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DTC-2280 PLUS

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, 1.44MB

CONNECTIONS
Function Location
40-pin IDE(AT) interface connector J1
34-pin cable connector - floppy drive J2
9-pin serial port 1 - external J3
10-pin serial port 2 - internal J4
25-pin parallel port - external J5
16-pin game port - internal J6
2-pin connector - drive active LED JP8

 
USER CONFIGURABLE SETTINGS
Function Location Setting
Floppy drives A & B normal JP6/1 pins 1 & 2 closed
     Floppy drives A & B reversed JP6/1 pins 2 & 3 closed
Floppy drive interface address is 3F0h JP6/2 pins 2 & 3 closed
     Floppy drive interface address is 370h JP6/2 pins 1 & 2 closed
IDE(AT) interface enabled JP6/3 pins 1 & 2 closed
     IDE(AT) interface disabled JP6/3 pins 2 & 3 closed
IDE(AT) interface address is 1F0h JP6/4 pins 2 & 3 closed
     IDE(AT) interface address is 170h JP6/4 pins 1 & 2 closed
Floppy drive interface enabled JP6/5 pins 1 & 2 closed
     Floppy drive interface disabled JP6/5 pins 2 & 3 closed
Game port enabled JP16 closed
     Game port disabled JP16 open
Factory configured - do not alter JP17 N/A
Factory configured - do not alter JP18 N/A
Hard drive interrupt IRQ14 select JP19 pins 1 & 2 closed
     Hard drive interrupt IRQ15 select JP19 pins 2 & 3 closed
Factory configured - do not alter JP20 N/A
Factory configured - do not alter JP24 N/A
Factory configured - do not alter JP25 N/A

 
SERIAL PORT 1 CONFIGURATION
Port 1 JP9/1 JP9/2
COM1 pins 1 & 2 closed pins 2 & 3 closed
     COM3 pins 2 & 3 closed pins 1 & 2 closed
     Disabled pins 2 & 3 closed pins 2 & 3 closed

 
SERIAL PORT 2 CONFIGURATION
Port 2 JP9/3 JP9/4
COM2 pins 1 & 2 closed pins 2 & 3 closed
     COM4 pins 2 & 3 closed pins 1 & 2 closed
     Disabled pins 2 & 3 closed pins 2 & 3 closed

 
PARALLEL PORT CONFIGURATION
LPT JP9/5 JP9/6
1(378h) pins 2 & 3 closed pins 1 & 2 closed
     2(278h) pins 1 & 2 closed pins 2 & 3 closed
     3( BCh) pins 1 & 2 closed pins 1 & 2 closed

 
SERIAL PORT 1 INTERRUPT SELECTION
IRQ JP12/1 JP12/2 JP12/3
IRQ4 closed open open
     IRQ3 open closed open
     IRQ5 open open closed

 
SERIAL PORT 2 INTERRUPT SELECTION
IRQ JP12/4 JP12/5 JP12/6
IRQ3 closed open open
     IRQ4 open closed open
     IRQ5 open open closed

 
PARALLEL PORT INTERRUPT SELECTION
IRQ JP12/7 JP12/8
7 closed open
     5 open closed

 
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