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QACCESS VL-BUS

UNIDENTIFIED

QACCESS VL-BUS

Data bus:

32-bit, VL-Bus

Size:

Three quarter-length, full-height card

Hard drive supported:

Two IDE (AT) interface drives, up to fourteen SCSI interface drives

Floppy drives supported:

360KB, 720KB, 1.2MB, 1.44MB

CONNECTIONS

Function

Location

40-pin IDE interface connector

J1

External drive active LED

J2

34-pin data cable connector - floppy drive

J3

Parallel port

J4

Serial port 1

J5

Serial port 2

J6

Game port

J7

50-pin SCSI connector 1

SC1

50-pin SCSI connector 2

SC2

SCSI terminator 1

T1

SCSI terminator 2

T2

SCSI terminator 3

T3

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Parallel port interrupt is IRQ7

JP4

pins 1 & 2 closed

 

Parallel port interrupt is IRQ5

JP4

pins 2 & 3 closed

Factory configured - do not alter

JP5

N/A

Game port enabled

JP6

pins 1 & 2 closed

 

Game port disabled

JP6

pins 2 & 3 closed

Factory configured - do not alter

JP17

N/A

SCSI address select 340 - 35Fh

JP20

open

 

SCSI address select 140 - 15Fh

JP20

closed

SCSI interface enabled

W1/E

closed

 

SCSI interface disabled

W1/E

open

IDE command active time normal

W2/C

closed

 

IDE command active time fast

W2/C

open

FLOPPY DRIVE INTERFACE CONFIGURATION

Setting

JP7

JP8

Enabled

pins 1 & 2 closed

pins 1 & 2 closed

 

Disabled

pins 2 & 3 closed

pins 1 & 2 closed

IDE CONFIGURATION

Port

JP11

JP12

W2/A

W2/B

Enabled

pins 1 & 2 closed

pins 1 & 2 closed

open

open

 

Disabled

pins 2 & 3 closed

open

open

closed

IDE INTERRUPT SELECT

IRQ

JP2

JP3

Direct IRQ14

open

closed

 

Buffered IRQ14

closed

open

IDE I/O RECOVERY TIME

Time (ns)

W2/D

W2/E

300

closed

closed

 

120

open

open

 

180

closed

open

 

240

open

closed

PARALLEL PORT ADDRESS SELECT

Address

JP9

JP10

378 - 37Fh

pins 1 & 2 closed

pins 1 & 2 closed

 

278 - 27Fh

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 2 & 3 closed

pins 1 & 2 closed

SCSI PORT INTERRUPT SELECT

IRQ

W1/A

W1/B

IRQ11

open

closed

 

IRQ10

closed

open

SCSI PORT BASE ADDRESS SELECT

Address

W1/C

W1/D

DC000h

closed

closed

 

D8000h

closed

open

 

CC000h

open

closed

 

Disabled

open

open

PRIMARY SERIAL PORT ADDRESS SELECT

Address

JP13

JP14

3F8 - 3FFh

pins 1 & 2 closed

pins 1 & 2 closed

 

3E8 - 3EFh

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 2 & 3 closed

pins 1 & 2 closed

SECONDARY SERIAL PORT ADDRESS SELECT

Address

JP15

JP16

2F8 - 2FFh

pins 1 & 2 closed

pins 1 & 2 closed

 

2E8 - 2EFh

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 2 & 3 closed

pins 1 & 2 closed