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DELL V486DX/XX REV. 1 I/O CARD

BOCA RESEARCH, INC.

DELL V486DX/XX REV. 1 I/O CARD

Data bus:

16-bit, ISA

Size:

Half-length, full-height card

Hard drive supported:

Two IDE (AT) Interface drives

Floppy drives supported:

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

CONNECTIONS

Function

Location

25-pin parallel port

CN1

10-pin serial port - external

CN2

10-pin serial port - internal

J3

40-pin IDE(AT) interface connector

J4

34-pin control cable connector - floppy drive

J5

4-pin connector - drive active LED

J6

Game port

J8

USER CONFIGURABLE SETTINGS

Function

Location

Setting

IDE(AT) port (J2) enabled

J7

pins 14 & 16 closed

 

IDE(AT) port (J2) disabled

J7

pins 16 & 18 closed

Control cable connector - floppy drive (J1) enabled

J7

pins 20 & 22 closed

 

Control cable connector - floppy drive (J1) disabled

J7

pins 22 & 24 closed

SERIAL PORT 1 (CN2) CONFIGURATION

COM/Address

J7

COM1/3F8h

pins 1 & 3, 7 & 9 closed

 

COM3/3E8h

pins 1 & 3, 9 & 11 closed

 

Disabled

pins 3 & 5 closed

SERIAL PORT 2 (J3) CONFIGURATION

COM/Address

J7

COM2/2F8h

pins 2 & 4, 8 & 10 closed

 

COM4/2E8h

pins 2 & 4, 10 & 12 closed

 

Disabled

pins 4 & 6 closed

PARALLEL PORT (CN1) CONFIGURATION

LPT/Address

J7

LPT1/278h

pins 13 & 15, 19 & 21 closed

 

LPT2/378h

pins 13 & 15, 21 & 23 closed

 

Disabled

pins 15 & 17 closed