UNIDENTIFIED
2MM/SC
| 
 Processor  | 
 80286  | 
| 
 Processor Speed  | 
 12MHz  | 
| 
 Chip Set  | 
 C & T  | 
| 
 Max. Onboard DRAM  | 
 4MB  | 
| 
 SRAM Cache  | 
 None  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 254mm x 218mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 80287  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Speaker  | 
 J1 pins 1 & 4  | 
 Turbo LED  | 
 J3 pins 3 & 4  | 
| 
 Power LED & keylock  | 
 J2  | 
 External battery  | 
 J4  | 
| 
 Reset switch  | 
 J3 pins 1 & 2  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 Speaker select internal  | 
 J1  | 
 pins 2 & 3 closed  | 
| 
 Speaker select external  | 
 J1  | 
 pins 1 & 4 connected  | |
| » | 
 Battery select internal  | 
 J5  | 
 pins 1 & 2 closed  | 
| 
 Batery select external 6VDC  | 
 J5  | 
 pins 3 & 4 closed  | |
| 
 Batery select external 4.5VDC  | 
 J5  | 
 pins 5 & 6 closed  | |
| 
 Monitor type select color  | 
 J6  | 
 pins 1 & 2 closed  | |
| 
 Monitor type select monochrome  | 
 J6  | 
 pins 2 & 3 closed  | |
| » | 
 Factory configured - do not alter  | 
 J7  | 
 unknown  | 
| 
 Note:Location of Jumper J7 is unknown.  | |||
| 
 DRAM CONFIGURATION  | ||||||
| 
 Size  | 
 Bank 0(DIP)  | 
 P-0  | 
 Bank 1 (DIP)  | 
 P-1  | 
 Bank 0(SIMM)  | 
 Bank 1 (SIMM)  | 
| 
 512KB 1 | 
 (4) 44256  | 
 (2) 41256  | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 512KB 2 | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (2) 256K x 9  | 
 NONE  | 
| 
 1MB 1 | 
 (4) 44256  | 
 (2) 41256  | 
 (4) 44256  | 
 (2) 41256  | 
 NONE  | 
 NONE  | 
| 
 1MB 2 | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 1.5MB 1 | 
 (4) 44256  | 
 (2) 41256  | 
 (4) 44256  | 
 (2) 41256  | 
 (2) 256K x 9  | 
 NONE  | 
| 
 2MB 2 | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (2) 1M x 9  | 
 NONE  | 
| 
 2MB 1 | 
 (4) 44256  | 
 (2) 41256  | 
 (4) 44256  | 
 (2) 41256  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 4MB 2 | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 Note 1 :Set JP8 and JP9 pins 1 & 2 closed.Note 2 :Set JP8 and JP9 pins 2 & 3 closed. | ||||||