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HP 97502B

HEWLETT-PACKARD COMPANY

HP 97502B

Data bus:

16-bit, ISA

Size:

Full-length, full-height card

Hard drive supported:

HP 9705A: One HP 97501A 10MEG hard drive

 

HP 9705B: Two HP 97501A 10MEG or 20MEG hard drives

Floppy drives supported:

None

CONNECTIONS

Function

Location

40-pin proprietary HP Interface connector

J1

4-pin connector - 5/12 volt DC power

J2

4-pin connector-Drive active LED

J3

INTERRUPT REQUEST CONFIGURATION

IRQ

JP1

 

5

pins 4 & 5 closed

 

14

pins 3 & 4 closed

 

15

pins 1 & 2 closed

Disabled

all pins open

BIOS ADDRESS AND I/O PORT ADDRESS CONFIGURAION

Address

SW1/switch 1

SW1/switch 2

SW1/switch 3

SW1/switch 4

 

C0000h/1F0h

on

on

on

on

 

C2000h/320h

off

on

on

on

 

C4000h/1F0h

on

off

on

on

 

C6000h/320h

off

off

on

on

 

C8000h/1F0h

on

on

off

on

 

CA000h/320h

off

on

off

on

CC000h/1F0h

on

off

off

on

 

CE000h/320h

off

off

off

on

 

D0000h/1F0h

on

on

on

off

 

D2000h/320h

off

on

on

off

 

D4000h/1F0h

on

off

on

off

 

D6000h/320h

off

off

on

off

 

D8000h/1F0h

on

on

off

off

 

DA000h/320h

off

on

off

off

 

DC000h/1F0h

on

off

off

off

 

DE000h/320h

off

off

off

off

DIAGNOSTIC LEDS

LED

Satus

Condition

LED1

blinking

Hard drive active

 

on (with LED1 on)

Processor/system stack failure

LED2

on/blinking

Self-test in progress

 

on

Hard drive failure

 

on (with LED2 on)

Processor/system stack failure

 

blink; pause; blink

ROM failure

 

2 blinks; pause; 2 blinks

RAM failure

 

3 blinks; pause; 3 blinks

Data buffer RAM failure