1 to and 2 to 4 for normal sync mp 3 to 5 and 4 to 6 for reverse sync 2001 COM4 DIAMOND SYSTEMS CORP 1 000000000000 J10 009000000 ys Power 14 oC USE oo PNL Z32 E PNL Z32 EA
11. 521 COM4 IRQS 521 ooo00000 IRQ15 321 COMI 1809 DOoOOLLUM _ SR COM amp A D oooooooo _ A D IRQ4 54321 amp A D IRQ4 amp amp A D IRQS Zero Wait State OO aye oo oo oo Ola ole E oo oo oo oo oo oo oo oo oo Clear CMOS RAM Battery Disconnected Backup Battery Enabled In ATX Bypass Out ATA Enabled 5 2 Watchdog Timer amp System Recovery J6 J6 is used to configure the watchdog timer and enable system recovery failsafe mode in case of BIOS corruption This jumper has different dimensions than J10 and J13 and the jumpers are not interchangeable Watchdog timer operation is described in detail on page 18 Failsafe mode operation is described on page 19 DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 15 6 SYSTEM FEATURES 6 1 System Resources The table below lists the default system resources utilized by the circuits on Prometheus Device Address Hex IRQ DMA Serial Port COM1 3F8 3FF 4 Serial COM2 2F8 2FF 3 Serial Port COM3 3E8 3EF 4 Serial Port COM4 2E8 2EF 3 Parallel Port LPT1
12. AFD 3 PDO 4 ERR 5 PD1 6 INIT 7 PD2 8 SLIN 9 PD3 10 Ground 11 PD4 12 Ground 13 14 Ground 15 16 Ground 17 PD7 18 Ground 19 20 Ground 21 BUSY 22 Ground 23 24 Ground 25 SLCT 26 KB 27 KB MS V 28 KB Data 29 KB MS V 30 MS Clk 31 KB MS V 32 MS Data 33 KB MS V 34 Ground 35 Reset 36 ATX Power 37 KB Lock 38 39 40 5V 7 Notes J3 Signals Keyboard Mouse Clk Data V Utilities A 5V Out Speaker Out IDE Drive LED Power LED Utilities B Reset ATX Power KB Lock IR RX IR TX 5V In 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 PC serial port connector DTE The signals on these pins comprise a standard PC parallel port The pinout of these signals is designed to allow a 25 pin female IDC connector to be crimped onto the corresponding ribbon cable wires to provide the correct pinout for a PC parallel port connector These are PS 2 signals for keyboard and mouse Clock pin connects to pin 5 of the PS 2 connector Power pin connects to pin 3 of the PS 2 connector Data pin connects to p
13. DIAMOND SYSTEMS CORPORATION PROMETHEUS LC Model PR Z16 LC ST Low Power PC 104 CPU Board With ZFx86 Processor User Manual V1 0 BENE Copyright 2003 Diamond Systems Corporation 8430 D Central Ave Newark CA 94560 Tel 510 456 7800 www diamondsystems com P RO M ETH E U S LC Low Power PC 104 CPU Board with ZFx86 Processor TABLE OF CONTENTS 1 DESCRIPTION M 4 2 FERTUHES DINAR EE 5 3 PROMETHEUS LC BOARD DRAWING 6 4 TE 02 lcm c 7 4 1 Main Connector J3 7 4 2 lieldao etse 9 4 3 Output Power 412 10 4 4 USB d5 i e nieto 10 4 5 Auxiliary Serial Port Connector 415 11 4 6 Watchdog Failsafe 46 11 4 7 Floppy Dive ct 12 4 8 IDE Dive 48 m 12 4 9 104 Bus Connectors coe 13 5 JUMPER CONFIGURATION rotae tuy uu a psu nnmnnn 14 5 1 System Config ration oie eem et 14 5 2 Watchdog Timer amp System 96 15 6 SYSTEM FEATURES 16 6 1 System 5 a 16 6 2 Chip 5
14. This cable contains a blue positive wire and a black negative wire Connect the blue wire to the screw terminal on the JMM power supply input connector and connect the black wire to the terminal Either J4 or J5 on the JMM board may be used for the power connection J12 is used when the supply voltages are intended to be switched by the ATX circuit on Prometheus In this application the input and output of the power supply are connected to J12 The 5V and 12V are controlled by the ATX function while the 5V and 12V are connected directly to the PC 104 bus pins 12V In 5V In Ground 5V In 5V In 12V In Ground Power Input Ground 10 Shutdown ATX ele fe so J12 pinout to from DC DC power supply DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 30 Power Switch Power Input 12V In 5V In Ground Power Input Shutdown 5V In Ground 413 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 enabled by default To enable this speaker install a jumper across pins 11 and 13 of J3 default setting If a different speaker is desired or if no speaker is desired remove the jumper To connect an auxiliary speaker connect the speaker across pins 7 8 for a speaker wit
15. B Drive Select A Motor Enable Direction Step Write Data Write Enable Track 0 Write Protect Read Data Select Protect Disk Change J7 is a 2x17 pin header It mates with Diamond Systems cable no 6981008 or any standard floppy drive interface cable Up to two floppy drives can be connected The connector furthest away from the others is used to connect to the board The connector at the far end of the cable after the twist is for Drive A and the middle connector is for Drive B 4 8 IDE Drive J8 45V Ground 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 Ground D8 09 010 011 012 013 014 015 Key Not Used Ground Ground Ground Ground Ground Pulled low for 16 bit operation Not Used A2 51 Ground 5V Not Used J8 is a 2x22 44 pin 2mm pitch pin header It mates with Diamond Systems cable no 6981004 and may be used to connect up to 2 IDE drives hard disks CD ROMs or flashdisk modules The 44 pin connector includes power and mates directly with notebook drives and flashdisk modules To use a standard format hard disk or CD ROM drive with a 40 pin connector an adapter PCB such as Diamond Systems ACC IDEEXT is required DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 12 4 9 PC 104 Bus Connectors The PC 104 bus is essentially identical to the ISA Bus ex
16. Nugent P50E 080S TG 3M Robinson Nugent no P50 080S R1 TG DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 8 4 2 Input Power J11 5V In Ground Ground 12V In Ground 5V In 12V In 5V In ATX Control Input power for Prometheus LC may be supplied either through J11 from external supply or directly through the PC 104 bus power pins if a PC 104 power supply is used with the CPU Prometheus LC requires only 5VDC input power to operate All other required voltages are generated on board with miniature switching regulators However since the PC 104 bus includes pins for 5V and 12V these voltages may be supplied through J11 if needed The 5V and 12V voltages are controlled by the ATX power manager switches while 5V and 12V are routed directly to the corresponding pins on PC 104 bus and are not controlled by the ATX function Make sure that the power supply used has enough current capacity to drive your system The Prometheus LC CPU requires up to 1 1A on the 5 line If you have a disk drive or other modules connected you need additional power In particular many disk drives need extra current during startup If your system fails to boot properly or if disk accesses do not work properly the first thing to check is the power supply voltage level Many boot up problems are caused simply by insufficient voltage due to excess current draw on the 5V supply
