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# COMPAQ COMPUTER CORPORATION
PROLINEA MT
Processor 80486SX/80486SX2/80487SX/80486DX/ODP486SX/80486DX2/Pentium
Overdrive
Processor 25/33/50(internal)/66(internal)MHz
Speed
Chip Set Compaq
Max. 64MB
Onboard
DRAM
Cache 128KB (on external cache card)
BIOS AMI
Dimensions 330mm x 218mm
I/O External cache card slot, floppy drive interface, IDE
Options interface, parallel port, PS/2 mouse port, serial port,
VGA feature connector, VGA port
NPU None
Options
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Serial port | CN1 | IDE interface | CN6 |
|------------------+----------+-------------------+----------|
| PS/2 mouse port | CN2 | VGA feature | CN7 |
| | | connector | |
|------------------+----------+-------------------+----------|
| Parallel port | CN3 | External battery | J17 |
|------------------+----------+-------------------+----------|
| VGA port | CN4 | Speaker | P11 |
|------------------+----------+-------------------+----------|
| Floppy drive | CN5 | External cache | SL1 |
| interface | | card slot | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Pentium Overdrive mode select | P1 | pins 2 & 3 |
| | write back | | closed |
|---+----------------------------------+--------+------------|
| | Pentium Overdrive mode select | P1 | pins 1 & 2 |
| | write through | | closed |
|---+----------------------------------+--------+------------|
| » | On board video enabled | P5 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | On board video disabled | P5 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Parallel port IRQ select IRQ7 | P8 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Parallel port IRQ select IRQ5 | P8 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | P9 | Closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | P9 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|---------+------------+------------+------------+-----------|
| 4MB | (1) 1M x | NONE | NONE | NONE |
| | 36 | | | |
|---------+------------+------------+------------+-----------|
| 5MB | (1) 1M x | (1) 256K x | NONE | NONE |
| | 36 | 36 | | |
|---------+------------+------------+------------+-----------|
| 6MB | (1) 1M x | (1) 256K x | (1) 256K x | NONE |
| | 36 | 36 | 36 | |
|---------+------------+------------+------------+-----------|
| 7MB | (1) 1M x | (1) 256K x | (1) 256K x | (1) 256K |
| | 36 | 36 | 36 | x 36 |
|---------+------------+------------+------------+-----------|
| 8MB | (1) 1M x | (1) 1M x | NONE | NONE |
| | 36 | 36 | | |
|---------+------------+------------+------------+-----------|
| 9MB | (1) 1M x | (1) 1M x | (1) 256K x | NONE |
| | 36 | 36 | 36 | |
|---------+------------+------------+------------+-----------|
| 10MB | (1) 1M x | (1) 1M x | (1) 256K x | (1) 256K |
| | 36 | 36 | 36 | x 36 |
|---------+------------+------------+------------+-----------|
| 12MB | (1) 1M x | (1) 1M x | (1) 1M x | NONE |
| | 36 | 36 | 36 | |
|---------+------------+------------+------------+-----------|
| 13MB | (1) 1M x | (1) 1M x | (1) 1M x | (1) 256K |
| | 36 | 36 | 36 | x 36 |
|---------+------------+------------+------------+-----------|
| 16MB | (1) 1M x | (1) 1M x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|---------+------------+------------+------------+-----------|
| 20MB | (1) 1M x | (1) 4M x | NONE | NONE |
| | 36 | 36 | | |
|---------+------------+------------+------------+-----------|
| 21MB | (1) 1M x | (1) 4M x | (1) 256K x | NONE |
| | 36 | 36 | 36 | |
|---------+------------+------------+------------+-----------|
| 22MB | (1) 1M x | (1) 4M x | (1) 256K x | (1) 256K |
| | 36 | 36 | 36 | x 36 |
|---------+------------+------------+------------+-----------|
| 24MB | (1) 1M x | (1) 4M x | (1) 1M x | NONE |
| | 36 | 36 | 36 | |
|---------+------------+------------+------------+-----------|
| 25MB | (1) 1M x | (1) 4M x | (1) 1M x | (1) 256K |
| | 36 | 36 | 36 | x 36 |
|---------+------------+------------+------------+-----------|
| 28MB | (1) 1M x | (1) 4M x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|---------+------------+------------+------------+-----------|
