UNIDENTIFIED
386/25 CACHE
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 25MHz  | 
| 
 Chip Set  | 
 OPTI  | 
| 
 Max. Onboard DRAM  | 
 16MB  | 
| 
 Cache  | 
 32/64KB (location unidentified)  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 330mm x 220mm  | 
| 
 I/O Options  | 
 Memory card  | 
| 
 NPU Options  | 
 80387SX/3167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J1  | 
 Turbo switch  | 
 J14 (pins 7 & 8)  | 
| 
 Speaker  | 
 J14 (pins 1 - 4)  | 
 Power LED & keylock  | 
 J15  | 
| 
 Reset switch  | 
 J14 (pins 5 & 6)  | 
 External memory card  | 
 S1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Battery type select external  | 
 J1  | 
 Closed  | 
| 
 Battery type select internal  | 
 J1  | 
 pins 2 & 3 closed  | |
| 
 Monitor type select color  | 
 J2  | 
 Closed  | |
| 
 Monitor type select monochrome  | 
 J2  | 
 Open  | |
| 
 »  | 
 Factory configured - do not alter  | 
 J4  | 
 pins 2 & 3 closed  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J10  | 
 pins 1 & 2 closed  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J11  | 
 pins 1 & 2 closed  | 
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 512KB  | 
 (2) 256K x 9  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 1MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 NONE  | 
 NONE  | 
| 
 1.5MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 NONE  | 
| 
 2MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 2MB  | 
 (2) 1M x 9  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 2.5MB  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 NONE  | 
 NONE  | 
| 
 2.5MB  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
 NONE  | 
 NONE  | 
| 
 3MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 NONE  | 
| 
 3MB  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
 NONE  | 
| 
 3MB  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 NONE  | 
| 
 3.5MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
| 
 3.5MB  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 3.5MB  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 4MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 NONE  | 
 NONE  | 
| 
 4.5MB  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 NONE  | 
| 
 4.5MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
 NONE  | 
| 
 4.5MB  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 NONE  | 
| 
 5MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 5MB  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
| 
 5MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 10MB  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
| 
 6.5MB  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 6.5MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
| 
 6.5MB  | 
 (2) 1M x 9  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 8MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 CACHE CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 TAG  | 
| 
 32KB  | 
 (4) 8K x 8  | 
 NONE  | 
 (1) 8K x 8  | 
| 
 64KB  | 
 (4) 8K x 8  | 
 (4) 8K x 8  | 
 (1) 8K x 8  | 
| 
 Note: The location of CACHE is unidentified.  | |||
| 
 CACHE JUMPER CONFIGURATION  | |||
| 
 Size  | 
 J5  | 
 J8  | 
 J9  | 
| 
 32KB  | 
 pins 1 & 2 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 64KB  | 
 pins 2 & 3 closed  | 
 Closed  | 
 pins 2 & 3 closed  | 
| 
 CACHE MEMORY LINE CONFIGURATION  | ||
| 
 Size  | 
 J6  | 
 J7  | 
| 
 4 Bytes  | 
 Closed  | 
 pins 1 & 2 closed  | 
| 
 8 Bytes  | 
 Closed  | 
 pins 2 & 3 closed  | 
| 
 16 Bytes  | 
 Open  | 
 pins 2 & 3 closed  | 
| 
 BIOS ROM TYPE CONFIGURATION  | |
| 
 TYPE  | 
 J3  | 
| 
 32Kb x 8  | 
 pins 2 & 3 closed  | 
| 
 64KB x 8  | 
 pins 1 & 2 closed  |