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DTC2X77VL

DATA TECHNOLOGY CORPORATION

DTC2X77VL

Data Bus

32-bit VESA Local Bus

Card Size

Three-quarter length, full-height card

Hard Drives supported

Four IDE (AT) drives

Floppy drives supported

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Function

Location

Function

Location

40-pin primary IDE(AT) connector

JP1

34-pin cable connector - floppy drive

JP3

40-pin secondary IDE(AT) connector

JP2

Connector - drive active LED

JP1

USER CONFIGURABLE SETTINGS

Function

Label

Position

Floppy drive interface enabled

JP2/4

Closed

 

Floppy drive interface disabled

JP2/4

Open

Hard drive primary I/O address select

JP2/5

Closed

 

Hard drive secondary I/O address select

JP2/5

Open

Factory configured - do not alter

JP2/6

Closed

BIOS ADDRESS SELECTION

Address

JP2/pins 1 & 2

JP2/pins 3 & 4

JP2/pins 5 & 6

 

C8000h-CBFFFh

Closed

Open

Open

 

CC000h-CEFFEh

Open

Closed

Open

 

D0000h-D3FFEh

Closed

Closed

Open

 

D4000h-D7EEEh

Open

Open

Closed

 

D8000h-DBFFFh

Closed

Open

Closed

DC000h-DEFFFh

Closed

Closed

Closed

 

Disabled

Open

Open

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(2) 256 x 9

None

1KB

(2) 256 x 9

(2) 256 x 9

1.5KB

(2) 256 x 9

(2) 1MB x 9

2MB

(2) 1MB x 9

None

2.5MB

(2) 1MB x 9

(2) 256 x 9

4MB

(2) 1MB x 9

(2) 1MB x 9

8MB

(2) 4MB x 9

None

8.5MB

(2) 4MB x 9

(2) 256 x 9

8.5MB

(2) 256 x 9

(2) 4MB x 9

10MB

(2) 1MB x 9

(2) 4MB x 9

10MB

(2) 4MB x 9

(2) 1MB x 9

16MB

(2) 4MB x 9

(2) 4MB x 9