IBM CORPORATION
PC/AT MODEL 5170-239
|
Processor |
80286 |
|
Processor Speed |
6MHz |
|
Chip Set |
None |
|
Max. Onboard DRAM |
512KB |
|
Cache |
None |
|
BIOS |
IBM |
|
Dimensions |
355mm x 304mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J19 |
External battery |
J21 |
|
Power LED & keylock |
J20 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
| » |
14MHz adjust |
C26 |
N/A |
| » |
Monitor type select color |
SW1 |
On |
| » |
Monitor type select monochrome |
SW1 |
Off |
|
Note:Variable resistor C26 should not be altered except by competently trained technicians. | |||
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
P-0 |
Bank 1 |
P-0 |
|
256KB |
(16) ZA1250NL |
(2) ZA1250NL |
NONE |
NONE |
|
512KB |
(16) ZA1250NL |
(2) ZA1250NL |
(16) ZA1250NL |
(2) ZA1250NL |
|
DRAM JUMPER CONFIGURATION | |
|
Size |
J18 |
|
256KB |
pins 1 & 2 closed |
|
512KB |
pins 2 & 3 closed |
|
BIOS CONFIGURATION | |
|
Size |
U131 |
|
2716 |
pins 1 & 8, 2 & 7 closed |
|
2732 |
pins 3 & 6, 4 & 5 closed |