17. Panel Board for Prometheus l o KOZ A DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 28 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 2 5mm 5VDC input power tip ring J13 DB 9M Multi power connector J14 MD 6 PS 2 mouse connector J15 MD 6 PS 2 keyboard connector J18 RJ 45 Ethernet connector not present J21 IDC 50 Data acquisition connector not present J22 USB A USB connector J23 USB A USB connector J27 DB 15F Video VGA connector passthrough for add on board Panel Board Top Side External Use I O Connectors Additional connectors are on the bottom side and are intended for use with other boards and circuitry inside the enclosure such as a video board or DC DC power supply Location Type Description J3 Pin header Speaker and miscellaneous functions J5 Pin header Power connection to DC DC power supply input J12 Pin header Power connection to from DC DC power supply J25 Pin heade
18. power for use with external 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 Systems cable no 6981006 mates with J12 It provides a standard full size power connector for a hard drive or CD ROM drive and a standard miniature power connector for a floppy drive 4 4 USB 45 Key pin cut 0582 Pwr 0582 Data 0582 Data 0582 Pwr 2 Shield 4 USB1 Pwr 6 USB1 Data 8 USB1 Data 10 USB1 Pwr J5 is a 2x5 pin header It mates with Diamond Systems cable no 6981012 which provides 2 standard USB type A jacks in a panel mount housing DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 10 4 5 Auxiliary Serial Port Connector J15 1 RX 1 Pin 2 on DBO 1 2 TX COM1 Pin on DB9 1 3 Ground Pin 5 DBO 1 4 RX COM2 Pin 2 on DB9 2 5 TX COM2 Pin on DB9 2 6 Ground Pin 5 on DB 2 This 6 pin header is provided for auxiliary access to serial ports 1 and 2 with signals RX TX and Ground for each port This connector may be used in low cost limited I O configurations as alternative to the 80 pin connector J3 Do not use both J15 and the corresponding pins on J3 simultaneously Diamond Systems cable no 6981005 converts the 6 pins to two standard DB9M connectors with industry standard
19. power output you will need to use cables to access the corresponding I O headers The following is a list of conectors that mate with the corresponding vertical mount I O headers on Prometheus Connector on Board Manufacturer Manufacturer Part No J1 Generic 1 dual row pin header 2x32 J2 Generic 1 dual row pin header 2x20 J3 Robinson Nugent P50 080S R1 TG J4 G LINKS PSPH1 1X6GOB11 05 2 3 Samtec ESQ 106 12 G S J5 G LINKS PSPH1 2X5GOB11 05 2 3 Samtec ESQ 105 12 G D J6 G LINKS PSPH1 2X3GOB11 05 2 3 Samtec ESQ 103 12 G D J11 G LINKS PSPH1 1X9GOB11 05 2 3 Samtec ESQ 109 12 G S J14 G LINKS PSPH1 2X25GOB11 05 2 3 Samtec ESQ 125 12 G D Website information G Links Taiwan www g links com tw Samtec www samtec com 3M www 3m com us electronics_mfg interconnects Note The 12 inthe Samtec part numbers above indicates standard insertion force components This may be replaced by 37 for low insertion force components Because of the number and location of the mating headers the effort to remove the Prometheus LC from a mating board is significant and requires careful effort Therefore low insertion force components may be preferred DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 36 Prometheus CPU Base Board Footprint Top View Use this drawing for component placement base board when mounting Prometheus upside dewn onto base board 3 575 IN 3 375 IN
20. 2 counter reaches zero it will unconditionally cause a hardware reset The WD2 timer is provided to give external circuits time to respond to the WDO event before the hardware reset occurs The watchdog timer circuit is programmed via I O registers OCH through 12H Detailed programming information is in the ZFx86 Training Manual included in the Documents folder of the Diamond Systems CD The watchdog timer is supported in the DSC Universal Driver software version 5 1 and later E DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 18 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 the BIOS accidentally becomes corrupted or erased The failsafe feature is used in the factory to program the BIOS in new Prometheus LC boards for the first time To enable the failsafe feature when the panel board is not used install a jumper between pins 1 and 3 of J6 on Prometheus To enable failsafe feature when the panel board is used press the ZFIX button on the panel board while pressing and releasing the Reset button the ZFIX button must be released after the Reset button is released During the next system reset the board will power up to the failsafe boot ROM and provide user throug
21. IDEEXT may be used for several purposes Its primary purpose is to enable the simultaneous connection of both a flashdisk module and a standard IDE hard drive or CD ROM drive to allow file transfers to from the flashdisk This operation is normally done at system setup The board can also be used to enable the simultaneous connection of two drives to the CPU J1 connects to the IDE connector on Prometheus LC with a 44 pin ribbon cable Diamond Systems part no 6981004 Both 40 pin 1 spacing J4 and 44 pin 2mm spacing J3 headers are provided for the external hard drive or CD ROM drive A dedicated connector J2 is provided for the flashdisk module Any two devices may be connected simultaneously using this board with proper master slave jumper configurations on the devices The Flash Disk Programmer Board comes with a 44 wire cable no DSC no 6981004 and a 40 wire cable no DSC no C 40 18 for connection to external drives The flashdisk module is sold separately The 44 pin connector J1 J2 and J3 and mating cable carry power but the 40 pin connector J4 and mating cable do not J5 and J6 on the accessory board may be used to provide power to a 44 pin device attached to the board when the board is attached to a PC via a 40 pin cable These headers are compatible with the floppy drive power connector on a standard PC internal power cable FlashDisk Programmer J1 To CPU J7 IDE Connector J2 FlashDisk Module J3 To IDE In
