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# COMPAQ COMPUTER CORPORATION
DESKPRO 486/33L DESKPRO 386/33L
Processor 80306DX/80486DX
Processor Speed 33MHz
Chip Set Intel
Max. Onboard 100MB (on system memory card)
DRAM
Cache None
BIOS Compaq
Dimensions 330mm x 218mm
I/O Options System processor card slot, proprietary system
memory card, VGA port, parallel port, serial
ports (2), bus mouse port, IDE interface, 3.5
and 5.25 inch floppy drive interface
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Bus mouse port | C1 | 3.5 inch floppy | FD1 |
| | | drive interface | |
|--------------------+----------+-----------------+----------|
| Parallel port | C2 | Floppy drive | FD2 |
| | | interface | |
|--------------------+----------+-----------------+----------|
| Serial port | C3 | IDE interface | HDD |
|--------------------+----------+-----------------+----------|
| VGA port | C4 | 32-bit system | MEM |
| | | memory card | |
|--------------------+----------+-----------------+----------|
| Proprietary system | CPU | Drive power | P1-P6 |
| processor card | | plugs | |
|--------------------+----------+-----------------+----------|
| Main power | DCIN | VGA pass | VGA |
| | | through | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Configuration enabled | E1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Configuration disabled (erased) | E1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Password enabled | E2 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Passowrd disabled | E2 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Onboard VGA controller enabled | E3 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Onboard VGA controller disabled | E3 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Local bus hidden refresh enabled | E4 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Local bus hidden refresh | E4 | pins 1 & 2 |
| | disabled | | closed |
|------------------------------------------------------------|
| Note:Not all jumpers are present on all board revisions. |
+------------------------------------------------------------+
SYSTEM MEMORY CARD (Model 001370)
(IMG) IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| VGA pass through | V1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
|Size | M0 | M1 | M2 | M3 |
|-----+---------+-----------------+--------+-----------------|
| 2MB | 2MB | NONE | NONE | NONE |
| | module | | | |
|-----+---------+-----------------+--------+-----------------|
| 4MB | 2MB | 2MB module | NONE | NONE |
| | module | | | |
|-----+---------+-----------------+--------+-----------------|
| 6MB | 2MB | 2MB module | 2MB | NONE |
| | module | | module | |
|-----+---------+-----------------+--------+-----------------|
| 8MB | 2MB | 2MB module | 2MB | 2MB module |
| | module | | module | |
|-----+---------+-----------------+--------+-----------------|
| 8MB | 8MB |-----------------| NONE | NONE |
| |module (2| | | |
| | plug) | | | |
|-----+---------+-----------------+--------+-----------------|
| 8MB | 8MB | NONE | NONE | NONE |
| | module | | | |
|-----+---------+-----------------+--------+-----------------|
|10MB | 8MB |-----------------| 2MB | NONE |
| |module (2| | module | |
| | plug) | | | |
|-----+---------+-----------------+--------+-----------------|
|10MB | 8MB | 2MB module | NONE | NONE |
| | module | | | |
|-----+---------+-----------------+--------+-----------------|
|12MB | 8MB |-----------------| 2MB | 2MB module |
| |module (2| | module | |
| | plug) | | | |
|-----+---------+-----------------+--------+-----------------|
|12MB | 8MB | 2MB module | 2MB | NONE |
| | module | | module | |
|-----+---------+-----------------+--------+-----------------|
|14MB | 8MB | 2MB module | 2MB | 2MB module |
| | module | | module | |
|-----+---------+-----------------+--------+-----------------|
|16MB | 8MB |-----------------| 8MB |-----------------|
| |module (2| | module | |
| | plug) | |(2 plug)| |
|-----+---------+-----------------+--------+-----------------|
|16MB | 8MB | 8MB module | NONE | NONE |
| | module | | | |
|-----+---------+-----------------+--------+-----------------|
|18MB | 8MB | 8MB module | 2MB | NONE |
| | module | | module | |
|-----+---------+-----------------+--------+-----------------|
|18MB | 8MB |-----------------| 8MB | 2MB module |
| |module (2| | module | |
| | plug) | | | |
|-----+---------+-----------------+--------+-----------------|
|20MB | 8MB | 8MB module | 2MB | 2MB module |
| | module | | module | |
|-----+---------+-----------------+--------+-----------------|
|24MB | 8MB |-----------------| 8MB | 8MB module |
| |module (2| | module | |
| | plug) | | | |
|-----+---------+-----------------+--------+-----------------|
|24MB | 8MB | 8MB module | 8MB | NONE |
| | module | | module | |
|-----+---------+-----------------+--------+-----------------|
|26MB | 8MB | 8MB module | 8MB | 2MB module |
| | module | | module | |
|-----+---------+-----------------+--------+-----------------|
|32MB | 8MB | 8MB module | 8MB | 8MB module |
| | module | | module | |
|-----+---------+-----------------+--------+-----------------|
|32MB | 32MB |-----------------| NONE | NONE |
| |module (2| | | |
| | plug) | | | |
|-----+---------+-----------------+--------+-----------------|
|34MB | 32MB |-----------------| 2MB | NONE |
| |module (2| | module | |
