TOP MICROSYSTEMS, INC.
286 MODEL-1010-200, VER 1.25
Processor |
80286 |
Processor Speed |
12/16/20MHz |
Chip Set |
C & T |
Max. Onboard DRAM |
2MB |
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 |
Bank 2 |
Bank 3 |
512KB |
(4) 44256 |
NONE |
NONE |
NONE |
640KB |
(4) 44256 |
(4) 4464 |
NONE |
NONE |
1MB |
(4) 44256 |
(4) 44256 |
NONE |
NONE |
2MB |
(4) 44256 |
(4) 44256 |
(4) 44256 |
(4) 44256 |
DRAM PARITY CONFIGURATION | ||||
Size |
P 0 |
P 1 |
P 2 |
P 3 |
512KB |
(2) 41256 |
NONE |
NONE |
NONE |
640KB |
(2) 41256 |
(2) 41256 |
(2) 4164 |
NONE |
1MB |
(2) 41256 |
(2) 41256 |
NONE |
NONE |
2MB |
(2) 41256 |
(2) 41256 |
(2) 41256 |
(2) 41256 |