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WY-994 Hard Disk/Floppy Controller Settings and Configuration






WYSE TECHNOLOGY, INC.

WY-994

Data bus: 16-bit, PC/AT

Size: Half-length, full-height card

Hard drives supported: Two IDE Interface (AT) drives

Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

CONNECTIONS

Function

Location

25-pins parallel port (LPT1/2) external

CN1

9-pin serial port 1 (COM1/3)-external

CN2

9-pin serial port 2 (COM2/4) internal

CN3

34-pin data cable connector-floppy drive

J1

40-pin IDE Interface (AT) control cable connector-hard drive

J5

4-pin connector-drive active LED

J6

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Factory configured - do not alter

W1

open

Factory configured - do not alter

W2

open

Hard drive enabled

W3

pins 1 & 2 open

 

Hard drive disabled

W3

pins 1 & 2 closed

Factory configured - do not alter

W3

pins 3 & 4 open

Floppy drive interrupt request is IRQ6

W4

pins 1 & 2 open

 

Floppy drive interrupt request is disabled

W4

pins 1 & 2 closed

Floppy drive port address is 3F0-3F7h

W4

pins 3 & 4 closed

 

Floppy drive port address is 370-3F7h

W4

pins 3 & 4 open

PARALLEL PORT CONFIGURATION

LPT

W5/1 & 2

W5/3 & 4

W6/3 & 4

W6/1 & 2

LPT1 (378-37Fh) on IRQ7

open

closed

closed

open

 

LPT2 (278-27Fh) on IRQ5

open

open

open

closed

 

Disabled

closed

N/A

N/A

N/A

SERIAL PORT CONFIGURATION - W5

Port 1 (CN2)

Port 2 (CN3)

pins 5 & 6

pins 7 & 8

pins 9 & 10

pins 11 &12

COM1 3F8-3FFh

COM2 2F8-2FFh

open

closed

open

closed

COM1 3F8-3FFh

COM4 2E8-2EFh

open

open

closed

open

COM3 3E8-3EFh

COM2 2F8-2FFh

closed

open

open

closed

COM3 3E8-3EFh

COM4 2E8-2EFh

closed

open

closed

open

Disabled

Disabled

closed

closed

closed

closed

COM PORTS INTERRUPT REQUEST - W6

IRQ

pins 5 & 6

pins 7 & 8

pins 5 & 7

pins 6 & 8

COM1 or COM3 IRQ4

open

closed

open

open

 

COM1 or COM3 IRQ3

open

open

open

closed

COM2 or COM4 IRQ3

closed

open

open

open

 

COM2 or COM4 IRQ4

open

open

closed

open

 

Disabled

closed

closed

closed

closed








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previous page: WY-954 Hard Disk/Floppy Controller Settings and Configuration
  
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