NCR CORPORATION
MODEL 3279-0XXX PC8 (REV. 03-92)
|
Processor |
80286 |
|
Processor Speed |
6/8MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
14MB (on external memory card) |
|
Maximum Video Memory |
None |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
355mm x 304mm |
|
I/O Options |
External memory card |
|
NPU Options |
80287 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Monitor type select color |
SW1 |
On |
|
Monitor type select monochrome |
SW1 |
Off | |
|
|
Power on frequency speed select 8MHz |
SW2 |
On |
|
Power on frequency speed select 6MHz |
SW2 |
Off | |
|
|
Number of BIOS installed 2 installed |
U101 |
Pins 1 & 8, 2 & 7 closed |
|
Number of BIOS installed 4 installed |
U101 |
Pins 3 & 6, 4 & 5 closed | |
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
256KB |
256KB |
None |
None |
|
512KB |
256KB |
256KB |
None |
|
640KB |
256KB |
256KB |
128KB |
|
Note: The size of the DRAM chips are unidentified. | |||
|
DRAM JUMPER CONFIGURATION | ||
|
Size |
P17 |
P18 |
|
256KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
512KB |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
640KB |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
Jumper information unavailable |
P1 |
Unidentified | |
|
DRAM CONFIGURATION |
|
Note: The size of the DRAM chips are unidentified. |
|
DRAM SWITCH CONFIGURATION | |||||
|
Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
|
None |
On |
On |
On |
Off |
On |
|
0.5MB |
On |
On |
On |
Off |
Off |
|
1.0MB |
On |
On |
Off |
On |
On |
|
1.5MB |
On |
On |
Off |
On |
Off |
|
2.0MB |
On |
On |
Off |
Off |
On |
|
2.5MB |
On |
On |
Off |
Off |
Off |
|
3.0MB |
On |
Off |
On |
On |
On |
|
3.5MB |
On |
Off |
On |
On |
Off |
|
4.0MB |
On |
Off |
On |
Off |
On |
|
4.5MB |
On |
Off |
On |
Off |
Off |
|
5.0MB |
On |
Off |
Off |
On |
On |
|
5.5MB |
On |
Off |
Off |
On |
Off |
|
6.0MB |
On |
Off |
Off |
Off |
On |
|
6.5MB |
On |
Off |
Off |
Off |
Off |
|
7.0MB |
Off |
On |
On |
On |
On |
|
7.5MB |
Off |
On |
On |
On |
Off |
|
8.0MB |
Off |
On |
On |
Off |
On |
|
8.5MB |
Off |
On |
On |
Off |
Off |
|
9.0MB |
Off |
On |
Off |
On |
On |
|
9.5MB |
Off |
On |
Off |
On |
Off |
|
10.0MB |
Off |
On |
Off |
Off |
On |
|
10.5MB |
Off |
On |
Off |
Off |
Off |
|
11.0MB |
Off |
Off |
On |
On |
On |
|
11.5MB |
Off |
Off |
On |
On |
Off |
|
12.0MB |
Off |
Off |
On |
Off |
On |
|
12.5MB |
Off |
Off |
On |
Off |
Off |
|
13.0MB |
Off |
Off |
Off |
On |
On |
|
13.5MB |
Off |
Off |
Off |
On |
Off |
|
14.0MB |
Off |
Off |
Off |
Off |
On |
|
DRAM SWITCH CONFIGURATION (CONT) | |||||
|
Size |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
|
None |
On |
On |
On |
Off |
Off |
|
0.5MB |
On |
On |
Off |
On |
On |
|
1.0MB |
On |
On |
Off |
On |
Off |
|
1.5MB |
On |
On |
Off |
Off |
On |
|
2.0MB |
On |
On |
Off |
Off |
Off |
|
2.5MB |
On |
Off |
On |
On |
On |
|
3.0MB |
On |
Off |
On |
On |
Off |
|
3.5MB |
On |
Off |
On |
Off |
On |
|
4.0MB |
On |
Off |
On |
Off |
Off |
|
4.5MB |
On |
Off |
Off |
On |
On |
|
5.0MB |
On |
Off |
Off |
On |
Off |
|
5.5MB |
On |
Off |
Off |
Off |
On |
|
6.0MB |
On |
Off |
Off |
Off |
Off |
|
6.5MB |
Off |
On |
On |
On |
On |
|
7.0MB |
Off |
On |
On |
On |
Off |
|
7.5MB |
Off |
On |
On |
Off |
On |
|
8.0MB |
Off |
On |
On |
Off |
Off |
|
8.5MB |
Off |
On |
Off |
On |
On |
|
9.0MB |
Off |
On |
Off |
On |
Off |
|
9.5MB |
Off |
On |
Off |
Off |
On |
|
10.0MB |
Off |
On |
Off |
Off |
Off |
|
10.5MB |
Off |
Off |
On |
On |
On |
|
11.0MB |
Off |
Off |
On |
On |
Off |
|
11.5MB |
Off |
Off |
On |
Off |
On |
|
12.0MB |
Off |
Off |
On |
Off |
Off |
|
12.5MB |
Off |
Off |
Off |
On |
On |
|
13.0MB |
Off |
Off |
Off |
On |
Off |
|
13.5MB |
Off |
Off |
Off |
Off |
On |
|
14.0MB |
N/A |
N/A |
N/A |
N/A |
N/A |