UNIDENTIFIED
PRIME-2 SUPER I/O
| Data bus: | 16-bit, ISA | 
| Size: | Half-length, full-height card | 
| Hard drives 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 | 
| 34-pin control cable connector - floppy drive | CN4 | 
| 40-pin IDE (AT) Interface connector | CN5 | 
| 4-pin connector - drive active LED | CN6 | 
| Game port | CN7 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Location | Setting | |
| » | Floppy drive enabled | JP1 | Pins 1 & 2 closed | 
| Floppy drive disabled | JP1 | Pins 2 & 3 closed | |
| Floppy drive address is 3FC-3F7h | JP2 | Pins 1 & 2 closed | |
| Floppy drive address is 370-377h | JP2 | Pins 2 & 3 closed | |
| » | IDE port enabled | JP3 | Pins 1 & 2 closed | 
| IDE port disabled | JP3 | Pins 2 & 3 closed | |
| » | IDE(AT) port address is 1F0-1F7, 3F0-3F7h | JP4 | Pins 1 & 2 closed | 
| IDE(AT) port address is 170-177, 370-377h | JP4 | Pins 2 & 3 closed | |
| » | IDE(XT) port address is 320-323h | JP5 | Pins 1 & 2 closed | 
| IDE(XT) port address is 324-327h | JP5 | Pins 2 & 3 closed | |
| » | IDE port is IDE (AT) | JP6 | Pins 1 & 2 closed | 
| IDE port is IDE (XT) | JP6 | Pins 2 & 3 closed | |
| SERIAL PORT 1 CONFIGURATION | |||
| COM/Address | JP7 | JP8 | |
| » | COM1/3F8h | Pins 1 & 2 closed | Pins 1 & 2 closed | 
| COM3/3E8h | Pins 1 & 2 closed | Pins 2 & 3 closed | |
| Disabled | Pins 2 & 3 closed | N/A | |
| SERIAL PORT 2 CONFIGURATION | |||
| COM/Address | JP9 | JP10 | |
| » | COM2/2F8h | Pins 1 & 2 closed | Pins 1 & 2 closed | 
| COM4/2E8h | Pins 1 & 2 closed | Pins 2 & 3 closed | |
| Disabled | Pins 2 & 3 closed | N/A | |
| PARALLEL PORT CONFIGURATION | |||
| LPT/Address | JP11 | JP12 | |
| » | LPT1/378h | Pins 1 & 2 closed | Pins 1 & 2 closed | 
| LPT2/278h | Pins 1 & 2 closed | Pins 2 & 3 closed | |
| Disabled | Pins 2 & 3 closed | N/A | |
| MISCELLANEOUS TECHNICAL NOTE | 
| The function of J2 is unidentified. |