ADVANCED INTEGRATION RESEARCH, INC. 54CMI REV. 1.0 Processor Pentium Overdrive/Pentium Processor Speed 75/90/100MHz Chip Set OPTI Max. Onboard DRAM 128MB Cache 256/512/1024KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit PCI bus slots (3), 32-bit VESA local bus slots (2), floppy drive interface (2), IDE interface, parallel port, serial ports (2), green PC connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 Reset switch J3 Serial port 2 CN2 External battery J4 IDE interface CN3 Turbo switch J5 Parallel port CN4 Turbo LED J6 Floppy drive CN5 IDE interface LED J7 interface 2 Floppy drive CN6 Green PC feature JP15 interface 1 connector Power LED & keylock J1 32-bit PCI bus slots P1 - P3 Speaker J2 32-bit VESA Local bus SL1 & SL2 slots USER CONFIGURABLE SETTINGS Function Jumper Position » Turbo mode enabled/flash BIOS J5 Closed programming disabled Turbo mode disabled/flash BIOS J5 Open programming enabled » CMOS memory normal operation JP14 Pins 2 & 3 closed CMOS memory clear JP14 Pins 1 & 2 closed » Parallel port IRQ select IRQ7 JP32 Pins 1 & 2 closed Parallel port IRQ select IRQ5 JP32 Pins 2 & 3 closed » On board PCI IDE enabled JP35 Open On board PCI IDE disabled JP35 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 2MB (2) 256K x 36 NONE 4MB (2) 256K x 36 (2) 256K x 36 4MB (2) 512K x 36 NONE 6MB (2) 256K x 36 (2) 512K x 36 8MB (2) 512K x 36 (2) 512K x 36 8MB (2) 1M x 36 NONE 10MB (2) 256K x 36 (2) 1M x 36 12MB (2) 512K x 36 (2) 1M x 36 16MB (2) 1M x 36 (2) 1M x 36 16MB (2) 2M x 36 NONE 18MB (2) 256K x 36 (2) 2M x 36 20MB (2) 512K x 36 (2) 2M x 36 24MB (2) 1M x 36 (2) 2M x 36 32MB (2) 2M x 36 (2) 2M x 36 32MB (2) 4M x 36 NONE 34MB (2) 256K x 36 (2) 4M x 36 36MB (2) 512K x 36 (2) 4M x 36 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 64MB (2) 8M x 36 NONE 66MB (2) 256K x 36 (2) 8M x 36 68MB (2) 512K x 36 (2) 8M 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 CACHE CONFIGURATION Size Bank 0 256KB (8) 32K x 8 512KB (8) 64K x 8 1MB (8) 128K x 8 CACHE JUMPER CONFIGURATION Size JP4 JP5 256KB Open Open 512KB Open Closed 1MB Closed Closed CPU SPEED CONFIGURATION Speed JO1 JO2 JO3 75MHz Open Open Closed 90MHz Open Closed Open 100MHz Closed Closed Open FOUR FLOPPY DRIVE CONFIGURATION All drives ECP mode enabled JP29 JP30 JP31 enabled Yes No Open Open Open No Yes, use DMA 3 Closed 1 & 2 1 & 2 No Yes, use DMA 1 Closed 2 & 3 2 & 3 Note: Pins designated should be in the closed position. GREEN PC CONFIGURATION Description JP15 Can be used to control video card VSYNC. Connect to pin Pin 1 12 on VGA feature connector. Can be used to control video card HSYNC. Connect to pin Pin 2 11 on VGA feature connector. Enables or disables video signals. Connect this to pin Pin 3 18 on VGA feature connector.