TOP MICROSYSTEMS, INC.
286 MODEL-1007-200, VER 1.25
| 
 Processor  | 
 80286  | 
| 
 Processor Speed  | 
 12/16/20MHz  | 
| 
 Chip Set  | 
 C & T  | 
| 
 Max. Onboard DRAM  | 
 1MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Phoenix  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 16-bit external memory card slot  | 
| 
 NPU Options  | 
 80287  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Speaker  | 
 J1  | 
 Power LED & keylock  | 
 J4  | 
| 
 Reset switch  | 
 J2  | 
 External battery  | 
 J6  | 
| 
 Turbo LED  | 
 J3  | 
 16-bit external memory card  | 
 S1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 Monitor type select color  | 
 J5  | 
 pins 2 & 3 closed  | 
| 
 Monitor type select monochrome  | 
 J5  | 
 pins 1 & 2 closed  | |
| » | 
 NPU is synchronous with CPU  | 
 J19  | 
 pins 3 & 4 closed  | 
| 
 NPU is synchronous with oscillator installed at U17  | 
 J19  | 
 pins 1 & 2 closed  | |
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 512KB  | 
 (18) 41256  | 
 NONE  | 
| 
 640KB  | 
 (18) 41256  | 
 (18) 4164  | 
| 
 1MB  | 
 (18) 41256  | 
 (18) 41256  |