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8303 SPHF

UNIDENTIFIED

8303 SPHF

Data bus:

16-bit, ISA

Size:

Half-lenght, 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

34-pin control cable connector - floppy drive

J1

40-pin IDE (AT) Interface control cable connector-internal

J2

9-pin serial port 2 - internal

J3

4-pin connector - drive active LED

J4

9-pin serial port 1 - external

J5

25-pin parallel port - external

J6

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Floppy drive enabled

SW1/8

On

 

Floppy drive disabled

SW1/8

Off

Hard drive enabled

SW1/9

On

 

Hard drive disabled

SW1/9

Off

Factory configured setting - do not alter

SW1/10

Off

Factory configured setting - do not alter

JP1

pins 1 & 2 closed

Factory configured setting - do not alter

JP2

pins 2 & 3 closed

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Clock speed <= 12MHz

JP3

pins 2 & 3 closed

 

Clock speed > 12 Mhz

JP3

pins 1 & 2 closed

I/O address ranges = 1F0h-1F7h and 3F6h-3F7h

JP4

pins 1 & 2 closed

 

I/O address ranges = 170h-177h and 376h-377h

JP4

pins 2 & 3 closed

SERIAL PORT CONFIGURATION

Port 1

Port 2

SW1/1

SW1/2

SW1/3

COM1

COM2

Off

Off

Off

 

COM2

COM1

On

On

Off

 

Disabled

Disabled

N/A

On

On

PARALLEL PORT CONFIGURATION

Setting

SW1/4

SW1/5

SW1/6

SW1/7

LPT1

Off

Off

Off

On

 

LPT2

Off

On

On

Off

 

Disabled

On

N/A

N/A

N/A