HP 97502B Hard Disk/Floppy Controller Settings and Configuration

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

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HP 97502B Hard Disk/Floppy Controller Settings and Configuration

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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