UNIDENTIFIED 8303 SPHF Data bus: 16-bit, ISA Size: Half-lenght, full-height card Hard drive supported: Two IDE (AT) Interface drives Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB drives [Image] CONNECTIONS Function Location 34-pin control cable connector - floppy drive J1 40-pin IDE (AT) Interface control cable J2 connector-internal 9-pin serial port 2 - internal J3 4-pin connector - drive active LED J4 9-pin serial port 1 - external J5 25-pin parallel port - external J6 USER CONFIGURABLE SETTINGS Function Location Setting » Floppy drive enabled SW1/8 On Floppy drive disabled SW1/8 Off » Hard drive enabled SW1/9 On Hard drive disabled SW1/9 Off » Factory configured setting - do SW1/10 Off not alter » Factory configured setting - do JP1 pins 1 & 2 not alter closed » Factory configured setting - do JP2 pins 2 & 3 not alter closed USER CONFIGURABLE SETTINGS Function Location Setting » Clock speed <= 12MHz JP3 pins 2 & 3 closed Clock speed > 12 Mhz JP3 pins 1 & 2 closed » I/O address ranges = 1F0h-1F7h JP4 pins 1 & 2 and 3F6h-3F7h closed I/O address ranges = 170h-177h JP4 pins 2 & 3 and 376h-377h closed SERIAL PORT CONFIGURATION Port 1 Port 2 SW1/1 SW1/2 SW1/3 » COM1 COM2 Off Off Off COM2 COM1 On On Off Disabled Disabled N/A On On PARALLEL PORT CONFIGURATION Setting SW1/4 SW1/5 SW1/6 SW1/7 » LPT1 Off Off Off On LPT2 Off On On Off Disabled On N/A N/A N/A