22. ORY 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 board s documentation For proper operation with Prometheus jumper LK1 must be out The VGA output connector on the Arcom board is 16 pin connector labeled PL5 located on the left edge of the board When used with the Diamond Systems panel board model PNL Z32 E EA this connector connects to the 10 pin VGA input header J25 on the panel board using Diamond Systems cable no 6981013 The pinout of this cable is shown below Each row represents one wire on the cable PL5 PL5 Signal J25 pin no J25 Signal 1 Red 1 Red 2 Red Return 2 Ground 3 Green 3 Green 4 Not connected 4 Ground 5 Blue 5 Blue 6 Green Return 6 Ground 7 Not connected Not connected 8 Not connected 8 PCB shield 9 Blue Return Not connected 10 Ground Not connected 11 Ground Not connected 12 H Sync 7 H Sync 13 Not connected Not connected 14 V Sync 9 V Sync 15 16 Not connected Not connected To connect PL5 directly to a VGA monitor with a high density DB15 connector use the multicolor ribbon cable supplied with the video board This cable has the following pinout
23. See page 14 for serial port IRQ jumper settings 9 2 Parallel Port The parallel port LPT1 is an IEEE 1284 compatible bidirectional port It includes filtering for reduced EMI operation It operates in ECP mode set up in the BIOS The parallel port has the following default configuration Port Mode Address range IRQ DMA LPT1 ECP 378 37F 7 3 The parallel port settings may be modified in the BIOS Select Advanced menu then I O Device Configuration The above four settings may then be modified DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 24 10 NOTES ON OPERATING SYSTEMS AND BOOTING PROCEDURES 10 1 Installing an OS From a Floppy Drive onto a Flashdisk Module Make sure the flashdisk module jumper is configured for Master Install the flashdisk module onto the CPU See installation instructions on page 27 Power up your system and enter the BIOS during startup Go to the Boot screen and change the boot sequence to boot from floppy disk Save the new settings and exit the BIOS The system will now boot to floppy If necessary run FDISK and perform the following steps a Remove all partitions on the flashdisk module b Create a primary DOS partition on the flashdisk module c Make the DOS partition the active partition d Save your changes and exit 7 Boot the system again from the floppy disk 8 Format the flashdisk module using FORMAT 5 9 Copy the operating system fil
24. alled No PCI IRQ Level 1 4 Autoselect for all PCI PNP ISA UMB Region Exclusion Available for all The features on the Power screen are not supported on Prometheus DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 20 7 2 BIOS Download Recovery Because the BIOS is stored in reprogrammable Flash memory it is possible that the BIOS could be accidentally erased when trying to write other files into the Flash To recover from this situation the CPU chip on Prometheus LC contains a special failsafe Boot Up ROM BUR that can be activated on power up A Diamond Systems software utility is provided to enable system recovery by downloading the BIOS to the flash memory through serial port COM1 when the CPU is booted up to the BUR The recovery procedure requires another PC running Windows 95 or Windows 98 This host machine is connected to the Prometheus LC CPU using a null modem serial cable connected to COM on each computer Three files are required on the host PC Zftrm exe Loadbios com and the file containing the BIOS Prm1 rom These files should be in the same directory PC Serial Port End DB 9 Prometheus LC COM1 end Corresponding on J6 2 RX 3 TX 2 TX 3 TX 2 RX 1 RX 5 Ground 5 Ground 3 Ground Null modem cable required pinout To boot up the Prometheus LC CPU to BUR set the jumper on J6 on Prometheus LC to the BUR position If using the Panel I O board pr
25. cept 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 connector signals The additional pins on the PC 104 connectors are used as ground or key pins The female sockets on the top of the board enable stacking another PC 104 board on top of the board while the male pins on the bottom enable the board to plug into another board below it In the pinout figures below the tops correspond to the left edge of the connector when the board is viewed from the primary side side with the CPU chip and the female end of the PC 104 connector and the board is oriented so that the PC 104 connectors are along the bottom edge of the board View from Top of Board J2 PC 104 16 bit bus connector J1 PC 104 8 bit bus connector Ground DO Co Ground IOCHCHK A1 B1 Ground MEMCS16 D1 C1 SBHE SD7 A2 B2 RESET IOCS16 D2 C2 LA23 SD6 B3 5V IRQ10 D3 C3 LA22 SD5 A4 B4 IRQ9 IRQ11 D4 C4 LA21 SD4 5 5 5V IRQ12 D5 C5 LA20 SD3 A6 B6 DRQ2 IRQ15 D6 C6 LA19 SD2 A7 B7 12V IRQ14 D7 C7 LA18 SD1 A8 B8 OWS DACKO 08 C8 LA17 SDO 9 9 12 DRQO D9 C9 MEMR IOCHRDY A10 B10 Key pin cut DACK5 010 C10 MEMW AEN A11 B11 SMEMW DRQ5 011 C11 SD8 SA19 12
26. cludes Power J4 To IDE Needs Power 000000 000000 ASSY 881001 sev ACC IDEEXT FlashDisk Programmer Board DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 33 14 1 CABLES When the panel I O board PNL Z32 is used no cabling 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 connect to all I O headers on the board Some cables are also available separately The mating cable for each I O connector is listed in the chapter on I O Headers starting on page 7 Photo No Cable No Description 2 C PRZ 01 80 wire 2 cable breakout cable assembly with serial parallel PS 2 mouse keyboard power reset speaker amp LED connectors 6 C PRZ 02 6 wire Ethernet cable with panel mount RJ 45 connector 3 C 50 18 50 wire data acquisition cable 5 6981004 44 wire IDE cable for 1 or 2 drives 7 6981005 6 wire auxiliary serial port cable 8 6981006 4 wire output power cable for external drives 4 6981008 34 wire floppy cable for 1 or two drives 9 6981009 9 wire input power cable with stripped tinned leads for connection to external power source 1 6981012 Dual USB cable DIAMOND SYSTEMS CORPORATION Cable Kit C PRZ KIT Prometheus LC CPU User Manual V1 0 Page 34 15 VGA ACCESS
