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# HEWLETT-PACKARD COMPANY
HP 97502B
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit, ISA |
|---------------+--------------------------------------------|
| Size: | Full-length, full-height card |
|---------------+--------------------------------------------|
| Hard drive | HP 9705A: One HP 97501A 10MEG hard drive |
| supported: | |
|---------------+--------------------------------------------|
| | HP 9705B: Two HP 97501A 10MEG or 20MEG |
| | hard drives |
|---------------+--------------------------------------------|
| Floppy drives | None |
| supported: | |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| 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 |SW1/switch |SW1/switch |SW1/switch|
| | 1 | 2 | 3 | 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 | RAM failure |
| | blinks | |
|------+----------------------+------------------------------|
| | 3 blinks; pause; 3 | Data buffer RAM failure |
| | blinks | |
+------------------------------------------------------------+