CMS ENHANCEMENTS, INC.

HCWD27X

Data bus:

8-bit ISA

Size:

Half length, full-height card

Hard drive supported:

Two RLL ST506/412 drives

Floppy drives supported:

None

CONNECTIONS

Function

Location

34-pin data cable connector - hard drive

J1

20-pin data cable connector - drive 0

J2

20-pin data cable connector - drive 1

J3

External power connector

J4

4-pin connector - drive active LED

J5

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Interrupt select IRQ5

W27

open

 

Interrupt select IRQ2

W27

closed

»

AT compatibility enabled

W28

closed

 

XT compatibility enabled

W28

open

ADDRESS SELECT

I/O Address

Base Memory Address

W21

W22

»

320h

C8000h

open

open

 

324h

CA000h

closed

open

 

328h

CC000h

open

closed

 

32Ch

CE000h

closed

closed

PRE-SELECTED DRIVE CONFIGURATION

     

Drive 0

Drive 1

 

Capacity

Heads

Cylinders

W17

W18

W19

W20

»

32MB

4

615

open

open

open

open

 

65MB

6

820

closed

closed

closed

closed

 

42MB

4

782

open

closed

open

closed

 

21MB

2

782

closed

open

closed

open

TRANSLATION

Setting

Dynamic

Sectors

W25

W26

»

Disabled

Yes

26

open

closed

 

Enabled

No

17

closed

open