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# COMPAQ COMPUTER CORPORATION
PRESARIO 5500 SERIES
Processor Pentium
Processor Speed 75/90MHz
Chip Set Unidentified
Video Chip Set Unidentified
Maximum Onboard 72MB (EDO supported)
Memory
Maximum Video 1MB
Memory
Cache None
BIOS Unidentified
Dimensions 254mm x 218mm
I/O Options PS/2 mouse port, LPB/MPEG connector, parallel
port, audio line out connector, audio line in
connector, MGEG connector, feature connector,
microphone in connector, speaker/headphone
out connector, serial port, wavetable
connector, game/MIDI port, MPEG audio
connector, riser slot
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| PS/2 mouse | J1 | Microphone in | J14 |
| port | | connector | |
|----------------+----------+---------------------+----------|
| LPB/MPEG | J4 | Speaker/headphone | J16 |
| connector | | out connector | |
|----------------+----------+---------------------+----------|
| Parallel port | J5 | Serial port | J17 |
|----------------+----------+---------------------+----------|
| Audio line out | J7 | Wavetable connector | J18 |
| connector | | | |
|----------------+----------+---------------------+----------|
| Audio line in | J9 | Game/MIDI port | J21 |
| connector | | | |
|----------------+----------+---------------------+----------|
| MPEG connector | J10 | MPEG audio | P7 |
| | | connector | |
|----------------+----------+---------------------+----------|
| External | J12 | Riser slot | SL1 |
| battery | | | |
|----------------+----------+---------------------+----------|
| Feature | J13 | | |
| connector | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+---------+------------|
| ยป | CMOS memory normal operation | P1 | Closed |
|---+---------------------------------+---------+------------|
| | CMOS memory clear | P1 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|---------------+-----------------+--------------------------|
| 8MB | 8MB | None |
|---------------+-----------------+--------------------------|
| 10MB | 8MB | (2) 256K x 36 |
|---------------+-----------------+--------------------------|
| 12MB | 8MB | (2) 512K x 36 |
|---------------+-----------------+--------------------------|
| 16MB | 8MB | (2) 1M x 36 |
|---------------+-----------------+--------------------------|
| 24MB | 8MB | (2) 2M x 36 |
|---------------+-----------------+--------------------------|
| 40MB | 8MB | (2) 4M x 36 |
|---------------+-----------------+--------------------------|
| 72MB | 8MB | (2) 8M x 36 |
|------------------------------------------------------------|
| Note: Bank 0 is factory installed and is not |
| configurable. The location is unidentified. Board |
| also accepts x 32 SIMMs. Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | VIDEO (J2/J3) |
|----------------------------+-------------------------------|
| 2MB | Memory module installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU BUS SPEED SELECTION |
|------------------------------------------------------------|
| Clock speed | P3 |
|----------------------------+-------------------------------|
| 40MHz | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 50MHz | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 60MHz | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| 66MHz | Pins 4 & 5 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU MULTIPLIER SELECTION |
|------------------------------------------------------------|
| Multiplier | P2 |
|----------------------------+-------------------------------|
| 1.5x | Pins A1 & A2, B1 & B2 closed |
|----------------------------+-------------------------------|
| 2x | Pins A2 & A3, B1 & B2 closed |
|----------------------------+-------------------------------|
| 2.5x | Pins A2 & A3, B2 & B3 closed |
|----------------------------+-------------------------------|
| 3x | Pins A1 & A2, B2 & B3 closed |
|------------------------------------------------------------|
| Note: The location of A & B is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| The location of pin 1 on all jumpers and connectors is |
| unidentified. |
+------------------------------------------------------------+