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 |