27. ct the Main menu then select IDE Primary Master Enter the following settings Type User Cylinders 489 for 32MB flashdisk Heads 4 for 32MB flashdisk Sectors 32 for 32MB flashdisk Multi Sector Transfer Disable LBA Mode Control Enable 32 Bit I O Disable Transfer Mode Fast PIO 1 Ultra DMA Mode Disable Exit the BIOS and save your change The system will now boot and recognize the FlashDisk module as drive C 11 3 Using the Flashdisk with Another IDE Drive Since the flashdisk occupies the board s IDE connector mounting it on the board prevents the simultaneous use of another IDE drive To utilize both the flashdisk and another drive an adapter board such as Diamond Systems ACC IDEEXT and cables are required The ACC IDEEXT adapter board is described on page 33 11 4 Power Supply The 44 pin cable carries power from the CPU to the adapter board and will power the flashdisk module and any drive using a 44 pin connector such as a notebook hard drive A drive utilizing a 40 pin connector such as a CD ROM or full size hard drive requires an external power source through an additional cable The power may be provided from the CPU s power out connector J12 or from one of the two 4 pin headers on the ACC IDEEXT board Diamond Systems cable no 6981006 may be used with either power connector to bring power to the drive DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 27 12 PANEL BOARD
28. d that offers low cost low power consumption and extended temperature operation It includes 4 serial ports and memory soldered onto the board DOS and application files can be stored directly in the 1MB on board flash memory eliminating the need for a flashdisk module or hard disk drive Prometheus LC is an excellent choice for DOS based embedded applications where a low cost simple single board solution is required Prometheus LC conforms to the PC 104 standard an embedded computing standard that is based on the ISA and PCI buses and provides a compact rugged mechanical design for embedded systems PC 104 modules feature a pin and socket connection system in place of card edge connectors as well as mounting holes in each corner The result is an extremely rugged computer system fit for mobile and miniature applications PC 104 modules stack together with 0 6 spacing between boards 0 662 pitch including the thickness of the PCB A mechanical drawing of a standard PC 104 board is shown on page 38 For more information on PC 104 visit www pc104 org Diamond Systems manufactures a wide variety of compatible PC 104 add on boards for analog I O digital I O counter timer functions serial ports and DC DC power supply In addition our easy to use enclosure Pandora offers quick and cable free assembly of the Prometheus LC family of CPU boards providing a complete packaged system ready to deploy in both industrial and mobile environment
29. e host PC during this time When the device is completely reprogrammed with the BIOS the host will report the completion and the program will terminate The Prometheus LC CPU is now ready to reboot in normal mode Remove the null modem cable and return the jumper on J6 to its default position DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 21 8 DISK ON BOARD FLASH FILE STORAGE Prometheus LC supports the use of its on board flash memory as a disk drive About 1 45Mbytes of the total 2MB capacity is available for this function This valuable feature lets you run a DOS operating system right from the flash without having to use any external storage media in your finished application You save the cost of external disk drives or flashdisk modules and associated cables and assembly time Simply format the unused portion of the on board flash to work as a disk drive connect a floppy or hard disk to transfer your files then disconnect them and the system is ready to run Complete instructions are included here To use the Disk On Board feature you must have BIOS version 1 07M or later installed on your Prometheus When you power up the board the screen will indicate the BIOS version number If you have an earlier version you can download the latest BIOS from the Diamond Systems website along with an update utility program The instructions for updating the BIOS are included with the BIOS package on our website and are al
30. e jumper for Master Install the flashdisk module onto the IDE extender board model ACC IDEEXT Connect the extender board to the CPU s IDE connector using the 44 pin ribbon cable Connect the hard disk to the appropriate connector on the extender board If using a 44 pin cable such as DSC no 6981004 no power cable is required If using a 40 pin cable such as DSC no C 40 18 a separate power cable is required The power may be provided either from one of the two 4 pin headers on the extender board or from the Auxiliary Power Out connector J12 on the Prometheus LC CPU Use DSC cable no 6981006 for the power connection Attach a floppy drive to J7 on the Prometheus LC using DSC cable no 6981008 and provide power to it DSC cable 6981006 can be used for the floppy drive power Install a bootable floppy disk into the floppy drive Power up the system Make sure the BIOS is configured to boot from floppy Press F2 to enter BIOS when booting and go to the Boot screen to make this configuration Once the system is booted switch to drive D the hard disk with the OS on it and change to the DOS directory If necessary run FDISK and perform the following steps a Remove all partitions on the flashdisk module b Create a primary DOS partition on the flashdisk module c Make the DOS partition the active partition d Save your changes and exit Boot the system again from the floppy disk Switch to the hard disk D and cha
31. es and any other needed files to the flashdisk module 10 Reboot your system and enter the BIOS during startup 11 Go to the Boot screen and change the boot sequence to boot from hard disk 12 Save the new settings and exit the BIOS 13 Power down the system and disconnect the floppy drive 14 The system is now able to boot from the flashdisk module ee E DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 25 10 2 Installing an OS from a Hard Disk onto 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 module the IDE extender board and associated cables You must boot to the floppy drive rather than the hard drive because if you boot to the hard drive it must be the master drive making the flashdisk the slave drive DOS will not allow you to create a bootable partition on a slave drive and you must create the bootable partition on the flashdisk so the flashdisk must be configured for the master As an alternative to this procedure you may also install the operating system from the floppy drive as outlined on page 25 2 9 gu m 59 13 14 15 16 17 18 19 20 First install the operating system onto a hard disk Configure the hard disk jumper for Slave and the flashdisk modul
