J-MARK COMPUTER CORPORATION J-597A Device Type Mainboard Processor CX 6X86/IBM 6X86/CX 686MX/IDT C6/AM K5/AM K6/Pentium/Pentium MMX Processor Speed 90/100/120/133/150/166/180/200/233/266/300MHz Chip Set VIA VP3 Maximum Onboard 384MB (EDO & SDRAM supported) Memory Cache 512/1024KB BIOS Unidentified Dimensions 220mm x 170mm I/O Options 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector, ATX power connector, AGP slot [Image] CONNECTIONS Purpose Location Purpose Location AGP slot AGP PS/2 mouse interface CN2 ATX power connector ATX Serial port 2 CN4 Turbo LED C1 Serial port 1 CN5 Reset switch C2 IDE interface 2 CN6 Speaker C3 IDE interface 1 CN7 Turbo switch C4 Floppy drive CN8 interface Power LED & keylock C5 Parallel port CN9 IDE interface LED C6 IR connector IR1 Soft off power supply C7 32-bit PCI slots PC1 – PC4 CPU fan power C8 USB connector USB CPU fan power C9 USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation J3 Pins 2 & 3 closed CMOS memory clear J3 Pins 3 & 4 closed Flash BIOS voltage select 12v JP1 Pins 1 & 2 closed Flash BIOS voltage select 5v JP1 Pins 2 & 3 closed » Factory configured - do not JP2 Unidentified alter SIMM CONFIGURATION Size Bank 0 8MB (2) 1M x 36 16MB (2) 2M x 36 32MB (2) 4M x 36 64MB (2) 8M x 36 128MB (2) 16M x 36 Note: Board accepts EDO memory. DIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 8MB (1) 1M x 64 None None 16MB (1) 2M x 64 None None 16MB (1) 1M x 64 (1) 1M x 64 None 24MB (1) 2M x 64 (1) 1M x 64 None DIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 24MB (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 32MB (1) 4M x 64 None None 32MB (1) 2M x 64 (1) 1M x 64 (1) 1M x 64 32MB (1) 2M x 64 (1) 2M x 64 None 40MB (1) 4M x 64 (1) 1M x 64 None 40MB (1) 2M x 64 (1) 2M x 64 (1) 1M x 64 48MB (1) 4M x 64 (1) 1M x 64 (1) 1M x 64 64MB (1) 8M x 64 None None 64MB (1) 4M x 64 (1) 2M x 64 (1) 2M x 64 64MB (1) 4M x 64 (1) 4M x 64 None 72MB (1) 8M x 64 (1) 1M x 64 None 80MB (1) 4M x 64 (1) 4M x 64 (1) 2M x 64 88MB (1) 8M x 64 (1) 2M x 64 (1) 1M x 64 96MB (1) 8M x 64 (1) 2M x 64 (1) 2M x 64 96MB (1) 4M x 64 (1) 4M x 64 (1) 4M x 64 104MB (1) 8M x 64 (1) 4M x 64 (1) 1M x 64 128MB (1) 16M x 64 None None 128MB (1) 8M x 64 (1) 4M x 64 (1) 4M x 64 128MB (1) 8M x 64 (1) 8M x 64 None 136MB (1) 16M x 64 (1) 1M x 64 None 136MB (1) 8M x 64 (1) 8M x 64 (1) 1M x 64 144MB (1) 16M x 64 (1) 1M x 64 (1) 1M x 64 144MB (1) 16M x 64 (1) 2M x 64 None 144MB (1) 8M x 64 (1) 8M x 64 (1) 2M x 64 152MB (1) 16M x 64 (1) 2M x 64 (1) 1M x 64 160MB (1) 16M x 64 (1) 2M x 64 (1) 2M x 64 160MB (1) 16M x 64 (1) 4M x 64 None 160MB (1) 8M x 64 (1) 8M x 64 (1) 4M x 64 