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HP 97502B
HEWLETT-PACKARD COMPANY
HP 97502B
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Data bus:
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16-bit, ISA
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Size:
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Full-length, full-height card
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Hard drive supported:
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HP 9705A: One HP 97501A 10MEG hard drive
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HP 9705B: Two HP 97501A 10MEG or 20MEG hard drives
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Floppy drives supported:
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None
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CONNECTIONS
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Function
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Location
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40-pin proprietary HP Interface connector
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J1
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4-pin connector - 5/12 volt DC power
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J2
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4-pin connector-Drive active LED
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J3
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INTERRUPT REQUEST CONFIGURATION
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IRQ
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JP1
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5
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pins 4 & 5 closed
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14
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pins 3 & 4 closed
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15
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pins 1 & 2 closed
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Disabled
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all pins open
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BIOS ADDRESS AND I/O PORT ADDRESS CONFIGURAION
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Address
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SW1/switch 1
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SW1/switch 2
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SW1/switch 3
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SW1/switch 4
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C0000h/1F0h
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on
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on
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on
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on
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C2000h/320h
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off
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on
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on
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on
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C4000h/1F0h
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on
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off
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on
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on
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C6000h/320h
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off
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off
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on
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on
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C8000h/1F0h
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on
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on
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off
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on
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CA000h/320h
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off
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on
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off
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on
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CC000h/1F0h
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on
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off
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off
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on
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CE000h/320h
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off
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off
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off
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on
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D0000h/1F0h
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on
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on
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on
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off
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D2000h/320h
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off
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on
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on
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off
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D4000h/1F0h
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on
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off
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on
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off
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D6000h/320h
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off
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off
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on
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off
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D8000h/1F0h
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on
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on
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off
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off
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DA000h/320h
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off
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on
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off
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off
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DC000h/1F0h
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on
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off
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off
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off
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DE000h/320h
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off
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off
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off
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off
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DIAGNOSTIC LEDS
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LED
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Satus
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Condition
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LED1
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blinking
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Hard drive active
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on (with LED1 on)
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Processor/system stack failure
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LED2
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on/blinking
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Self-test in progress
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on
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Hard drive failure
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on (with LED2 on)
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Processor/system stack failure
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blink; pause; blink
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ROM failure
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2 blinks; pause; 2 blinks
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RAM failure
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3 blinks; pause; 3 blinks
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Data buffer RAM failure
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