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T-100 (CD-XT001)

NEC TECHNOLOGIES, INC.

T-100 (CD-XT001)

Card Type

Hard drive controller

Hard Drives supported

Up to 7 SCSI devices

Floppy drives supported

None

Data Bus

8-bit ISA

Card Size

Half-length, full-height

CONNECTIONS

Function

Label

Function

Label

50-pin SCSI connector - internal

J2

25-pin SCSI connector - external

P1

USER CONFIGURABLE SETTINGS

Function

Label

Position

Boot ROM disabled

SW1/1

Off

 

Boot ROM enabled

SW1/1

On

Parity disabled

SW1/4

Off

 

Parity enabled

SW1/4

On

DMA CHANNEL SELECTION

Channel

JP1

1

Pins 7 & 9, 8 & 10 closed

3

Pins 9 & 11, 10 & 12 closed

Disabled

Pins 7 - 12 open

BOOT ROM ADDRESS SELECTION

Setting

SW1/2

SW1/3

C8000h

On

On

 

CA000h

On

Off

 

CC000h

Off

On

 

CE000h

Off

Off

I/O ADDRESS SELECTION

Setting

SW1/5

SW1/6

 

320h

On

On

 

324h

Off

On

328h

On

Off

 

32Ch

Off

Off

INTERRUPT SELECTION

Setting

JP1/pins 1 & 3

JP1/pins 2 & 4

JP1/pins 3 & 5

JP1/pins 4 & 6

IRQ3

Closed

Open

Open

Open

IRQ5

Open

Closed

Open

Open

IRQ6

Open

Open

Closed

Open

IRQ7

Open

Open

Open

Closed

Disabled

Open

Open

Open

Open

MISCELLANEOUS TECHNICAL NOTES

The T-100 should not be installed in a 486 or faster system.