AMPRO COMPUTERS, INC. LITTLE BOARD/P5E Device Type Single board computer Processor Pentium Processor Speed 100/133/166MHz Chip Set Unidentified Video Chip Set Chips and Technology Maximum Onboard Memory 128MB Maximum Video Memory 2MB Cache 256KB BIOS Ampro Dimensions 203mm x 146mm I/O Options Ethernet 10BaseT connector, AUI connector, floppy drive interface, IDE interface, SCSI interface, parallel port, serial ports (2), VGA interface, PC/104 connectors (2) [Image] CONNECTIONS Purpose Location Purpose Location Flat panel J3 Serial port 3 & 4 J13 connector VEE bias supply J4 Floppy drive J14 connector interface VGA interface J5 Parallel port J15 Video external J6 Keyboard connector J16 overlay connector Ethernet 10BaseT J7 IDE extension J17 connector connector AUI connector J8 CPU fan power J20 SCSI interface J9 PCI bus connector J21 Power connector J10 PC/104 connector P1 Serial port 1 & 2 J11 PC/104 connector P2 IDE interface J12 USER CONFIGURABLE SETTINGS Function Label Position Vee polarity select negative W1 Pins 1 & 2 closed Vee polarity select positive W1 Pins 2 & 3 closed SCSI termination enabled W3 Closed SCSI termination disabled W3 Open +5v for external serial port 4 enabled W8 Closed +5v for external serial port 4 disabled W8 Open BIOS chip select swap enabled W9 Closed Byte wide chip select swap enabled W9 Open » Factory configured - do not alter W12 Open BIOS 12v programming power enabled W13 Closed BIOS 12v programming power disabled W13 Open » Factory configured - do not alter W16 Open SCSI interface enabled W17 Open SCSI interface disabled W17 Closed Backlight enable signal select optional W20 Pins 1 & 2 closed Backlight enable signal select standard W20 Pins 2 & 3 closed Byte wide write enabled W22 Closed Byte wide write disabled W22 Open » Data valid select high to low W23 Pins 1 & 2 closed Data valid select low to high W23 Pins 2 & 3 closed SIMM CONFIGURATION Size Bank 0 8MB (2) 1M x 36 16MB (2) 2M x 36 32MB (2) 4M x 36 64MB (2) 8M x 36 128MB (2) 16M x 36 CACHE CONFIGURATION Note: The location of the cache is unidentified. VIDEO MEMORY CONFIGURATION Note: The location of the video memory is unidentified. CPU SPEED SELECTION CPU speed Clock speed Multiplier W10 W11 W14 100MHz 66MHz 1.5x Closed Closed 2 & 3 133MHz 66MHz 2x Open Closed 2 & 3 166MHz 66MHz 2.5x Open Open 2 & 3 Note: Pins designated should be in the closed position. DMA CHANNEL SELECTION Channel W18 W19 1 Pins 1 & 2 Pins 1 & 2 closed closed 3 Pins 2 & 3 Pins 2 & 3 closed closed SERIAL PORT 3 ADDRESS SELECTION Setting W4 W6 IRQ4, shared with serial 1 Pins 1 & 2 closed Open Serial 3, IRQ12/serial 1 IRQ4 Pins 2 & 3 closed Closed SERIAL PORT 4 ADDRESS SELECTION Setting W5 W7 IRQ3, shared with serial 2 Pins 1 & 2 closed Open Serial 4, IRQ10/serial 2 Pins 2 & 3 closed Closed IRQ3 WATCHDOG TIMER SELECTION Setting W24 IOCHK Pins 1 & 2 closed Reset Pins 2 & 3 closed Disabled Open EPROM SELECTION Type W2 W15 W21 27C64 Open 8 & 9, 14 & 15 2 & 3 27C128 Open 8 & 9, 14 & 15 2 & 3 28C64 Open 8 & 9, 14 & 15 2 & 3 27C256 Open 9 & 12, 14 & 15 1 & 2 27C512 Open 9 & 12, 10 & 11, 14 & 1 & 2 15 27C010 Open 2 & 5, 7 & 8, 9 & 12, 1 & 2 10 & 11 27C020 Open 2 & 5, 7 & 8, 9 & 12, 1 & 2 10 & 11, 13 & 14 27C040 Open 2 & 5, 4 & 7, 9 & 12, 1 & 2 10 & 11, 13 & 14 27C080 Open 4 & 7, 5 & 6, 9 & 12, 1 & 2 10 & 11, 13 & 14 Note: Pins designated should be in the closed position. FLASH EPROM SELECTION Type W2 W15 W21 29C256 Open 8 & 11, 9 & 12, 14 & 15 1 & 2 28C256 Open 8 & 9, 11 & 12, 14 & 15 1 & 2 29F512 Open 4 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14 1 & 2 29F010 Open 4 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14 1 & 2 29F020 Open 4 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14 1 & 2 29F040 Open 4 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14 1 & 2 28F256 Open 2 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14 1 & 2 28F512 Open 2 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14 1 & 2 28F010 Open 2 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14 1 & 2 28F020 Open 2 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14 1 & 2 Note: Pins designated should be in the closed position. SRAM SELECTION Type W2 W15 W21 43256 Closed 7 & 10, 8 & 9, 11 & 2 & 3 12, 14 & 15 628128 Closed 7 & 10, 8 & 9, 11 & 2 & 3 12, 14 & 15 DS1235Y Closed 7 & 10, 8 & 9, 11 & 2 & 3 12, 14 & 15 BQ4013Y Closed 7 & 10, 8 & 9, 11 & 2 & 3 12, 14 & 15 628512 Closed 4 & 5, 7 & 10, 8 & 9, 2 & 3 11 & 12, 13 & 14 DS1650Y Closed 4 & 5, 7 & 10, 8 & 9, 2 & 3 11 & 12, 13 & 14 BQ4015Y Closed 4 & 5, 7 & 10, 8 & 9, 2 & 3 11 & 12, 13 & 14 Note: Pins designated should be in the closed position.