MICRO EXPRESS, INC.
FOREX 386 CACHE
| 
 Processor  | 
 80386DX  | 
| 
 Processor Speed  | 
 33/40MHz  | 
| 
 Chip Set  | 
 FOREX  | 
| 
 Max. Onboard DRAM  | 
 32MB  | 
| 
 Cache  | 
 64/128/256KB  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 80387DX/3167  | 

| 
 CONNECTIONS  | 
|||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 JP2  | 
 Keylock & power LED  | 
 JP9  | 
| 
 Turbo LED  | 
 JP7  | 
 Speaker  | 
 JP10  | 
| 
 Reset switch  | 
 JP8  | 
 Turbo switch  | 
 JP11  | 
| 
 USER CONFIGURABLE SETTINGS  | 
|||
| 
 Function  | 
 Jumper  | 
 Position  | 
|
| 
 »  | 
 Factory configured - do not alter  | 
 JP3  | 
 N/A  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP100  | 
 N/A  | 
| 
 »  | 
 DRAM parity check enabled  | 
 JP101  | 
 Closed  | 
| 
 
  | 
 DRAM parity check disabled  | 
 JP101  | 
 Open  | 
| 
 »  | 
 CMOS normal operation  | 
 JP202  | 
 Open  | 
| 
 
  | 
 CMOS memory clear  | 
 JP202  | 
 Closed  | 
| 
 CACHE CONFIGURATION  | 
|||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 TAG  | 
| 
 64KB  | 
 (4) 8K x 8  | 
 (4) 8K x 8  | 
 (1) 8K x 8  | 
| 
 128KB  | 
 NONE  | 
 (4) 32K x 8  | 
 (1) 8K x 8  | 
| 
 256KB  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
 (1) 32K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | 
|||
| 
 Size  | 
 JP6/A  | 
 JP6/B  | 
 JP6/C  | 
| 
 64KB  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 128KB  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 256KB  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 DRAM CONFIGURATION  | 
||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 (4) 256K x 9  | 
 NONE  | 
| 
 2MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
| 
 4MB  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 5MB  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 16MB  | 
 (4) 4M x 9  | 
 NONE  | 
| 
 20MB  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  |