ABC COMPUTER COMPANY, LTD. 16 BIT MULTI-I/O Data bus: 16-bit, ISA Size: Half-length, full-height card Hard drive supported: Two IDE (AT) Interface drives Floppy drives supported: Four 360KB, 720KB, 1.2MB, or 1.44MB drives [Image] CONNECTIONS Function Location 34-pin control cable connector - floppy drive J1 34-pin control cable connector - floppy J2 drive/tape drive 2-pin connector - Drive active LED J3 40-pin IDE(AT) Interface connector J4 10-pin serial port (COM1/3) - internal J5 10-pin serial port (COM2/4) - internal J6 15-pin game port - external J7 25-pin parallel port (LPT1/2) - external J8 USER CONFIGURABLE SETTINGS Function Location Setting » Disk change signal is set to JP1 closed normal operation Disk change signal is set to JP1 open diagnostic mode » I/O Channel Ready signal JP2 closed disabled I/O Channel Ready signal JP2 open enabled » Game Port (J7) enabled JP10 closed Game Port (J7) disabled JP10 open PARALLEL PORT (J8) CONFIGURATION LPT/IRQ JP3 JP6 JP9 » LPT1/IRQ7 on off pins 2 & 3 closed LPT2/IRQ5 off on pins 1 & 2 closed Disabled off off n/a SERIAL PORT 2 (J6) CONFIGURATION COM/IRQ JP4 JP7 » COM2/IRQ3 closed pins 1 & 2 closed COM4/IRQ5 open pins 2 & 3 closed SERIAL PORT 1 (J5) CONFIGURATION COM/IRQ JP5 JP8 » COM1/IRQ4 closed pins 1 & 2 closed COM3/IRQ9 open pins 2 & 3 closed