32. ess the Link switch while powering up or resetting the computer The link switch must be held down slightly longer than the reset switch is released in order to power up to the BUR When the Prometheus LC CPU boots up you will see the BUR display in the terminal program The required communication parameters are 9600 n 8 1 Now run the accompanying batch file recover bat to begin the process This batch file executes the following command zftrm exe loadbios com prm1 rom Each flash manufacturer utilizes a different programming protocol Zfterm exe knows about AMD and Atmel parts which are used on Prometheus LC boards If the software cannot recognize the flash device as an AMD or Atmel part then the CPU might have a hardware problem or else the program is an old version and needs to be upgraded If this is the case the software will exit with a message indicating that the device is not supported Contact Diamond Systems technical support for further assistance After the software recognizes the device it first completely erases the flash chip This might take up to 90 seconds After the chip is erased the software reports Flash Erased and then starts downloading the BIOS image from the host and programming the chip To completely download and reprogram the BIOS takes several minutes While this happens characters are continuously scrolled across the screen of the host PC It is recommended that no other applications or tasks be running on th
33. f the boards will seat completely while the pin headers on the other sides will show a slight gap This is normal and does not cause any problem with reliable connections on these connectors If you do not install the 14mm spacers between the two boards you will still be able to mate the two boards satisfactorily but they will be slightly tilted since the high density connector has a slightly larger board to board distance than the other pin headers The board stack may be mounted inside the Pandora enclosure in one of two ways The stack may hang from the front panel or it may be mounted to both the front and rear panel The assembly drawings included with the Pandora enclosure show both options The stack mounts to the front panel with four 4 flat head screws that install onto the four spacers on the top of the panel board as well as 14 4 screwlocks that connect to the 7 Dsub connectors on the panel board Finally select one of the two options for fixing the bottom of the stack Either install four 4 pan head screws on the bottom of the CPU board into the four spacers between it and the panel board or attach the four 0 6 male female round PC 104 spacers on the bottom of the board and then install four 4 flat head screws through the case s rear panel into the PC 104 spacers DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 32 13 FLASH DISK PROGRAMMER BOARD The Flash Disk Programmer Board accessory model no ACC
34. g F2 some programs or configurations trap special characters or may require special configuration The default Prometheus LC BIOS setting enables console redirection onto COM2 during POST power on self test The communication parameters are 115 2Kbaud N 8 1 When the CPU is powered up the BIOS will output POST information to COM2 and monitor it for any keyboard activity You can enter the BIOS by pressing F2 during this time In the default configuration after POST is finished and the CPU boots console redirection is disabled There are three possible configurations for console redirection POST only default Always Disabled To modify the console redirection settings enter the BIOS select the Advanced menu and then select Console Redirection In Com Port Address select Disabled to disable the function On board COM A for COM1 or On board COM B for COM2 default If you select Disabled you will not be able to enter BIOS again during power up through the serial port To reenter BIOS when console redirection is disabled you must either install a PC 104 video board and use a keyboard and terminal or erase the CMOS RAM which will return the BIOS to its default settings CMOS RAM may be erased by moving a jumper See page 14 for instructions Before erasing CMOS write down any custom BIOS settings you have made If you erase the CMOS RAM the next time the CPU powers up COM2 will return to the default setti
35. h COM1 At this point the DSC utility program ZFTERM EXE may be used to download the BIOS to the board See the information the Utilities BIOS Recovery folder of the Prometheus LC files area of the DSC customer CD for instructions on using this program 6 6 Flash Memory Prometheus LC contains a 1Mbyte 16 bit wide flash memory chip for storage of BIOS and optional user files The BIOS occupies the upper 256Kbytes leaving the rest available for user applications 6 7 Backup Battery Prometheus LC contains an integrated RTC CMOS RAM backup battery The battery is located adjacent to the PC 104 bus connector J1 This battery has a capacity of 30mAH and will last approximately 2 years in power off state The battery is activated for the first time during initial factory configuration and test Thus the age of the battery can be determined by inspecting the date label on the board 6 8 System Reset Prometheus LC contains a chip to control system reset operation Reset will occur under either of two conditions User causes reset with a ground contact on the Reset input Input voltage drops below 3 0V The ISA Reset signal is an active high pulse with a duration of 200ms DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 19 7 BIOS FEATURES 7 1 BIOS Settings Prometheus LC uses a BIOS from Phoenix Technologies modified to support the custom features of the ZF Micro ZFx86 chip and the Prometheus LC board S
36. h a 2 pin 2 position housing or across pins 7 13 for a speaker with a 2 pin 4 position housing when the two wires are on the two end positions of the housing External momentary switches may be connected to J3 to control power or reset For power connect the switch between pins 1 and 2 of J3 For reset connect the switch between pins 3 and 4 Each switch operates by connecting the selected control signal to ground To lock out the keyboard and mouse ports on the panel board install a jumper across pins 5 6 To disable the ATX power function connect a jumper across pins 12 14 on J3 An auxiliary switched 5V pin is provided J3 for customer application In addition the unswitched power may be used on this header to power a panel light or other customer circuit with the current limited to 1A Ground 1 2 Power Switch Ground 3 4 Reset Switch Ground 5 6 Keyboard Mouse Lockout 5VDC Unswitched 7 8 Speaker 5VDC Switched 9 10 N C Internal Speaker 11 12 Ground Speaker 13 14 ATX Disable J3 Pinout DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 31 12 7 Watchdog Timer J9 be used to connect an external watchdog timer 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
