JC INFORMATION SYSTEMS CORPORATION MODEL 2030 Processor 80486SX/80487SX/80486DX/80486DX2 Processor Speed 20/25/33/40/50(internal)/50/66(internal)MHz Chip Set C & T Max. Onboard DRAM 64MB Cache 64/256KB BIOS C & T Dimensions 330mm x 218mm I/O Options 32-bit VESA card slot Multi-mode type local bus card slot NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location External battery J1 Speaker J5 Turbo LED J2 Reset switch S9 Turbo switch J3 Multi-mode/local bus card L1 Power LED & J4 32-bit VESA card V1 keylock USER CONFIGURABLE SETTINGS Function Jumper Position » BIOS type select Flash ROM W5 pins 1 & 2 closed BIOS type select EPROM W5 pins 2 & 3 closed » Monitor type select monochrome W9 open Monitor type select color W9 closed » CMOS memory normal operation W11 pins 2 & 3 closed CMOS memory clear W11 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 4MB (4) 1M x 9 NONE 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 20MB (4) 4M x 9 (4) 1M x 9 32MB (4) 4M x 9 (4) 4M x 9 64MB (4) 16M x 9 NONE CPU TYPE CONFIGURATION Type W12 W13 W14 80486DX2 pins 2 & 3 closed pins 1 & 2 closed closed 80486DX pins 2 & 3 closed pins 1 & 2 closed closed 80487SX pins 1 & 2 closed pins 1 & 2 closed closed 80486SX N/A N/A pins 2 & 3 closed CPU CONFIGURATION Speed OSCI S0 S1 S2 W7 W8 20MHz 40MHz closed open closed pins pins 1 & 2 1 & 2 25MHz 50MHz open open closed pins pins 1 & 2 1 & 2 33MHz 66MHz closed closed open pins pins 1 & 2 1 & 2 40MHz 80MHz open closed open pins pins 1 & 2 1 & 2 50(internal)MHz 50MHz open open closed pins pins 2 & 3 2 & 3 50MHz 50MHz open open closed pins pins 1 & 2 1 & 2 66(internal)MHz 66MHz closed closed open pins pins 1 & 2 1 & 2 Note:Pins designated should be in the closed position. CACHE JUMPER CONFIGURATION Size W10 W15 W16 64KB pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed 256KB pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed Note:The location of Jumper W15 and W16 may vary. CACHE CONFIGURATION Size Cache CACHE Location TAG 64KB (8) 8K x 8 CACHE (2) 16K x 1 256KB (8) 32K x 8 CACHE (2) 16K x 1