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UNIDENTIFIED SAB-757
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| Data bus: | 16-bit, ISA |
| Size: | Half-length, full-height card |
| Hard drive supported: | Two IDE (AT) interface drives |
| Floppy drives supported: | Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
| CONNECTIONS |
| Function | Location |
| 25-pin parallel port | CN1 |
| 9-pin serial port 1 - external | CN2 |
| 10-pin serial port 2 - internal | CN3 |
| Game port | CN4 |
| 34-pin control cable connector - floppy drive | CN5 |
| 40-pin IDE (AT) Interface connector | CN6 |
| 2-pin connector - drive active LED | JP5 |
| USER CONFIGURABLE SETTINGS |
| Function | Location | Setting |
| » | IDE port enabled | JP1/jumper A | Pins 2 & 3 closed |
| | IDE port disabled | JP1/jumper A | Pins 1 & 2 closed |
| » | Floppy drive enabled | JP1/jumper B | Pins 2 & 3 closed |
| | Floppy drive disabled | JP1/jumper B | Pins 1 & 2 closed |
| SERIAL PORT 1 CONFIGURATION |
| COM/Address | JP1/Jumper C | JP1/Jumper D |
| » | COM1/3F8h | Pins 2 & 3 closed | Pins 1 & 2 closed |
| | COM3/3E8h | Pins 1 & 2 closed | Pins 2 & 3 closed |
| | COM4/2E8h | Pins 2 & 3 closed | Pins 2 & 3 closed |
| | Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
| SERIAL PORT 2 CONFIGURATION |
| COM/Address | JP1/Jumper E | JP1/Jumper F |
| » | COM2/2F8h | Pins 2 & 3 closed | Pins 1 & 2 closed |
| | COM3/3E8h | Pins 2 & 3 closed | Pins 2 & 3 closed |
| | COM4/2E8h | Pins 1 & 2 closed | Pins 2 & 3 closed |
| | Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
| PARALLEL PORT CONFIGURATION |
| LPT/Address | JP1/Jumper G | JP1/Jumper H |
| » | LPT1/3BCh | Pins 2 & 3 closed | Pins 2 & 3 closed |
| | LPT2/378h | Pins 1 & 2 closed | Pins 2 & 3 closed |
| | LPT3/278h | Pins 2 & 3 closed | Pins 1 & 2 closed |
| | Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
| PARALLEL PORT INTERRUPT SELECT |
| IRQ | JP1 |
| » | IRQ7 | Pins 2 & 3 closed |
| | IRQ5 | Pins 1 & 2 closed |
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