JC INFORMATION SYSTEMS CORPORATION MODEL 2060 Processor 80386DX/80486SX/80487SX/80486DX/80486DX2 Processor 20/25/33/40(internal)/50/50(internal)/66(internal) Speed Chip Set OPTI Max. Onboard 64MB DRAM SRAM Cache 64/128/256KB BIOS AMI Dimensions 330mm x 202mm I/O Options 16-bit riser card slot, bus mouse port, diagnostic port floppy drive interface, IDE interface, parallel port, PS/2 style keyboard serial ports (2), VGA feature connector, VGA port NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Diagnostic port DIAG IDE interface J13 VGA port J1 Power LED & keylock J15 Parallel port J2 Turbo LED J16 Serial port (COM2) J3 Turbo switch J17 Serial port (COM1) J4 Reset switch J18 Bus mouse port J5 Speaker J19 PS/2 style keyboard J6 External battery P1 connector VGA feature J7 16-bit riser card S1 connector Floppy drive J12 interface USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation JP18 pins 2 & 3 closed CMOS memory clear JP18 pins 1 & 2 closed » Monitor type select color JP19 closed Monitor type select monochrome JP19 open » BIOS type select EPROM JP20 pins 2 & 3 closed BIOS type select Flash ROM JP20 pins 1 & 2 closed » On-board VGA enabled JP21 closed On-board VGA disabled JP21 open VRAM CONFIGURATION Size VRAM 512KB NONE 1024KB (4) 44256 Note:The base 512KB is soldered on board. DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x NONE NONE NONE 36 2MB (1) 256K x (1) 256K x NONE NONE 36 36 3MB (1) 256K x (1) 256K x (1) 256K x NONE 36 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 256K x (1) 1M x 36 NONE NONE 36 6MB (1) 256K x (1) 256K x (1) 1M x 36 NONE 36 36 7MB (1) 256K x (1) 256K x (1) 256K x (1) 1M x 36 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 9MB (1) 256K x (1) 1M x 36 (1) 1M x 36 NONE 36 10MB (1) 256K x (1) 256K x (1) 1M x 36 (1) 1M x 36 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 13MB (1) 256K x (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 NONE NONE NONE 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 CPU TYPE CONFIGURATION Type JP1 JP2 JP3 JP11 JP13 80486DX2 pins 1 & closed pins 1 & closed pins 2 & 2 2 3 80486DX pins 1 & closed pins 1 & closed pins 2 & 2 2 3 80487SX pins 1 & closed pins 2 & closed pins 2 & 2 3 3 80486SX pins 2 & open open closed pins 2 & 3 3 80386DX N/A N/A N/A open pins 1 & 2 Note:Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed OSCI JP12 S0 S1 S2 20MHz 40MHz pins 2 closed open closed & 3 25MHz 50MHz pins 2 open open closed & 3 33MHz 66MHz pins 2 closed closed open & 3 40MHz 80MHz pins 2 open closed open & 3 50(internal)MHz 50MHz pins 2 open open closed & 3 50MHz 50MHz pins 1 open open closed & 2 66(internal)MHz 66MHz pins 2 closed closed open & 3 Note:Pins designated should be in the closed position. SRAM JUMPER CONFIGURATION Size JP4 JP5 JP6 JP7 64KB open open open open 128KB closed open open closed 256KB closed closed closed closed SRAM CONFIGURATION Size Cache SRAM Location TAG 64KB (8) 8K x 8 Banks 0 & 1 (1) 16K x 4 128KB (4) 32K x 8 Bank 0 (1) 16K x 4 256KB (8) 32K x 8 Banks 0 & 1 (1) 16K x 4 PARALLEL & SERIAL PORT IRQ CONFIGURATION Function/IRQ Jumper Position » Parallel port interrupt select JP14/PP pins 1 & 2 IRQ7 closed Parallel port interrupt select JP14/PP pins 2 & 3 IRQ5 closed » Serial port COM 1 interrupt JP14/S1 pins 1 & 2 select IRQ4 closed Serial port COM 1 interrupt JP14/S1 pins 2 & 3 select IRQ3 closed » Serial port COM 2 interrupt JP14/S2 pins 2 & 3 select IRQ3 closed Serial port COM 2 interrupt JP14/S2 pins 1 & 2 select IRQ4 closed