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DELL V486DX/XX REV. 1 I/O CARD
BOCA RESEARCH, INC.
DELL V486DX/XX REV. 1 I/O CARD
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Data bus:
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16-bit, ISA
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Size:
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Half-length, full-height card
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Hard drive supported:
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Two IDE (AT) Interface drives
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Floppy drives supported:
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Two 360KB, 720KB, 1.2MB, or 1.44MB drives
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CONNECTIONS
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Function
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Location
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25-pin parallel port
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CN1
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10-pin serial port - external
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CN2
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10-pin serial port - internal
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J3
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40-pin IDE(AT) interface connector
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J4
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34-pin control cable connector - floppy drive
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J5
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4-pin connector - drive active LED
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J6
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Game port
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J8
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USER CONFIGURABLE SETTINGS
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Function
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Location
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Setting
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IDE(AT) port (J2) enabled
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J7
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pins 14 & 16 closed
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IDE(AT) port (J2) disabled
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J7
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pins 16 & 18 closed
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Control cable connector - floppy drive (J1) enabled
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J7
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pins 20 & 22 closed
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Control cable connector - floppy drive (J1) disabled
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J7
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pins 22 & 24 closed
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SERIAL PORT 1 (CN2) CONFIGURATION
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COM/Address
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J7
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COM1/3F8h
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pins 1 & 3, 7 & 9 closed
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COM3/3E8h
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pins 1 & 3, 9 & 11 closed
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Disabled
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pins 3 & 5 closed
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SERIAL PORT 2 (J3) CONFIGURATION
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COM/Address
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J7
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COM2/2F8h
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pins 2 & 4, 8 & 10 closed
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COM4/2E8h
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pins 2 & 4, 10 & 12 closed
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Disabled
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pins 4 & 6 closed
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PARALLEL PORT (CN1) CONFIGURATION
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LPT/Address
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J7
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LPT1/278h
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pins 13 & 15, 19 & 21 closed
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LPT2/378h
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pins 13 & 15, 21 & 23 closed
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Disabled
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pins 15 & 17 closed
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