J-MARK COMPUTER CORPORATION J-656VXD Processor CX 6X86/AM K5/AM K6/Pentium Processor Speed 75/90/100/120/133/150/166/200/233MHz Chip Set Intel Video Chip Set None Maximum Onboard 512MB (EDO supported) Memory Maximum Video None Memory Cache 256/512KB BIOS Award Dimensions 254mm x 218mm I/O Options 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connectors (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location IR connector C1 Serial port 2 J2 IDE interface LED C2 Serial port 1 J3 Reset switch C3 IDE interface 2 J4 Speaker C4 IDE interface 1 J5 Power LED & keylock C5 Floppy drive J6 interface Green PC connector C6 Parallel port J7 Turbo LED C7 USB connector JP1 Turbo switch C8 USB connector JP2 PS/2 mouse interface J1 32-bit PCI slots PC1 – PC3 USER CONFIGURABLE SETTINGS Function Label Position Flash BIOS voltage select 12v JP4 Pins 2 & 3 closed Flash BIOS voltage select 5v JP4 Pins 1 & 2 closed » CMOS memory normal operation JP5 Open CMOS memory clear JP5 Closed SIMM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1M x 36 None 16MB (2) 2M x 36 None 16MB (2) 1M x 36 (2) 1M x 36 24MB (2) 2M x 36 (2) 1M x 36 32MB (2) 4M x 36 None 32MB (2) 2M x 36 (2) 2M x 36 40MB (2) 4M x 36 (2) 1M x 36 48MB (2) 4M x 36 (2) 2M x 36 64MB (2) 8M x 36 None 64MB (2) 4M x 36 (2) 4M x 36 72MB (2) 8M x 36 (2) 1M x 36 80MB (2) 8M x 36 (2) 2M x 36 96MB (2) 8M x 36 (2) 4M x 36 128MB (2) 8M x 36 (2) 8M x 36 128MB (2) 16M x 36 None 136MB (2) 16M x 36 (2) 1M x 36 144MB (2) 16M x 36 (2) 2M x 36 160MB (2) 16M x 36 (2) 4M x 36 192MB (2) 16M x 36 (2) 8M x 36 256MB (2) 16M x 36 (2) 16M x 36 Note: Board accepts EDO memory. DIMM CONFIGURATION Size Bank 0 Bank 1 32MB (1) 2M x 64 (1) 2M x 64 48MB (1) 4M x 64 (1) 2M x 64 64MB (1) 4M x 64 (1) 4M x 64 CACHE CONFIGURATION Size Bank 0 TAG 256KB (2) 32K x 32 (1) 32K x 8 512KB (2) 64K x 32 (1) 32K x 8 CPU SPEED SELECTION (CX 6X86) CPU Clock Multiplier BF0 BF1 FS0 FS1 FS2 speed speed 120MHz 50MHz 2x 2 & 1 & Closed Closed Closed 3 2 133MHz 55MHz 2x 2 & 1 & Closed Closed Open 3 2 150MHz 60MHz 2x 2 & 1 & Open Closed Closed 3 2 166MHz 66MHz 2x 2 & 1 & Closed Open Closed 3 2 200MHz 75MHz 3x 2 & 1 & Open Closed Open 3 2 CPU SPEED SELECTION (AM K5) CPU Clock Multiplier BF0 BF1 FS0 FS1 FS2 speed speed 90MHz 60MHz 1.5x 1 & 1 & Open Closed Closed 2 2 100MHz 66MHz 1.5x 1 & 1 & Closed Open Closed 2 2 133MHz 66MHz 1.5x 1 & 1 & Closed Open Closed 2 2 166MHz 66MHz 2.5x 2 & 2 & Closed Open Closed 3 3 CPU SPEED SELECTION (AM K6) CPU Clock Multiplier BF0 BF1 FS0 FS1 FS2 speed speed 166MHz 66MHz 2.5x 2 & 2 & Closed Open Closed 3 3 200MHz 66MHz 3x 1 & 2 & Closed Open Closed 2 3 233MHz 66MHz 3.5x 1 & 1 & Closed Open Closed 2 2 CPU SPEED SELECTION (INTEL) CPU Clock Multiplier BF0 BF1 FS0 FS1 FS2 speed speed 75MHz 50MHz 1.5x 1 & 1 & Closed Closed Closed 2 2 90MHz 60MHz 1.5x 1 & 1 & Open Closed Closed 2 2 100MHz 66MHz 1.5x 1 & 1 & Closed Open Closed 2 2 120MHz 60MHz 2x 2 & 1 & Open Closed Closed 3 2 133MHz 66MHz 2x 2 & 1 & Closed Open Closed 3 2 150MHz 60MHz 2.5x 2 & 2 & Open Closed Closed 3 3 166MHz 66MHz 2.5x 2 & 2 & Closed Open Closed 3 3 200MHz 66MHz 3x 1 & 2 & Closed Open Closed 2 3 233MHz 66MHz 3.5x 1 & 1 & Closed Open Closed 2 2 CPU VOLTAGE SELECTION Voltage JP11 2.8v Pins 1 & 2 closed 3.3v Pins 2 & 3 closed 3.45v Pins 4 & 5 closed 3.52v Pins 5 & 6 closed