HwMuseum | Index

DATA TECHNOLOGY CORPORATION

DTC5150CI, DTC5150CX

Data bus: 8 bit, ISA

Size: Three-quarter length, full-height card.

Hard drives supported: Two MFM ST506/412 drives

Floppy drives supported: None

The DTC5150CX

CONNECTIONS

Function

Location

34-pin control cable connector-hard drive

CN1

20-pin data cable connector-drive 0

CN2

20-pin data cable connector-drive 1

CN3

BIOS ADDRESS

Address

JP2/jumper 1

JP2/jumper 2

JP2/jumper 3

BIOS Disabled

open

open

open

C800h

closed

open

open

D000h

closed

open

closed

D800h

closed

closed

open

F400h

closed

closed

closed

MISCELLANEOUS TECHNICAL NOTES

The locations of JP2 and SW1 are slightly different on the DTC5150CI,

and JP1, is a factory test jumper, and should Not be altered

DRIVE TYPE SWITCH SETTINGS FOR THE "BXD06" BIOS

 

Form

Switch 1

Switch 2

Switch 5

Switch 6

 

Cap./Hds./Cyls./WPC

Switch 3

Switch 4

Switch 7

Switch 8

0

35MB/ 8 / 512 / none

on

on

on

on

1

10MB/ 2 / 615 / none

off

on

on

on

2

20MB/ 4 / 612 / 128

on

off

on

on

3

10MB/ 4 / 306 / none

off

off

on

on

4

5MB/ 2 / 306 / none

on

on

off

on

5

26MB/8 / 375 / none

off

on

off

on

6

20MB/ 8 / 306 / none

on

off

off

on

7

Reserved for non-standard

off

off

off

on

8

15MB/ 6 / 306 / none

on

on

on

off

9

27MB/ 6 / 512 / none

off

on

on

off

A

10MB/ 2 / 612 / none

on

off

on

off

B

22MB/ 4 / 640 / none

off

off

on

off

C

18MB/ 3 / 697 / none

on

on

off

off

D

30MB/ 5 / 697 / none

off

on

off

off

E

33MB/ 6 / 640 / none

on

off

off

off

F

Special Setting

off

off

off

off

Switches S1/1, 2, 5, and 6 set the Drive Type for Drive 2

Switches S1/3, 4, 7, and 8 set the Drive Type for Drive 1

DRIVE TYPE SWITCH SETTINGS FOR THE "BXD07" BIOS

 

Form Cap./Hds./Cyls./WPC

Switch 1

Switch 3

Switch 2

Switch 4

Switch 5

Switch 7

Switch 6

Switch 8

0

20MB/ 4 / 612 / none

on

on

on

on

1

32MB/ 5 / 733 / none

off

on

on

on

2

20MB/ 4 / 612 / 128

on

off

on

on

3

10MB/ 4 / 306 / none

off

off

on

on

4

43MB/ 5 / 987 / none

on

on

off

on

5

60MB/ 7 / 987 / none

off

on

off

on

6

20MB/ 8 / 306 / none

on

off

off

on

7

Reserved for non-standard

off

off

off

on

8

42MB/ 5 / 977 / none

on

on

on

off

9

42MB/ 6 / 820 / none

off

on

on

off

A

10MB/ 2 / 612 / none

on

off

on

off

B

62MB/ 7 / 1024 /none

off

off

on

off

C

71MB/ 8 / 1024 /none

on

on

off

off

D

80MB/ 9 / 1024 /none

off

on

off

off

E

33MB/ 6 / 640 / none

on

off

off

off

F

Special Setting

off

off

off

off