DTK COMPUTER, INC. PTI-255W (VER. 1.01) Data bus: 32-bit VL-bus Size: Three-quarter length, half-height card Hard drive supported: Four IDE(AT) drives Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB drives [Image] CONNECTIONS Function Location 40-pin primary IDE(AT) connector J1 40-pin secondary IDE(AT) connector J2 34-pin cable connector - floppy drive J3 16-pin game port J4 10-pin serial port 1 - internal, 9-pin J5 serial port 1 - external 10-pin serial port 2 - internal J6 25-pin Parallel port J7 2-pin connector - drive active LED J8 DRIVE SPEED CONFIGURATION Speed JP1/4 JP1/5 » 600ns pins 1 & 2 closed pins 1 & 2 closed 500ns pins 2 & 3 closed pins 1 & 2 closed 400ns pins 1 & 2 closed pins 2 & 3 closed 240ns pins 2 & 3 closed pins 2 & 3 closed USER CONFIGURABLE SETTINGS Function Location Setting » Secondary IDE(AT) IOCHRDY JP3 open signal disabled Secondary IDE(AT) IOCHRDY JP3 closed signal enabled » Primary IDE(AT) IOCHRDY signal JP4 closed enabled Primary IDE(AT) IOCHRDY signal JP4 open disabled » Parallel port is JP6 closed unidirectional Parallel port is JP6 open bi-directional » Game port enabled JP8 closed Game port disabled JP8 open » IDE(AT) interface enabled JP1/1 pins 1 & 2 closed IDE(AT) interface disabled JP1/1 pins 2 & 3 closed » IDE(AT) address is 170h & 1F0h JP1/2 pins 1 & 2 closed IDE(AT) address is 1F0h JP1/2 pins 2 & 3 closed » CPU speed is 50MHz JP1/3 pins 1 & 2 closed CPU speed is 33MHz JP1/3 pins 2 & 3 closed » Floppy drive order is normal JP2/1 pins 1 & 2 (A:, B:) closed Floppy drive order is reversed JP2/1 pins 2 & 3 (B:, A:) closed » Floppy drive address is 3F0h JP2/2 pins 1 & 2 closed Floppy drive address is 370h JP2/2 pins 2 & 3 closed » Floppy drive interface enabled JP2/3 pins 1 & 2 closed Floppy drive interface JP2/3 pins 2 & 3 disabled closed SERIAL PORT 1 ADDRESS SELECTION COM JP5/1 JP5/2 » COM1 (3F8h) pins 1 & 2 closed pins 1 & 2 closed COM3 (3E8h) pins 2 & 3 closed pins 2 & 3 closed COM4 (2E8h) pins 1 & 2 closed pins 2 & 3 closed Disabled pins 2 & 3 closed pins 1 & 2 closed SERIAL PORT 2 ADDRESS SELECTION COM JP5/3 JP5/4 » COM2 (2F8h) pins 1 & 2 closed pins 1 & 2 closed COM3 (3E8h) pins 1 & 2 closed pins 2 & 3 closed COM4 (2E8h) pins 2 & 3 closed pins 2 & 3 closed Disabled pins 2 & 3 closed pins 1 & 2 closed PARALLEL PORT ADDRESS SELECTION LPT JP5/5 JP6/6 » LPT1 (378h) pins 1 & 2 closed pins 1 & 2 closed LPT2 (278h) pins 2 & 3 closed pins 2 & 3 closed LPT3 (3BCh) pins 2 & 3 closed pins 1 & 2 closed Disabled pins 1 & 2 closed pins 2 & 3 closed PARALLEL PORT INTERRUPT SELECTION IRQ JP7/1 JP7/1 » 7 closed open 5 open closed