ICL VALUEPLUS MD-SERIES Processor 80486SX/80487SX/80486DX/80486DX2 Processor Speed 25/33/50(internal)/66(internal)MHz Chip Set VIA Max. Onboard DRAM 64MB Cache 64/128/256KB BIOS AMI/Award Dimensions 330mm x 218mm I/O Options Parallel port, serial port, VGA port, PS/2 mouse port, VGA feature connector, 32-bit VESA local bus slots (2), floppy drive interface, IDE interface NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 PS/2 mouse port CN9 Floppy drive CN2 Chassis fan power J1 interface IDE interface CN3 Turbo LED J2 Parallel port CN4 IDE interface LED J3 VGA feature connector CN5 Power LED & keylock J4 PS/2 mouse connector CN6 Reset switch J5 VGA port CN8 32-bit VESA local bus SL1 & SL2 slots USER CONFIGURABLE SETTINGS Function Jumper Position » VGA IRQ9 disabled J9 Open VGA IRQ9 enabled J9 Closed » On board VGA enabled J10 pins 1 & 2 closed On board VGA disabled J10 pins 2 & 3 closed » Factory configured - do not J11 Open alter » Factory configured - do not JC7 pins 2 & 3 alter closed » Factory configured - do not JK1 pins 1 & 2 alter closed » Factory configured - do not JK2 pins 1 & 2 alter closed » Factory configured - do not JP1 pins 1 & 2 alter closed Note: The location of J9 is unidentified. DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x NONE NONE NONE 36 2MB (1) 256K x (1) 256K x NONE NONE 36 36 3MB (1) 256K x (1) 256K x (1) 256K x NONE 36 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 1M x 36 (1) 256K x NONE NONE 36 6MB (1) 1M x 36 (1) 256K x (1) 256K x NONE 36 36 7MB (1) 1M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 NONE NONE NONE 17MB (1) 4M x 36 (1) 256K x NONE NONE 36 18MB (1) 4M x 36 (1) 256K x (1) 256K x NONE 36 36 19MB (1) 4M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 20MB (1) 4M x 36 (1) 1M x 36 NONE NONE 21MB (1) 4M x 36 (1) 1M x 36 (1) 256K x NONE 36 22MB (1) 4M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 NONE 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 33MB (1) 4M x 36 (1) 4M x 36 (1) 256K x NONE 36 34MB (1) 4M x 36 (1) 4M x 36 (1) 256K x (1) 256K x 36 36 36MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 NONE 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 (2) 8K x 8 128KB (4) 32K x 8 NONE (2) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (2) 32K x 8 CACHE JUMPER CONFIGURATION Size JS1 JS2 JS3 64KB pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 128KB pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed 256KB pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed CPU TYPE CONFIGURATION Type JC1 JC2 JC3 JK5 80486SX-25 pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 3 & 4 closed closed closed closed 80487SX-25 pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 3 & 4 closed closed closed closed 80486DX-25 pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 3 & 4 closed closed closed closed 80486DX-33 pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2, 7 closed closed closed & 8 closed 80486DX2-50 pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 3 & 4 closed closed closed closed 80486DX2-66 pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2, 7 closed closed closed & 8 closed VRAM CONFIGURATION Size Bank 0 Bank 1 1MB (1) 256K x 16 NONE 2MB (1) 256K x 16 (1) 256K x 16