| 36MB | (1) 1M x | (1) 4M x | (1) 4M x | NONE |
| | 36 | 36 | 36 | |
|---------+------------+------------+------------+-----------|
| 36MB | (1) 1M x | (1) 8M x | NONE | NONE |
| | 36 | 36 | | |
|---------+------------+------------+------------+-----------|
| 37MB | (1) 1M x | (1) 4M x | (1) 4M x | (1) 256K |
| | 36 | 36 | 36 | x 36 |
|---------+------------+------------+------------+-----------|
| 37MB | (1) 1M x | (1) 8M x | (1) 256K x | NONE |
| | 36 | 36 | 36 | |
|---------+------------+------------+------------+-----------|
| 38MB | (1) 1M x | (1) 8M x | (1) 256K x | (1) 256K |
| | 36 | 36 | 36 | x 36 |
|---------+------------+------------+------------+-----------|
| 40MB | (1) 1M x | (1) 4M x | (1) 4M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|---------+------------+------------+------------+-----------|
| 40MB | (1) 1M x | (1) 8M x | (1) 1M x | NONE |
| | 36 | 36 | 36 | |
|---------+------------+------------+------------+-----------|
| 41MB | (1) 1M x | (1) 8M x | (1) 1M x | (1) 256K |
| | 36 | 36 | 36 | x 36 |
|---------+------------+------------+------------+-----------|
| 44MB | (1) 1M x | (1) 8M x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|---------+------------+------------+------------+-----------|
| 52MB | (1) 1M x | (1) 4M x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|---------+------------+------------+------------+-----------|
| 52MB | (1) 1M x | (1) 8M x | (1) 4M x | NONE |
| | 36 | 36 | 36 | |
|---------+------------+------------+------------+-----------|
| 53MB | (1) 1M x | (1) 8M x | (1) 4M x | (1) 256K |
| | 36 | 36 | 36 | x 36 |
|---------+------------+------------+------------+-----------|
| 56MB | (1) 1M x | (1) 8M x | (1) 4M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|---------+------------+------------+------------+-----------|
| 64MB | (1) 1M x | (1) 8M x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|------------------------------------------------------------|
| Note: When 64MB of memory is installed, Bank 0 is ignored. |
| Do not remove the 1M x 36 from Bank 0. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | P2 | P3 | P4 | P6 | P7 |
|---------------+--------+--------+--------+--------+--------|
| 80486SX-25 | 1 & 2 | 1 & 2 | 3 & 4 | 1 & 2 | 1 & 2 |
|---------------+--------+--------+--------+--------+--------|
| 80486SX-33 | 1 & 2 | 1 & 2 | 3 & 4 | 1 & 2 | 2 & 3 |
|---------------+--------+--------+--------+--------+--------|
| 80487SX-25 | 1 & 2 | 1 & 2 | 3 & 4 | 1 & 2 | 1 & 2 |
|---------------+--------+--------+--------+--------+--------|
| 80486DX-25 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 |
|---------------+--------+--------+--------+--------+--------|
| 80486DX-33 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
|---------------+--------+--------+--------+--------+--------|
| 80486SX2-66 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
|---------------+--------+--------+--------+--------+--------|
| 80486DX2-50 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 |
|---------------+--------+--------+--------+--------+--------|
| 80486DX2-66 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
|---------------+--------+--------+--------+--------+--------|
| ODP | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | N/A |
|---------------+--------+--------+--------+--------+--------|
| ODPR | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | N/A |
|---------------+--------+--------+--------+--------+--------|
| Pentium ODP | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | N/A |
|------------------------------------------------------------|
| Note: N/A - jumper setting depends on processor |
| speed. Pins designated should be in the closed |
| position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | P7 |
|----------------------------+-------------------------------|
| 25MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 33MHz | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 50iMHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 66iMHz | pins 2 & 3 closed |
+------------------------------------------------------------+