TANDON CORPORATION
PCA/12
|
Processor |
80286 |
|
Processor Speed |
12MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
4MB |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
254mm x 220mm |
|
I/O Options |
Parallel port, serial ports (2), floppy drive interface, IDE interface |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J7 |
IDE interface |
J13 |
|
Speaker |
J9 |
Serial port 2 |
J14 |
|
Reset switch |
J10 |
Serial port 1 |
J15 |
|
Parallel port |
J11 |
Floppy drive interface |
J16 |
|
IDE interface LED |
J12 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
|
High speed clock disabled |
E1 |
Closed |
|
High speed clock enabled |
E1 |
Open | |
|
|
NPU disabled |
E2 |
pins 1 & 2 open |
|
NPU enabled |
E2 |
pins 1 & 2 closed | |
|
|
Factory configured - do not alter |
E3 |
pins 2 & 3 closed |
|
|
256KB - 512KB memory enabled |
SW1/1 |
Off |
|
256KB - 512KB memory disabled |
SW1/1 |
On | |
|
|
512KB - 640KB memory enabled |
SW1/2 |
Off |
|
512KB - 640KB memory disabled |
SW1/2 |
On | |
|
|
Security enabled |
SW1/3 |
Off |
|
Security disabled |
SW1/3 |
On | |
|
|
Factory configured - do not alter |
SW1/4 |
Off |
|
Note: The location of E3 is unidentified. | |||
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
(2) 256K x 9 |
NONE |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |