JC INFORMATION SYSTEMS CORPORATION
HIGH PERFORMANCE 386 CACHE
| 
 Processor  | 
 80386DX  | 
| 
 Processor Speed  | 
 20/25MHz  | 
| 
 Chip Set  | 
 OPTI  | 
| 
 Max. Onboard DRAM  | 
 None (Up to 32MB on 32-bit external memory card)  | 
| 
 Cache  | 
 16/32KB  | 
| 
 BIOS  | 
 Phoenix  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 32-bit external memory card slot (2)  | 
| 
 NPU Options  | 
 80387/3167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Speaker  | 
 J1  | 
 Turbo LED  | 
 J4  | 
| 
 Reset switch  | 
 J2  | 
 External battery  | 
 J9  | 
| 
 Power LED & keylock  | 
 J3  | 
 32-bit external memory cards  | 
 S1 & S2  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 Monitor type select color  | 
 JP1  | 
 Closed  | 
| 
 Monitor type select monochrome  | 
 JP1  | 
 Open  | |
| » | 
 NPU disabled  | 
 JP2  | 
 Open  | 
| 
 NPU enabled  | 
 JP2  | 
 pins 1 & 2, 3 & 4 closed  | |
| » | 
 Factory configured - do not alter (pipeline mode)  | 
 JP4  | 
 Open  | 
| 
 CACHE CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 TAG (U1)  | 
 TAG (U2)  | 
| 
 16KB  | 
 (8) 4K x 4  | 
 NONE  | 
 (1) 4K x 4  | 
 NONE  | 
| 
 32KB  | 
 (8) 4K x 4  | 
 (8) 4K x 4  | 
 (1) 4K x 4  | 
 (1) 4K x 4  |