NCR CORPORATION
MODEL 3278-XXXX PC710/3392
|
Processor |
80286 (exact location unidentified) |
|
Processor Speed |
6/10MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
640KB (on mainboard), (16MB on external memory card) |
|
Maximum Video Memory |
None |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
Unidentified |
|
I/O Options |
Expansion slot |
|
NPU Options |
80287 (exact location unidentified) |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J2 |
Auxiliary keyboard connector |
J5 |
|
Keylock |
J3 |
Expansion slot |
JM1 |
|
Volume control |
J4 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
BIOS type select 32KB |
J1 |
Pins 3 & 6, 4 & 5 closed |
|
BIOS type select 16KB |
J1 |
Pins 1 & 8, 2 & 7 closed | |
|
|
Wait state select 1 wait state |
JP1 |
Pins 1 & 2 closed |
|
Wait state select 0 wait states |
JP1 |
Pins 2 & 3 closed | |
|
|
10MHz CPU speed enabled |
JP2 |
Pins 1 & 2 closed |
|
10MHz CPU speed disabled |
JP2 |
Pins 2 & 3 closed | |
|
|
Memory expansion card installed |
JP5 |
Pins 1 & 2 closed |
|
Memory expansion card not installed |
JP5 |
Pins 2 & 3 closed | |
|
Monitor type select graphics display |
S1 |
Left | |
|
Monitor type select alphanumeric display |
S1 |
Right | |
|
|
Power on speed select 10MHz |
S2 |
Pins 1 & 2 closed |
|
Power on speed select 6MHz |
S2 |
Pins 2 & 3 closed | |
|
DRAM CONFIGURATION |
|
Note: The location of the memory is unidentified. Board accepts 256KB or 512KB memory. |
|
DRAM JUMPER CONFIGURATION | |
|
Size |
JP3 |
|
256KB |
Pins 2 & 3 closed |
|
512KB |
Pins 1 & 2 closed |
|
DRAM JUMPER CONFIGURATION | |
|
Setting |
JP4 |
|
All onboard memory enabled |
Pins 1 & 2 closed |
|
All onboard memory disabled |
Pins 2 & 3 closed |