DATA TECHNOLOGY CORPORATION

DTC5110 (REV. B)

Card Type

Floppy drive controller

Chip Set

DTC-403

Maximum Onboard Memory

N/A

I/O Options

Floppy drive interface

Hard Drives supported

None

Floppy drives supported

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

Data Bus

8-bit ISA

Card Size

Half-length, full-height

CONNECTIONS

Function

Label

34-pin control cable connector - floppy drive

CN1

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Primary port address 3F2h enabled

W1

Pins 1 & 2 closed

 

Secondary port address 372h enabled

W1

Pins 2 & 3 closed

»

Dual speed mode disabled

W3

Open

 

Dual speed mode enabled

W3

Closed

»

Standard logic for drive 0 enabled

W4

Pins 1 & 2 closed

 

Reverse logic for drive 0 enabled

W4

Pins 2 & 3 closed

»

Standard logic for drive 1 enabled

W5

Pins 1 & 2 closed

 

Reverse logic for drive 1 enabled

W5

Pins 2 & 3 closed

»

Standard logic for drive 2 enabled

W6

Pins 1 & 2 closed

 

Reverse logic for drive 2 enabled

W6

Pins 2 & 3 closed

»

Factory configured - do not alter

W7

Unidentified

»

Factory configured - do not alter

W8

Unidentified

WRITE PRECOMPENSATION SELECTION

Write Precompensation

Data Rate

W2

»

125ns

N/A

Closed

 

125ns

500Kbit/sec

Open

 

208ns

300Kbit/sec

Open

 

250ns

250Kbit/sec

Open