OGIVAR INC.
INTERSYSTEM 386SX
| 
 Processor  | 
 80386SX (exact location unidentified)  | 
| 
 Processor Speed  | 
 16/20MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Max. Onboard DRAM  | 
 8MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 80387SX (exact location unidentified)  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 J2  | 
 Speaker  | 
 J13  | 
| 
 Reset switch  | 
 J11  | 
 Power LED & keylock  | 
 J14  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Factory configured - do not alter  | 
 J12  | 
 N/A  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J15  | 
 N/A  | 
| 
 »  | 
 Battery type select external  | 
 JP1  | 
 Open  | 
| 
 Battery type select internal  | 
 JP1  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 BIOS type select 27256  | 
 JP2  | 
 pins 2 & 3 closed  | 
| 
 BIOS type select 27128  | 
 JP2  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 Monitor type select color  | 
 JP4  | 
 Closed  | 
| 
 Monitor type select monochrome  | 
 JP4  | 
 Open  | |
| 
 »  | 
 NPU disabled  | 
 JP7  | 
 Closed  | 
| 
 NPU enabled  | 
 JP7  | 
 Open  | |
| 
 »  | 
 Pipeline mode enabled  | 
 JP8  | 
 Closed  | 
| 
 Pipeline mode disabled  | 
 JP8  | 
 Open  | |
| 
 Note: NPU must be synchronous with CPU.  | |||
| 
 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  | 
| 
 2MB  | 
 (2) 256K 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  | 
| 
 5MB  | 
 (2) 256K 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  | 
| 
 Note: Banks locations are unidentified and are labeled on the board in the following manner:  | ||||
| 
 Bank 0: SIMM 4 & 8  | ||||
| 
 Bank 1: SIMM 3 & 7  | ||||
| 
 Bank 2: SIMM 2 & 6  | ||||
| 
 Bank 3: SIMM 1 & 5  | ||||