| | plug) | | | |
|-----+---------+-----------------+--------+-----------------|
|36MB | 32MB |-----------------| 2MB | 2MB module |
| |module (2| | module | |
| | plug) | | | |
|-----+---------+-----------------+--------+-----------------|
|40MB | 32MB |-----------------| 8MB |-----------------|
| |module (2| | module | |
| | plug) | |(2 plug)| |
|-----+---------+-----------------+--------+-----------------|
|40MB | 32MB |-----------------| 8MB | NONE |
| |module (2| | module | |
| | plug) | | | |
|-----+---------+-----------------+--------+-----------------|
|42MB | 32MB |-----------------| 8MB | 2MB module |
| |module (2| | module | |
| | plug) | | | |
|-----+---------+-----------------+--------+-----------------|
|48MB | 32MB |-----------------| 8MB | 8MB module |
| |module (2| | module | |
| | plug) | | | |
|-----+---------+-----------------+--------+-----------------|
|64MB | 32MB |-----------------| 32MB |-----------------|
| |module (2| | module | |
| | plug) | |(2 plug)| |
|------------------------------------------------------------|
|Note: The system memory card uses proprietary memory |
|modules, some require only one module space on the memory |
|board, while others require two. In the cases where a double|
|size module is used, the following space is marked with |
|"-----------------", designating that space as occupied. |
+------------------------------------------------------------+
(IMG) IMG 3
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
|Size |M0 | M1 | M2 | M3 | M4 | M5 |
|-----+---+-----------------+----+-----------------+----+----|
| 6MB |2MB| NONE |NONE| NONE |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
| 8MB |2MB| 2MB |NONE| NONE |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|10MB |2MB| 2MB |2MB | NONE |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|12MB |2MB| 2MB |2MB | 2MB |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|12MB |8MB| NONE |NONE| NONE |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|12MB |8MB|-----------------|NONE| NONE |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|14MB |2MB| 2MB |2MB | 2MB |2MB |NONE|
|-----+---+-----------------+----+-----------------+----+----|
|14MB |8MB| 2MB |NONE| NONE |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|14MB |8MB|-----------------|2MB | NONE |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|16MB |2MB| 2MB |2MB | 2MB |2MB |2MB |
|-----+---+-----------------+----+-----------------+----+----|
|16MB |8MB| 2MB |2MB | NONE |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|16MB |8MB|-----------------|2MB | 2MB |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|18MB |8MB| 2MB |2MB | 2MB |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|18MB |8MB|-----------------|2MB | 2MB |2MB |NONE|
|-----+---+-----------------+----+-----------------+----+----|
|20MB |8MB| 2MB |2MB | 2MB |2MB |NONE|
|-----+---+-----------------+----+-----------------+----+----|
|20MB |8MB|-----------------|2MB | 2MB |2MB |2MB |
|-----+---+-----------------+----+-----------------+----+----|
|20MB |8MB| 8MB |NONE| NONE |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|20MB |8MB|-----------------|8MB | NONE |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|20MB |8MB|-----------------|8MB |-----------------|NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|22MB |8MB| 2MB |2MB | 2MB |2MB |2MB |
|-----+---+-----------------+----+-----------------+----+----|
|22MB |8MB| 8MB |2MB | NONE |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|22MB |8MB|-----------------|8MB | 2MB |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|22MB |8MB|-----------------|8MB |-----------------|2MB |NONE|
|-----+---+-----------------+----+-----------------+----+----|
|24MB |8MB| 8MB |2MB | 2MB |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|24MB |8MB|-----------------|8MB | 2MB |2MB |NONE|
|-----+---+-----------------+----+-----------------+----+----|
|24MB |8MB|-----------------|8MB |-----------------|2MB |2MB |
|-----+---+-----------------+----+-----------------+----+----|
|26MB |8MB| 8MB |2MB | 2MB |2MB |NONE|
|-----+---+-----------------+----+-----------------+----+----|
|26MB |8MB|-----------------|8MB | 2MB |2MB |2MB |
|-----+---+-----------------+----+-----------------+----+----|
|28MB |8MB| 8MB |2MB | 2MB |2MB |2MB |
|-----+---+-----------------+----+-----------------+----+----|
|28MB |8MB| 8MB |8MB | NONE |NONE|NONE|
|-----+---+-----------------+----+-----------------+----+----|
|28MB |8MB|-----------------|8MB | 8MB |NONE|NONE|
+------------------------------------------------------------+
+-------------------------------------------------------------------------+
| DRAM CONFIGURATION (CON'T) |
|-------------------------------------------------------------------------|
|28MB|8MB |-----------------|8MB |-----------------|8MB | NONE |
|----+----+-----------------+----+-----------------+----+-----------------|
|28MB|8MB |-----------------|8MB |-----------------|8MB |-----------------|
|----+----+-----------------+----+-----------------+----+-----------------|
|30MB|8MB | 8MB |8MB | 2MB |NONE| NONE |
|----+----+-----------------+----+-----------------+----+-----------------|
|30MB|8MB |-----------------|8MB | 8MB |2MB | NONE |
|----+----+-----------------+----+-----------------+----+-----------------|
