ICL ERGOPRO C4/33, C4/33B, D4/25, D4/33D Processor 80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive Processor Speed 25/33/66(internal)MHz Chip Set Headland Max. Onboard 32MB DRAM Cache 128KB BIOS ICL Dimensions 432mm x 368mm I/O Options PS/2 mouse port, parallel port, serial port, VGA port, VGA feature connector, AUI port, 10 base T port, floppy drive interface, IDE interface, riser slot NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location VGA port CN1 Cache connector CN10 PS/2 mouse port CN2 Chassis fan power J3 Parallel port CN3 IDE interface LED J4 AUI port CN4 Reset switch J6 10 base T port CN5 Chassis fan power J7 Serial port CN6 Speaker J8 VGA feature connector CN7 SCSI interface LED J9 IDE interface CN8 Riser Card SL1 Floppy drive interface CN9 USER CONFIGURABLE SETTINGS Function Jumper Position » On board VGA enabled J1 Open On board VGA disabled J1 Closed » CMOS memory normal operation J2 Open CMOS memory clear J2 Closed » Boot block disabled J5 Open Boot block enabled J5 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 4MB (4) 1M x 9 NONE 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 20MB (4) 4M x 9 (4) 1M x 9 32MB (4) 4M x 9 (4) 4M x 9 CACHE CONFIGURATION Size CN10 128KB Module installed Note: There are two CN10 connectors. CACHE JUMPER CONFIGURATION Setting J10 Installed Open Not installed Closed VRAM CONFIGURATION Size Bank 0 Bank 1 512KB (2) 256K x 8 NONE 1MB (2) 256K x 8 (2) 256K x 8