IPC CORPORATION, LTD. IPC MBPOSIIIS Processor 80486SX/80487SX/80486DX/80486DX2 Processor Speed 25/33/50(internal)/66(internal)MHz Chip Set Acer Max. Onboard DRAM 33MB Cache None BIOS Unidentified Dimensions 330mm x 218mm I/O Options 32-bit external memory card, 32-bit system memory card, 32-bit VESA local bus slots (2), 32-bit PCI slots (2), bus mouse port, floppy drive interface, game port, green PC connector, IDE interface, IDE interfaces (2), SCSI connector, parallel port, PS/2 mouse port, serial ports (2), serial port, VGA feature connector, VGA port, VRM connector, cache slot NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Numeric display J1 Speaker J11 power connector Serial port J2 Keyboard controller J13 2/external floppy interface Floppy drive J3 Parallel port J14 interface IDE interface J4 Serial port 1 J15 Numeric display J5 Scanner port J16 port connector Internal numeric J6 External keyboard J17 display connector connector External numeric J8 Reset switch JP9 display connector Printer power J9 Printer power input PS2 output connector connector Drawer port J10 Riser slot SL1 connector Note: The location of J5 is unidentified. USER CONFIGURABLE SETTINGS Function Jumper Position » Floppy drive set as B drive J7 Open Floppy drive set as A drive J7 Closed » Buzzer enabled J18 Closed Buzzer disabled J18 Open Monitor type select monochrome JP1 Open Monitor type select color/EGA/VGA JP1 Closed » 5v to external floppy drive JP2 Open disabled 5v to external floppy drive JP2 Closed enabled » 12v to external floppy drive JP3 Open disabled 12v to external floppy drive JP3 Closed enabled » Factory configured - do not alter JP4 N/A » Drawer port voltage select 12v JP5 pins 1 & 2 closed Drawer port voltage select 25v JP5 pins 2 & 3 closed » IDE interface enabled JP6 Closed IDE interface disabled JP6 Open » Reset disabled JP9 Open Reset enabled JP9 Closed CMOS memory clear BQ3287 AMT JP10 pins 1 & 2 closed CMOS memory clear BQ3287 MT JP10 pins 2 & 3 closed » Keylock level 1 control floppy JP12 pins 2 & 3 access disabled closed Keylock level 1 control floppy JP12 pins 1 & 2 access enabled closed » Parallel port IRQ select IRQ7 JP13 pins 2 & 3 closed Parallel port IRQ select IRQ5 JP13 pins 1 & 2 closed » 12v to scanner port disabled JP18 Open 12v to scanner port enabled JP18 Closed » Keylock level 1 control NVR write JP19 pins 1 & 2 access disabled closed Keylock level 1 control NVR write JP19 pins 2 & 3 access enabled closed » Non volatile RAM type select JP21 Open 128KB Non volatile RAM type select JP21 Closed 8/32KB » Factory configured - do not alter JP30 N/A USER CONFIGURABLE SETTINGS (CON’T) Function Jumper Position » Factory configured - do not JP1 Unidentified alter » Factory configured - do not JP2 Unidentified alter » Factory configured - do not JP31 pins 2 & 3 closed alter » Factory configured - do not JP32 N/A alter » Factory configured - do not JP36 Closed alter » Floppy drive interface enabled JP37 pins 1 & 2 closed Floppy drive interface JP37 pins 2 & 3 closed disabled Note: Jumpers JP1 and JP2 are used for DMA channel selection. Settings are unidentified. DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 1MB (2) 256KB NONE NONE 2MB (2) 256KB (1) 256K x 36 NONE 3MB (2) 256KB (1) 256K x 36 (1) 256K x 36 5MB (2) 256KB (1) 1M x 36 NONE 9MB (2) 256KB (1) 1M x 36 (1) 1M x 36 17MB (2) 256KB (1) 4M x 36 NONE 33MB (2) 256KB (1) 4M x 36 (1) 4M x 36 Note: Banks 0 is factory installed and is not configurable. CPU TYPE CONFIGURATION Type JP33 JP34 JP35 80486SX pins 2 & 3 Open Open closed 80487SX pins 1 & 2 pins 1 & 2 Closed closed closed 80486DX pins 1 & 2 pins 2 & 3 Closed closed closed 80486DX2 pins 1 & 2 pins 2 & 3 Closed closed closed KEYLOCK LEVEL 1 OR 5 TO CONTROL NVR READ ACCESS CONFIGURATION Setting JP20 JP22 » Disabled pins 1 & 2 closed pins 1 & 2 closed Enabled pins 2 & 3 closed pins 2 & 3 closed I/O ADDRESS CONFIGURATION Address JP17 » 100H pins 1 & 2 closed 110H pins 3 & 4 closed 120H pins 5 & 6 closed 130H pins 7 & 8 closed 140H pins 9 & 10 closed 150H pins 11 & 12 closed 160H pins 13 & 14 closed 170H pins 15 & 16 closed PARALLEL PORT CONFIGURATION LPT JP23 JP25 » LPT2 pins 1 & 2 closed pins 1 & 2 closed LPT1 pins 1 & 2 closed pins 2 & 3 closed LPT3 pins 2 & 3 closed pins 1 & 2 closed Disabled pins 2 & 3 closed pins 2 & 3 closed SERIAL PORT CONFIGURATION UART 1 UART 2 JP11 JP15 » COM1 COM2 pins 1 & 2 pins 2 & 3 closed closed COM1 COM4 pins 1 & 2 pins 1 & 2 closed closed COM3 COM4 pins 2 & 3 pins 2 & 3 closed closed COM2 COM3 pins 2 & 3 pins 1 & 2 closed closed UART CONFIGURATION UART 1 UART 2 JP24 JP26 JP27 Enabled Enabled pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed Enabled Disabled pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed UART 2 UART 1 pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed Disabled UART 1 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed Disabled Enabled pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed UART 2 Disabled pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed Disabled Disabled pins 2 & 3 pins 2 & 3 N/A closed closed