|30MB|8MB |-----------------|8MB |-----------------|8MB | 2MB |
|----+----+-----------------+----+-----------------+----+-----------------|
|32MB|8MB | 8MB |8MB | 2MB |2MB | NONE |
|----+----+-----------------+----+-----------------+----+-----------------|
|32MB|8MB |-----------------|8MB | 8MB |2MB | 2MB |
|----+----+-----------------+----+-----------------+----+-----------------|
|34MB|8MB | 8MB |8MB | 2MB |2MB | 2MB |
|----+----+-----------------+----+-----------------+----+-----------------|
|36MB|8MB | 8MB |8MB | 8MB |NONE| NONE |
|----+----+-----------------+----+-----------------+----+-----------------|
|36MB|8MB |-----------------|8MB | 8MB |8MB | NONE |
|----+----+-----------------+----+-----------------+----+-----------------|
|36MB|8MB |-----------------|8MB |-----------------|8MB | 8MB |
|----+----+-----------------+----+-----------------+----+-----------------|
|36MB|32MB|-----------------|NONE| NONE |NONE| NONE |
|----+----+-----------------+----+-----------------+----+-----------------|
|38MB|8MB | 8MB |8MB | 8MB |2MB | NONE |
|----+----+-----------------+----+-----------------+----+-----------------|
|38MB|8MB |-----------------|8MB | 8MB |8MB | 2MB |
|----+----+-----------------+----+-----------------+----+-----------------|
|38MB|32MB|-----------------|2MB | NONE |NONE| NONE |
|----+----+-----------------+----+-----------------+----+-----------------|
|40MB|8MB | 8MB |8MB | 8MB |2MB | 2MB |
|----+----+-----------------+----+-----------------+----+-----------------|
|40MB|32MB|-----------------|2MB | 2MB |NONE| NONE |
|----+----+-----------------+----+-----------------+----+-----------------|
|44MB|8MB | 8MB |8MB | 8MB |8MB | NONE |
|----+----+-----------------+----+-----------------+----+-----------------|
|44MB|8MB |-----------------|8MB | 8MB |8MB | 8MB |
|----+----+-----------------+----+-----------------+----+-----------------|
|44MB|32MB|-----------------|2MB | 2MB |2MB | 2MB |
|----+----+-----------------+----+-----------------+----+-----------------|
|44MB|32MB|-----------------|8MB | NONE |NONE| NONE |
|----+----+-----------------+----+-----------------+----+-----------------|
|44MB|32MB|-----------------|8MB |-----------------|NONE| NONE |
|----+----+-----------------+----+-----------------+----+-----------------|
|46MB|8MB | 8MB |8MB | 8MB |8MB | 2MB |
|----+----+-----------------+----+-----------------+----+-----------------|
|46MB|32MB|-----------------|8MB | 2MB |NONE| NONE |
|----+----+-----------------+----+-----------------+----+-----------------|
|46MB|32MB|-----------------|8MB |-----------------|2MB | NONE |
+-------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------+
| DRAM CONFIGURATION (CON'T) |
|---------------------------------------------------------------------------------------|
|52MB |8MB | 8MB |8MB | 8MB | 8MB | 8MB |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|52MB |32MB|-----------------|8MB | 8MB | NONE | NONE |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|52MB |32MB|-----------------|8MB |-----------------| 8MB |-----------------|
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|54MB |32MB|-----------------|8MB | 8MB | 2MB | NONE |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|54MB |32MB|-----------------|8MB | 8MB |-----------------| 2MB |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|56MB |32MB|-----------------|8MB | 8MB | 2MB | 2MB |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|60MB |32MB|-----------------|8MB | 8MB | 8MB | NONE |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|60MB |32MB|-----------------|8MB |-----------------| 8MB | 8MB |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|62MB |32MB|-----------------|8MB | 8MB | 8MB | 2MB |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|68MB |32MB|-----------------|8MB | 8MB | 8MB | 8MB |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|68MB |32MB|-----------------|32MB|-----------------| NONE | NONE |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|70MB |32MB|-----------------|32MB|-----------------| 2MB | NONE |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|72MB |32MB|-----------------|32MB|-----------------| 2MB | 2MB |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|76MB |32MB|-----------------|32MB|-----------------| 8MB | NONE |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|76MB |32MB|-----------------|32MB|-----------------| 8MB |-----------------|
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|78MB |32MB|-----------------|32MB|-----------------| 8MB | 2MB |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|84MB |32MB|-----------------|32MB|-----------------| 8MB | 8MB |
|-----+----+-----------------+----+-----------------+-----------------+-----------------|
|100MB|32MB|-----------------|32MB|-----------------| 32MB |-----------------|
|---------------------------------------------------------------------------------------|
|Note: The system memory card uses proprietary memory modules, some require only one |
|module space on the memory board, while others require two. In the cases where a double|
|size module is used, the following space is marked with "-----------------", |
|designating that space as occupied. |
+---------------------------------------------------------------------------------------+