ABC COMPUTER COMPANY, LTD. ABCA3291 Data bus: 16-bit, ISA Size: Half-length, full-height card Hard drives supported: Two IDE(AT) drives Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB [Image] CONNECTIONS Function Location 40-pin AT Interface (IDE) connector CN1 2-pin connector-Drive active LED CN2 34-pin control cable connector-floppy drive CN3 10-pin serial port (COM2/4) - internal CN4 10-pin serial port (COM1/3) - internal CN5 15-pin game port - external CN6 25-pin parallel port (LPT1/2) - external CN7 USER CONFIGURABLE SETTINGS Function Location Setting » Floppy drive enabled JP1 pins 2 & 3 closed Floppy drive disabled JP1 pins 1 & 2 closed » Serial Port 1 (CN5) is set to JP6 open COM1 Serial Port 1 (CN5) is set to JP6 closed COM3 » Serial Port 2 (CN4) is set to JP7 open COM2 Serial Port 2 (CN4) is set to JP7 closed COM4 » Game Port (CN6) enabled JP8 pins 2 & 3 closed Game Port (CN6) disabled JP8 pins 1 & 2 closed » Serial Port 2 (CN4) uses IRQ3 JP9 pins 1 & 2 closed Serial Port 2 (CN4) uses IRQ5 JP9 pins 2 & 3 closed » Serial Port 1 (CN5) uses IRQ4 JP10 pins 1 & 2 closed Serial Port 1 (CN5) uses IRQ9 JP10 pins 2 & 3 closed » Parallel Port (CN7) uses IRQ7 JP11 pins 2 & 3 closed Parallel Port (CN7) uses IRQ5 JP11 pins 1 & 2 closed » Hard drive enabled JP12 pins 2 & 3 closed Hard drive disabled JP12 pins 1 & 2 closed SERIAL PORT CONFIGURATION Serial Port 1 (CN5) Serial Port 2 Jumper JP2 Jumper JP3 (CN4) » Enabled Enabled pins 2 & 3 pins 2 & 3 closed closed Disabled Enabled pins 2 & 3 pins 1 & 2 closed closed Enabled Disabled pins 1 & 2 pins 2 & 3 closed closed Disabled Disabled pins 1 & 2 pins 1 & 2 closed closed PARALLEL PORT CONFIGURATION CN7 Jumper JP4 Jumper JP5 LPT1 enabled pins 2 & 3 closed pins 2 & 3 closed LPT2 enabled pins 1 & 2 closed pins 2 & 3 closed Disabled pins 1 & 2 closed pins 1 & 2 closed