ICL AC41644/41647 MODELS E450/X450 Processor Pentium Processor Speed 75/90/100MHz Chip Set OPTI Max. Onboard DRAM 128MB Cache 256KB (on daughterboard) BIOS ICL Dimensions 330mm x 200mm I/O Options PS/2 mouse port, parallel port, serial ports (2), network adapter, floppy drive interface, IDE interfaces (2), proprietary riser card slot, sound in, sound out NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location 3.3V power E# IDE interface J11 connector (primary) Keyboard and mouse J0 IDE interface J12 PTC (primary) Parallel port J2 Network adapter J13 Serial port 1 J3 CPU fan J15 Serial port 2 J4 Microphone in J16 PS/2 mouse port J5 Speaker out J17 Hard drive LED J6 Unidentified J18 Front panel LEDs J7 Reset switch JP1 pins 1 & 2 Chassis fan power J8 Proprietary riser SL1 card slot Power switch J9 Cache expansion slot SL2 Floppy drive J10 interface USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not JP1 pins 9 & Closed alter 10 » Password disabled JP1 pins 15 Open & 16 Password enabled JP1 pins 15 Closed & 16 » Factory configured - do not JP1 pins 17 Closed alter & 18 » BIOS write protect enabled JP1 pins 19 Open & 20 BIOS write protect disabled JP1 pins 19 Closed & 20 DRAM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1M x 36 NONE 16MB (2) 1M x 36 (2) 1M x 36 16MB (2) 2M x 36 NONE 24MB (2) 1M x 36 (2) 2M x 36 32MB (2) 2M x 36 (2) 2M x 36 32MB (2) 4M x 36 NONE 40MB (2) 1M x 36 (2) 4M x 36 48MB (2) 2M x 36 (2) 4M x 36 64MB (2) 4M x 36 (2) 4M x 36 72MB (2) 1M x 36 (2) 8M x 36 80MB (2) 2M x 36 (2) 8M x 36 96MB (2) 4M x 36 (2) 8M x 36 128MB (2) 8M x 36 (2) 8M x 36 CMOS MODE CONFIGURATION Mode JP1 Normal pins 11 & 12 closed Clear pins 13 & 14 closed CPU SPEED CONFIGURATION Speed JP1 pins 3 & 4 JP1 pins 5 & 6 JP1 pins 7 & 8 75MHz Closed Closed Open 90MHz Closed Open Closed 100MHz Open Closed Open