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DTK COMPUTER, INC.

PTI-227

Data bus: 16-bit, ISA
Size: Half-length, full-height card
Hard drives supported: Two IDE (AT) Interface drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB or 1.44MB drives

CONNECTIONS
Function Location
40-pin IDE (AT) Interface connector JP1
2-pin connector-Drive Active LED JP2
34-pin control cable connector-floppy drive JP9
15-pin game port-internal JP10
9-pin serial port 2 (COM2)-internal JP11
9-pin serial port 1 (COM1)-external JP12
25-pin parallel port-external JP13

 
USER CONFIGURABLE SETTINGS
Function Location Setting
Single IDE drive on chain JP3 closed
     Two IDE drives on chain JP3 open
Parallel port (CN13) is an output port JP4 closed
     Parallel port (CN13) is an input or output port JP4 open
Supports IBM BIOS JP5 pins 2 & 3 closed
     Supports other BIOS JP5 pins 1 & 2 closed
Hard drive port address is 1F0-1F7h, 3F6-3F7h JP7/jumper 1 pins 1 & 2 closed
     Hard drive port address is 170-177h, 376-377h JP7/jumper 1 pins 2 & 3 closed
Floppy drive assignment changed (A: = B:; B: = A:) JP7/jumper 2 pins 1 & 2 closed
     Floppy drive assignment normal JP7/jumper 2 pins 2 & 3 closed
Floppy drive port address is 3F0-3F7h JP7/jumper 3 pins 1 & 2 closed
     Floppy drive port address is 370-377h JP7/jumper 3 pins 2 & 3 closed
Hard drive enabled JP7/jumper 4 pins 2 & 3 closed
     Hard drive disabled JP7/jumper 4 pins 1 & 2 closed
Floppy drive enabled JP7/jumper 5 pins 2 & 3 closed
     Floppy drive disabled JP7/jumper 5 pins 1 & 2 closed
AT compatible JP7/jumper 6 pins 2 & 3 closed
     XT compatible JP7/jumper 6 pins 1 & 2 closed

 
SERIAL PORT 1 CONFIGURATION
COM JP6/jumper 1 JP6/jumper 2
COM1 (3F8) pins 2 & 3 closed pins 1 & 2 closed
     COM3 (3E8) pins 1 & 2 closed pins 2 & 3 closed
     COM4 (2E8) pins 2 & 3 closed pins 2 & 3 closed
     Disabled pins 1 & 2 closed pins 1 & 2 closed

 
SERIAL PORT 1 INTERRUPT REQUEST
IRQ JP8/jumper 1 JP8/jumper 2 JP8/jumper 3
IRQ4 closed open open
     IRQ3 open closed open
     IRQ5 open open closed

 
SERIAL PORT 2 CONFIGURATION
COM JP6/jumper 3 JP6/jumper 4
COM2 (2F8) pins 2 & 3 closed pins 1 & 2 closed
     COM3 (3E8) pins 2 & 3 closed pins 2 & 3 closed
     COM4 (2E8) pins 1 & 2 closed pins 2 & 3 closed
     Disabled pins 1 & 2 closed pins 1 & 2 closed

 
SERIAL PORT 2 INTERRUPT REQUEST
IRQ JP8/jumper 4 JP8/jumper 5 JP8/jumper 6
IRQ3 closed open open
     IRQ4 open closed open
     IRQ5 open open closed

 
PARALLEL PORT CONFIGURATION
LPT JP6/jumper 5 JP6/jumper 6
LPT1 (378) pins 1 & 2 closed pins 2 & 3 closed
     LPT1 (3BC) pins 2 & 3 closed pins 2 & 3 closed
     LPT2 (278) pins 2 & 3 closed pins 1 & 2 closed
     Disabled pins 1 & 2 closed pins 1 & 2 closed

 
PARALLEL PORT INTERRUPT REQUEST
IRQ JP8/jumper 5 JP8/jumper 6
IRQ7 closed open
     IRQ5 open closed

 
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