UNIDENTIFIED IDE PLUS-V2 Data bus: 16-bit, ISA Size: Half-length, half-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 25-pin parallel port (LPT1/2) - external CN1 15-pin game port - external CN2 10-pin serial port (COM1/3) - internal CN3 10-pin serial port (COM2/4) - internal CN4 2-pin connector - drive active LED CN5 34-pin control cable connector - floppy drive CN6 40-pin IDE (AT) Interface connector CN7 USER CONFIGURABLE SETTINGS Function Location Setting Floppy drive - enabled JP6 pins 1 & 2 closed Floppy drive - disabled JP6 pins 2 & 3 closed Factory configured setting - do JP7 pins 1 & 2 not alter closed Game port - enabled JP8 pins 1 & 2 closed Game port - disabled JP8 pins 2 & 3 closed PARALLEL PORT ADDRESS Setting JP1 JP2 378h pins 1 & 2 closed pins 1 & 2 closed 278h pins 1 & 2 closed pins 2 & 3 closed 3BCh pins 2 & 3 closed pins 1 & 2 closed Disable pins 2 & 3 closed pins 2 & 3 closed SERIAL PORT SELECT Serial 1 Serial 2 JP3 JP4 JP5 Primary Secondary pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed Secondary Primary pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed Primary Disabled pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed Secondary Disabled pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed Disabled Disabled pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed Disabled Disabled pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed SERIAL PORTS COM SELECT Serial 1 Serial 2 JP9 JP12 COM3 COM2 pins 1 & 2 pins 1 & 2 closed closed COM1 COM4 pins 1 & 2 pins 2 & 3 closed closed COM3 COM4 pins 2 & 3 pins 1 & 2 closed closed COM1 COM2 pins 2 & 3 pins 2 & 3 closed closed HARD DRIVE SELECT Setting JP10 JP11 Enabled pins 1 & 2 closed pins 1 & 2 closed Disabled pins 2 & 3 closed pins 2 & 3 closed SERIAL PORT 1 INTERRUPT SELECT IRQ JP15/A JP15/B JP15/C JP15/D JP15/E » IRQ4 open closed open open open IRQ3 closed open open open open IRQ5 open open closed open open IRQ7 open open open closed open IRQ9 open open open open closed SERIAL PORT 2 INTERRUPT SELECT IRQ JP16/A JP16/B JP16/C JP16/D JP16/E » IRQ3 closed open open open open IRQ4 open closed open open open IRQ5 open open closed open open IRQ7 open open open closed open IRQ9 open open open open closed PARALLEL PORT INTERRUPT SELECT IRQ JP17/A JP17/B JP17/C JP17/D JP17/E » IRQ7 open open open closed open IRQ3 closed open open open open IRQ4 open closed open open open IRQ5 open open closed open open IRQ9 open open open open closed