(TXT) View Source
# COMPAQ COMPUTER CORPORATION
DESKPRO 386 (TYPE 'A')
Processor 80386DX
Processor Speed 16MHz
Chip Set ETEQ
Max. Onboard 2MB (on system memory card)
DRAM
Cache None
BIOS Compaq
Dimensions 330mm x 218mm
I/O Options Proprietary system memory card slot,
proprietary external memory card slot (on
system memory card)
NPU Options 80287
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Fixed drive | J109 | Proprietary | J116 |
| power | | keyboard plug | |
|----------------+----------+---------------------+----------|
| Tape backup | J110 | Main power | J117 |
| power | | | |
|----------------+----------+---------------------+----------|
| Floppy drive | J111 | External battery | J118 |
| power | | | |
|----------------+----------+---------------------+----------|
| Floppy drive | J112 | Keylock | J119 |
| power | | | |
|----------------+----------+---------------------+----------|
| Monitor power | J113 | Proprietary system | S1 |
| | | memory card | |
|----------------+----------+---------------------+----------|
| Speaker | J115 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Switch | Position |
|----------------------------------------+--------+----------|
| » | Fail-safe timer enabled | SW1/1 | On |
|---+------------------------------------+--------+----------|
| | Fail-safe timer disabled | SW1/1 | Off |
|---+------------------------------------+--------+----------|
| » | NPU enabled | SW1/2 | On |
|---+------------------------------------+--------+----------|
| | NPU disabled | SW1/2 | Off |
|---+------------------------------------+--------+----------|
| » | NPU type select 4MHz | SW1/3 | On |
|---+------------------------------------+--------+----------|
| | NPU type select 8MHz | SW1/3 | Off |
|---+------------------------------------+--------+----------|
| » | CPU speed at boot automatic | SW1/4 | On |
|---+------------------------------------+--------+----------|
| » | CPU speed at boot high | SW1/4 | Off |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | SW1/5 | Off |
|---+------------------------------------+--------+----------|
| » | Monitor type select | SW1/6 | On |
| | dual-mode/color | | |
|---+------------------------------------+--------+----------|
| | Monitor type select monochrome | SW1/6 | Off |
| | other than Compaq | | |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | SW1/7 | On |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | SW1/8 | On |
+------------------------------------------------------------+
(IMG) IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|------------------------------------------+-----------------|
| Proprietary external memory card | S1 & S2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (36) 41256 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (36) 41256 | (36) 41256 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Base | Ext. | 1MBExp. | J1 |
| | Memory | Memory | Memory | |
|------+---------+---------+-----------+---------------------|
| 1MB | 256KB | 768KB | disabled | pins 1 & 2, 4 & 5, |
| | | | | 7 & 8 closed |
|------+---------+---------+-----------+---------------------|
| 1MB | 512KB | 512KB | disabled | pins 2 & 3, 4 & 5, |
| | | | | 7 & 8 closed |
|------+---------+---------+-----------+---------------------|
| 1MB | 640KB | 384KB | disabled | pins 2 & 3, 5 & 6, |
| | | | | 7 & 8 closed |
|------+---------+---------+-----------+---------------------|
| 2MB | 256KB | 768KB | enabled | pins 1 & 2, 4 & 5, |
| | | | | 8 & 9 closed |
|------+---------+---------+-----------+---------------------|
| 2MB | 512KB | 512KB | enabled | pins 2 & 3, 4 & 5, |
| | | | | 8 & 9 closed |
|------+---------+---------+-----------+---------------------|
| 2MB | 640KB | 384KB | enabled | pins 2 & 3, 5 & 6, |
| | | | | 8 & 9 closed |
|------------------------------------------------------------|
| Note:Jumpers 3 & 4 and 6 & 7 should never be closed as |
| serious damage to the system may result. |
+------------------------------------------------------------+