37. in 1 of the PS 2 connector Power pin connects to pin 4 of the PS 2 connector Pins 2 and 6 on the Mini Din 6 PS 2 connectors are unused This pin is a switched power pin that is turned on and off with the ATX power switch or with the 5V input The signal on this pin is referenced to 5V Out Connect a speaker between this pin and 5V Out Referenced to 5V Out Does not require a series resistor Connect LED directly between this pin and 5V Out Referenced to 5V Out Does not require a series resistor Connect LED directly between this pin and 5V Out Connection between this pin and Ground will generate a Reset condition When ATX is enabled a momentary contact between this pin and Ground causes the CPU to turn on and a contact of 4 seconds or longer will generate a power shutdown ATX power control is enabled with a jumper on jumper block J10 see page 14 When this pin is connected to Ground the keyboard and mouse inputs are ignored IrDA pins Can be connected directly to an IrDA transceiver Connected to 5V input power on J11 see page 9 This pin is not switched by ATX control This pin is provided for auxiliary use such as front panel lighting or other circuitry at the user s discretion Connector Part Numbers J3 plug on CPU board 3M Robinson Nugent no P50E 080P1 S1 TG Both cable mount and board mount connectors are available to mate with J3 Cable mount socket Board mount socket Robinson
38. lable individually 4 1 Main I O Connector J3 An 80 pin high density connector is provided for access to the standard user I O 4 serial ports Parallel port Watchdog timer I O PS 2 keyboard PS 2 mouse IrDA port ATX Power switch Reset switch Power HDD LEDs This connector mates with Diamond Systems cable no C PRZ 01 which consists of a dual ribbon cable assembly with industry standard connectors at the user end The CPU mating connector includes integral latches for enhanced reliability Each ribbon cable has 40 wires COM 1 COM 2 COM 3 COM 4 Utilities A Cable 1 DCD1 2 DSR 1 3 RXD 1 4 RTS1 5 TXD 1 6 CTS 1 7 DTR1 8 RI1 9 Ground 10 DCD2 11 DSR2 12 2 13 RTS2 14 2 15 CTS2 16 DTR2 17 2 18 Ground 19 DCD3 20 DSR3 21 RXD3 22 RTS3 23 TXD3 24 CTS3 25 DTR3 26 27 Ground 28 DCD 4 29 DSR4 30 RXD4 31 RTS4 32 4 33 CTS4 34 4 35 4 36 Ground 37 5V Out 38 Speaker Out 39 IDE Drive LED 40 Power LED DIAMOND SYSTEMS CORPORATION LPT 1 Keyboard Mouse Utilities B Prometheus LC CPU User Manual V1 0 Cable B 1 STB 2
39. nd include 128 byte FIFOs Ports 3 and 4 may be operated at speeds up to 1 5Mbaud with installation of high speed drivers as a custom option The serial ports use the following default system resources Port Address range IRQ 1 SF8 4 COM2 2F8 2FF 3 COM3 3E8 4 COM4 2E8 2EF 3 The settings of COM1 and COM2 may be changed in the system BIOS Select the Advanced menu then I O Device Configuration Serial Port A is COM1 and Serial Port B is COM2 The base address and interrupt level may be modified on this page The settings of COM3 and COM4 may be changed using a different procedure The addresses of these two ports are selected on the Advanced menu of the BIOS Select Advanced Chipset Control then ISA I O Chip Select Setup I O Window cs1 is for COM3 and window cs2 is for The only parameter that may be changed is the address The other settings must remain in their default values Window state Enabled Base Address user selectable Read Write control Read Write Window data width 8 bits Active Level Active Low Window size 08 After making any desired changes go to the top level Exit menu select Exit Saving Changes The interrupt IRQ settings for COM3 and COM4 are selected with J10 COM3 may use IRQ4 or IRQ9 COM4 may use IRQ3 or IRQ15 If both serial ports share the same IRQ they may share IRQ4 or IRQ5
40. nge to the DOS directory Format the flashdisk module using FORMAT C S Copy the operating system files and any other needed files onto the flashdisk module Power down the system Remove the hard disk and extender board and install the flashdisk module directly onto the IDE connector J8 on the Prometheus LC CPU Power up the system again Enter the BIOS F2 and change the bootup sequence to boot from hard disk C which now means the flashdisk module DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 26 11 FLASHDISK MODULE Prometheus LC is designed to accommodate an optional 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 128MB FD 256 XT 256MB 11 1 Installation The flashdisk module installs directly on the IDE connector J8 and is held down with a spacer and two screws onto a mounting hole on the board It fits within the height limit of the PC 104 specification so another board may be installed on top of the Prometheus LC CPU The flashdisk module contains a jumper for master slave configuration For master install the jumper over pins 1 amp 2 and for slave install the jumper over pins 2 amp 3 11 2 Configuration To configure the CPU to work with the Flashdisk module enter the BIOS press F2 during startup Sele
41. ngs of 115 2Kbaud N 8 1 and operate only during POST If you selected COMA or COMB then continue with the configuration For Console Type select PC ANSI You can modify the baud rate and flow control here if desired At the bottom for Continue C R after POST select Off default to turn off after POST or select On to remain on always C R Console Redirection Exit the BIOS and save your settings DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 17 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 circuit 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 version of WDO may be output on the WDO pin When this signal is connected to WDI the watchdog circuit will be retriggered automatically A block diagram is provided here RESET we WDO WD1 16 bit counter 2 WD2 B bit counter 7 2 ms max RESET 32 KHz The duration of each timer is user programmable When WD1 is triggered it begins to count down When it reaches zero it triggers WD2 and may also generate a user selectable combination of these events Non maskable interrupt NMI System controller interrupt SCI System Management interrupt SMI Hardware reset WD2 then begins to count down When WD