168MB (1) 16M x 64 (1) 4M x 64 (1) 1M x 64 192MB (1) 16M x 64 (1) 4M x 64 (1) 4M x 64 192MB (1) 16M x 64 (1) 8M x 64 None 192MB (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 224MB (1) 16M x 64 (1) 8M x 64 (1) 4M x 64 256MB (1) 16M x 64 (1) 8M x 64 (1) 8M x 64 384MB (1) 16M x 64 (1) 16M x 64 (1) 16M x 64 Note: Board accepts SDRAM memory. CACHE CONFIGURATION Size Bank 0 TAG 512KB (2) 32K x 64 (1) 32K x 8 1MB (2) 64K x 64 (1) 32K x 8 CPU SPEED SELECTION (CX 6X86) CPU Clock Multiplier U2/1 U2/2 U2/3 U2/4 U2/5 U2/6 speed speed 150MHz 60MHz 2x On Off Off On Off Off 166MHz 66MHz 2x On Off Off Off Off Off 200MHz 75MHz 2x On Off Off Off On Off CPU SPEED SELECTION (IBM 6X86) CPU Clock Multiplier U2/1 U2/2 U2/3 U2/4 U2/5 U2/6 speed speed 150MHz 60MHz 2x On Off Off On Off Off 166MHz 66MHz 2x On Off Off Off Off Off 200MHz 75MHz 2x On Off Off Off On Off CPU SPEED SELECTION (CX 6X86MX) CPU Clock Multiplier U2/1 U2/2 U2/3 U2/4 U2/5 U2/6 speed speed 166MHz 60MHz 2.5x On On Off On Off Off 200MHz 66MHz 2.5x On On Off Off Off Off 200MHz 75MHz 2x On Off Off Off On Off 233MHz 66MHz 3x Off On Off Off Off Off CPU SPEED SELECTION (IDT C6) CPU Clock Multiplier U2/1 U2/2 U2/3 U2/4 U2/5 U2/6 speed speed 150MHz 75MHz 2x On Off Off Off On Off 180MHz 60MHz 3x Off On Off On Off Off CPU SPEED SELECTION (AM K5) CPU Clock Multiplier U2/1 U2/2 U2/3 U2/4 U2/5 U2/6 speed speed 90MHz 60MHz 1.5x Off Off Off On Off Off 100MHz 66MHz 1.5x Off Off Off Off Off Off 133MHz 66MHz 1.5x Off Off Off Off Off Off 166MHz 66MHz 2.5x On On Off Off Off Off CPU SPEED SELECTION (AM K6) CPU Clock Multiplier U2/1 U2/2 U2/3 U2/4 U2/5 U2/6 speed speed 166MHz 66MHz 2.5x On On Off Off Off Off 200MHz 66MHz 3x Off On Off Off Off Off 233MHz 66MHz 3.5x Off Off Off Off Off Off 266MHz 66MHz 4x On Off On Off Off Off 300MHz 66MHz 4.5x On On On Off Off Off CPU SPEED SELECTION (INTEL) CPU Clock Multiplier U2/1 U2/2 U2/3 U2/4 U2/5 U2/6 speed speed 90MHz 60MHz 1.5x Off Off Off On Off Off 100MHz 66MHz 1.5x Off Off Off Off Off Off 120MHz 60MHz 2x On Off Off On Off Off 133MHz 66MHz 2x On Off Off Off Off Off 150MHz 60MHz 2.5x On On Off On Off Off 166MHz 66MHz 2.5x On On Off Off Off Off 200MHz 66MHz 3x Off On Off Off Off Off CPU SPEED SELECTION (INTEL MMX) CPU Clock Multiplier U2/1 U2/2 U2/3 U2/4 U2/5 U2/6 speed speed 166MHz 66MHz 2.5x On On Off Off Off Off 200MHz 66MHz 3x Off On Off Off Off Off 233MHz 66MHz 3.5x Off Off Off Off Off Off CPU VOLTAGE SELECTION Voltage J4/1 J4/2 J4/3 J4/4 Auto Off Off Off On 2.1v On Off Off Off 2.2v Off On Off Off 2.8v Off Off Off On 2.9v On Off Off On 3.2v Off Off On On 3.3v On Off On On 3.45v Off On On On 3.52v On On On On