UNIDENTIFIED
STM S286
| 
 Processor  | 
 80286  | 
| 
 Processor Speed  | 
 6/8MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Video Chip Set  | 
 None  | 
| 
 Maximum Onboard Memory  | 
 640KB  | 
| 
 Maximum Video Memory  | 
 None  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 330mm x 300mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 80287  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Speaker  | 
 J19  | 
 External battery  | 
 J21  | 
| 
 Power LED & keylock  | 
 J20  | 
 Chassis fan power  | 
 J101  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 Factory configured - do not alter  | 
 J17  | 
 Unidentified  | 
| 
 Monitor type select color  | 
 J100  | 
 Pins 1 & 2 closed  | |
| 
 Monitor type select monochrome  | 
 J100  | 
 Pins 2 & 3 closed  | |
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 640KB  | 
 (18) 41256  | 
 (18) 4164  | 
| 
 Note: The location of banks 0 & 1 are unidentified.  | ||
| 
 CPU SPEED SELECTION  | |
| 
 Speed  | 
 J102  | 
| 
 6MHz  | 
 Closed  | 
| 
 8MHz  | 
 Open  | 
| 
 NPU SPEED SELECTION  | |
| 
 Speed  | 
 J103  | 
| 
 4.77MHz  | 
 Pins 1 & 2 closed  | 
| 
 8MHz  | 
 Pins 2 & 3 closed  | 
| 
 BIOS SELECTION  | |
| 
 Type  | 
 J18  | 
| 
 27128  | 
 Pins 1 & 2, 3 & 4 closed  | 
| 
 27256  | 
 Pins 5 & 6, 7 & 8 closed  | 
| 
 MISCELLANEOUS TECHNICAL NOTE  | 
| 
 Note: This board has 6 16-bit slots and 2 8-bit slots.  |