UNIDENTIFIED
C & T TURBO MAINBOARD
Processor | 80286 |
Processor Speed | 12 MHz |
Chip Set | C & T |
Max. Onboard DRAM | 4MB |
Cache | None |
BIOS | AMI/C & T |
Dimensions | 260mm x 220mm |
I/O Options | None |
NPU Options | 80287 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | BAT | Turbo LED | JP1 |
Power LED & keylock | J1 | Reset switch | JP2 |
Speaker | J2 | Turbo switch | JP3 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | NPU synchronous with CPU | JP4 | pins 1 & 2 closed |
NPU asynchronous with CPU | JP4 | pins 2 & 3 closed | |
» | Monitor type select color | JP6 | pins 2 & 3 closed |
Monitor type select monochrome | JP6 | pins 1 & 2 closed | |
» | Power good signal detect from power supply | JP7 | pins 2 & 3 closed |
Power good signal detect from board | JP7 | pins 1 & 2 closed |
DRAM CONFIGURATION (DIP) | ||
Size | Bank 0 | Bank 1 |
512KB | (4) 44256 | NONE |
640KB | (4) 44256 | (4) 4464 |
1MB | (4) 44256 | (4) 44256 |
DRAM PARITY CONFIGURATION (DIP) | ||
Size | P0 | P1 |
512KB | (2) 41256 | NONE |
640KB | (2) 41256 | (2) 4164 |
1MB | (2) 41256 | (2) 41256 |
DRAM CONFIGURATION (SIP) | ||
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 |