42. nly be done after it has been formatted and loaded with operating system files see below otherwise your system will not boot Save and exit the BIOS by hitting the F10 key Operating System Formatting e Attach a floppy drive to Prometheus Boot to a DOS system disk the floppy drive Atthe A prompt type format b s to format the Onboard Flash drive with the system files e make this drive a bootable A drive reboot the system and re enter the BIOS Go back to the Boot menu to change the boot order by listing the Onboard Flash before the Legacy Floppy Drive DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 22 Known Limitations e 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 DOS EMM386 exe NOEMS e The onboard flash chip has a limitation of 2 000 000 erase cycles so swap drives or virtual memory functions should not be used e Only 16 bit operating systems are supported with this Onboard Flash MSDOS 6 22 ROMDOS 6 22 and 7 0 and FreeDOS have been tested Other operating systems may work as long as they have a 16 bit compatibility mode Life Cycle Management and Calculations The Disk On Board feature provides a simple form of wear leveling Each time data is written the next consecutive available mem
43. ome of these features are described here To enter the BIOS during system startup POST power on self test press F2 Serial Ports The address and interrupt settings for serial ports COM1 COM4 may be modified COM1 and COM2 address and interrupt settings done in the BIOS Advanced menu Device Configuration See page 24 for details The addresses of COM3 and COM4 are configurable in the BIOS Select Advanced menu Advanced Chipset Control ISA I O Chip Select Setup See page 24 for details Parallel Port The parallel port settings may be modified on the same screen as serial ports COM1 and COM2 I O Device Configuration Data Acquisition The on board data acquisition circuit is modified on the same screen as serial ports and ISA Chip Select Setup Floppy IDE Settings On the Advanced screen I O Device Configuration the following settings should be retained Floppy disk controller Enabled Base I O address Primary Local Bus IDE adapter Primary Miscellaneous On the Advanced screen the following settings should be retained USB Host Controller Enabled USB BIOS Legacy Support Disabled Legacy support is not currently provided Installed O S Other Large Disk Access Mode DOS Remote Management Baud Rate Ignore feature not supported on Prometheus On the PCI Configuration page from the Advanced screen the following setting should be retained ISA Graphics Device Inst
44. ory space is used and the current location is marked as garbage and made available for later use This way the system walks through the entire available space before rewriting the current file location This technique helps to dramatically increase the chip s lifetime because the entire chip is used to spread out the wear caused by the repeated erase cycles A typical embedded application consists of reading a file updating it and repeating the process over and over again The formula for calculating the number of times this may be done before the flash reaches its limit is as follows Number of file writes size of chip size of file lifetime of chip Where size of chip 1 45MB and lifetime of chip 2 000 000 This formula reveals the increase in lifetime provided by the wear leveling The lifetime is increased by the ratio of the chip s total capacity to the file size To calculate the number of days the chip will last simply factor in the number of updates per day Lifetime in days number of file writes file writes per day E DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 23 9 SYSTEM I O 9 1 Serial Ports Prometheus LC contains 4 serial ports Each port is capable of transmitting at soeeds 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 16C2850 dual UART chip a
45. pinout for RS 232 DTE 4 6 Watchdog Failsafe Features J6 ZFIX 1 2 Ground 3 3V 3 4 WDI PRST 5 6 WDO J6 serves two main functions It is used for watchdog timer access and it is used to enable the ZFx86 failsafe feature ZFIX mode for reprogramming the BIOS or downloading files to the flash memory J6 also contains a reset indicator signal PRST that goes low for 200ms whenever a system reset occurs When the CPU is installed with a Panel Board the failsafe feature is activated with a momentary switch on the panel board labeled ZFIX and the watchdog timer feature is accessed with header 49 on the upper right edge of the panel board The watchdog timer circuit is described on page 18 of this manual It may be programmed directly as described in the ZFx86 training manual included with the Prometheus LC documents or with Diamond Systems Universal Driver software The failsafe feature is described on page 19 of this manual DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 11 4 7 Floppy Drive J7 Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 High Density Unused Unused Index Motor Enable Drive Select
46. r Pass through connector for VGA board Panel Board Bottom Side Internal Use I O Connectors 12 3 Panel Board Cables The panel board ships with a 10 wire video cable DSC part no 6981010 and a 2 wire power cable DSC part no 6981011 These are intended for use with the optional accessory video board and a Jupiter MM JMM power supply when these boards are used together with the Prometheus LC CPU and panel board The 10 wire video cable connects the VGA output of the video board to pin header J25 on the panel board J25 is compatible with a number of companies PC 104 video boards that provide a 10 pin connector for the video out 12 4 Panel Board Hardware The panel board also comes with mounting hardware for installing it and the CPU into an enclosure such as the Pandora system DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 29 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 other modules connected you need additional power In particular many disk drives need extra current during startup If your system fails to boot properly or if disk accesses do not work properly the first thing to check is the power supply voltage level Many boot up problem
