TEXAS INSTRUMENTS
SYSTEM 1200/1300
Processor |
80386DX |
Processor Speed |
16/20MHz |
Chip Set |
Texas Instruments |
Max. onboard DRAM |
8MB |
Cache |
None |
BIOS |
Texas Instruments |
Dimensions |
260mm x 220mm |
I/O Options |
External memory slot, parallel port, serial port |
NPU Options |
80387DX |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External memory slot |
J3 |
CMOS battery |
J10 |
Serial port |
J8 |
Optional keyboard connector |
J11 |
Parallel port |
J9 |
USER CONFIGURABLE SETTINGS | |||
Function |
Switch |
Position | |
Monitor type select color |
SW1/switch 1 |
On | |
Monitor type select monochrome |
SW1/switch 1 |
Off | |
NPU enabled |
SW1/switch 2 & 3 |
On | |
NPU disabled |
SW1/switch 2 & 3 |
Off | |
NPU synchronous with CPU |
SW1/switch 4 |
Off | |
NPU asynchronous |
SW1/switch 4 |
On |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(4) 256K x 9 |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
NONE |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
LED CONFIGURATION | ||||
Red1 |
Yel. |
Gre. |
Red2 |
Item failed |
On |
On |
On |
On |
CPU |
On |
On |
On |
Off |
8142 test keyboard |
On |
On |
Off |
On |
8254 timer 1 test |
On |
On |
Off |
Off |
ROM CRC check |
On |
Off |
On |
On |
CMOS RAM test |
On |
Off |
On |
Off |
Memory refresh test |
On |
Off |
Off |
On |
0 - 256K RAM test |
On |
Off |
Off |
Off |
Turbo mode test |
Off |
Off |
Off |
Off |
Turbo parity error |
Off |
Off |
Off |
On |
Nonturbo parity error |
Off |
On |
On |
On |
8259 test |
Off |
On |
On |
On |
8254 timer interrupt |
Off |
On |
On |
Off |
Protected mode test |
Off |
On |
Off |
On |
8254 timer 2 test |
Off |
On |
Off |
Off |
DMA test |