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 [Image] 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 JP2 Pins 1 & 2 3FC-3F7h closed Floppy drive address is JP2 Pins 2 & 3 370-377h closed » IDE port enabled JP3 Pins 1 & 2 closed IDE port disabled JP3 Pins 2 & 3 closed » IDE(AT) port address is JP4 Pins 1 & 2 1F0-1F7, 3F0-3F7h closed IDE(AT) port address is JP4 Pins 2 & 3 170-177, 370-377h closed » IDE(XT) port address is JP5 Pins 1 & 2 320-323h closed IDE(XT) port address is JP5 Pins 2 & 3 324-327h 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.