47. ration Zero wait state capability for flash memory and PC 104 bus 5V only operation Extended temperature range operation 40 to 85 C Cable free assembly when used with Diamond Systems PNL Z32 Panel I O board 9 9 9 9 9 9 9 9 DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 5 3 PROMETHEUS LC BOARD DRAWING 5 5508 IN IDE Pin 1 0 550 2 187 IN 3 250 FDD Pin 1 8 5606 IN 2 325 IN 2 850 3 715 IN 3 135 IN J3 Pin 58 3 010 IN Connector 3 404 IN Mtg Hole IDE Pin 1 Flash Disk Mounting Location Connecto Pim 1 Mtg Hole 9 733 IN 8 718 IN Battery 9 508 1 MARK Pin 1 location identified unless otherwise noted Datum is lower left corner of PCB 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 power connector J14 Not present J15 Auxiliary serial port connector Configuration Jumper Blocks J6 System recovery jumper block J10 System configuration jumper block J13 Not present DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 6 4 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 avai
48. ro wait states In most configurations and board combinations the zero wait state setting will work properly and provide faster performance However it should be tested in your application to verify correct operation In standard configuration the CPU issues 2 wait states for 16 bit cycles and 3 wait states for 8 bit cycles ATX Power Control The ATX power control is set with this jumper block If the ATX jumper is out ATX works normally an external momentary switch may be used to turn power on and off A quick contact turns the power on and a long contact gt 4 seconds turns the power off If the ATX jumper is in the ATX function is bypassed and the system will power up as soon as power is connected Erasing CMOS RAM The CMOS RAM may be cleared with a jumper as shown on the next page This will cause the CPU to power up with the default BIOS settings To clear the CMOS RAM power down the CPU install the jumper as shown return it to its default position and then power up again Before erasing CMOS RAM write down any custom BIOS settings you have made Default Settings IRQ4 Default IRQS Settings A D IRQS Standard ISA bus wait state Backup bottery enabled ATX bypass DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 14 The different configurations for J10 shown below Each illustration shows only the jumper of interest An asterisk indicates the default setting
49. s E DIAMOND SYSTEMS CORPORATION Prometheus LC CPU User Manual V1 0 Page 4 2 FEATURES System Features Processor Section 486 DX2 processor running at 100MHz with co processor Pentium class platform including burst mode SDRAM and PCI based IDE controller and USB 16MB SDRAM system memory 50MHz memory bus for improved performance 1MB 16 bit wide flash memory for BIOS and user program storage 8KB unified level 1 cache 9 9 9 4RS 232 serial ports 115 2kbaud max 2 ports are 16550 compatible with 16 byte FIFOs 2 ports are 16850 compatible with 128 byte FIFOs 2 full featured powered USB 1 1 ports 1 ECP compatible parallel port Floppy drive connector IDE drive connector 44 pin version for notebook drives Accepts solid state flashdisk modules directly on board IrDA port requires external transceiver PS 2 keyboard and mouse ports 9 9 9 9 9 Speaker LED and Reset connections System Features Plug and play BIOS with IDE autodetection 32 bit IDE access and LBA support Built in disk emulation for OS and file storage in on board flash memory Built in fail safe boot ROM for system recovery in case of BIOS corruption Serial console capability eliminates need for video board and monitor On board lithium backup battery for real time clock and CMOS RAM ATX power switching capability Watchdog timer with hardware and software trigger and programmable delay Power surge monitor for fail safe ope
50. s are caused simply by insufficient voltage due to excess current draw on the 5V supply The panel board has two external input power connectors J11 and J13 to satisfy a variety of input power scenarios J11 is a circular jack with a 2 5mm post This connector is intended for direct 5VDC 5 input from the Diamond Systems PS 5VUS 01 wall adapter or an equivalent supply The polarity for the power connector is tip 5V ring Ground 41315 a DB9 male connector with multiple input voltages and applications If a latching connector is required the DB9 can be used in place of the circular jack to provide 5VDC If multiple system voltages are required for example 5V 5V 12V and or 12V these voltages can be supplied through J13 as well The 5V and 12V are controlled by the CPU s ATX power circuit while the 5V and 12V are connected directly to the PC 104 bus pins J13 can also be used with a DC DC power supply such as Diamond Systems Jupiter MM modules in applications where the supply voltage is different from the required 5V In this scenario the input voltage is fed to the DB9 and routed to the power supply with cable connected between the supply and connector J5 or J12 on the bottom side of the panel board J5 is used when the power is to be routed from the output of the power supply directly onto the PC 104 bus through the PC 104 bus connectors on the power supply In this application use the 2 wire power cable no 6981011
51. so included in this manual All Prometheus LC boards shipped on or after Septeember 23 2002 include the Disk On Board feature Initial Setup e Install BIOS version 1 07M or later if not already installed Earlier versions of the Prometheus LC BIOS do not support this feature Please see the BIOS recovery section of the users manual or the instructions included with the BIOS upgrade package on our website e the system and enter the BIOS setup by pressing F2 early the boot up e Goto Advanced Advanced Chipset Control and enable the Flash Virtual Drive Save and exit the BIOS by hitting F10 WARNING Do not skip this step e The system will boot again Reenter the BIOS after it boots by hitting the F2 key Goto Advanced Advanced Chipset Control again Highlight FLASH Initialize then hit enter You will see a percentage complete indicator After completion the BIOS will return to the Advanced screen WARNING When you press enter the flash memory will be initialized and erased Any data currently in the flash except the BIOS will be lost e Hit the ESC key to return to the main tabbed menus Goto the Boot tab e Highlight Removable Devices and hit lt enter gt e The Onboard Flash will be listed after Legacy Floppy Drives This will make it a non bootable B drive You can change it to a bootable A drive by hitting the lt gt or lt gt key to move it to the top This should o

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