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# HEWLETT-PACKARD COMPANY
HP VECTRA 486T PC Series
Processor 80486DX
Processor Speed 25/33MHz
Chip Set HP
Max. Onboard 64MB
DRAM
Cache None
BIOS HP
Dimensions 320mm x 112mm
I/O Options 32-bit local bus backplane connector, bus
mouse port, serial mouse port
NPU Options 80387/3167
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| 32-bit local bus backplane | CN1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------+--------+----------------|
| » | CMOS memory normal operation | JP1 | pins 2 & 3 |
| | | | closed |
|---+------------------------------+--------+----------------|
| | CMOS memory clear | JP1 | pins 1 & 2 |
| | | | closed |
|------------------------------------------------------------|
| Note:Jumper is available on the HP Vectra 486/33T PC only. |
+------------------------------------------------------------+
(IMG) IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Serial mouse port | CN1 | Bus mouse port | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Switch | Position |
|----------------------------------+-----------+-------------|
| » | Password check enabled | SW1 | position 1 |
|---+------------------------------+-----------+-------------|
| | Password check disabled | SW1 | position 0 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SINGLE DENSITY SIMM DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+----------------+-----------+-----------+----------|
| 2MB | (2) 256K x 36 | NONE | NONE | NONE |
|--------+----------------+-----------+-----------+----------|
| 4MB | (2) 256K x 36 | (2) 256K | NONE | NONE |
| | | x 36 | | |
|--------+----------------+-----------+-----------+----------|
| 6MB | (2) 256K x 36 | (2) 256K | (2) 256K | NONE |
| | | x 36 | x 36 | |
|--------+----------------+-----------+-----------+----------|
| 8MB | (2) 256K x 36 | (2) 256K | (2) 256K | (2) 256K |
| | | x 36 | x 36 | x 36 |
|--------+----------------+-----------+-----------+----------|
| 8MB | (2) 1M x 36 | NONE | NONE | NONE |
|--------+----------------+-----------+-----------+----------|
| 10MB | (2) 1M x 36 | (2) 256K | NONE | NONE |
| | | x 36 | | |
|--------+----------------+-----------+-----------+----------|
| 12MB | (2) 1M x 36 | (2) 256K | (2) 256K | NONE |
| | | x 36 | x 36 | |
|--------+----------------+-----------+-----------+----------|
| 14MB | (2) 1M x 36 | (2) 256K | (2) 256K | (2) 256K |
| | | x 36 | x 36 | x 36 |
|--------+----------------+-----------+-----------+----------|
| 16MB | (2) 1M x 36 | (2) 1M x | NONE | NONE |
| | | 36 | | |
|--------+----------------+-----------+-----------+----------|
| 18MB | (2) 1M x 36 | (2) 1M x | (2) 256K | NONE |
| | | 36 | x 36 | |
|--------+----------------+-----------+-----------+----------|
| 20MB | (2) 1M x 36 | (2) 1M x | (2) 256K | (2) 256K |
| | | 36 | x 36 | x 36 |
|--------+----------------+-----------+-----------+----------|
| 24MB | (2) 1M x 36 | (2) 1M x | (2) 1M x | NONE |
| | | 36 | 36 | |
|--------+----------------+-----------+-----------+----------|
| 26MB | (2) 1M x 36 | (2) 1M x | (2) 1M x | (2) 256K |
| | | 36 | 36 | x 36 |
|--------+----------------+-----------+-----------+----------|
| 32MB | (2) 1M x 36 | (2) 1M x | (2) 1M x | (2) 1M x |
| | | 36 | 36 | 36 |
|------------------------------------------------------------|
| Note:Single-Density and Double-Density 36-bit SIMMs may |
| not be mixed when configuring memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DOUBLE DENSITY SIMM DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+----------------+-----------+-----------+----------|
| 4MB | (2) 512K x 36 | NONE | NONE | NONE |
|--------+----------------+-----------+-----------+----------|
| 8MB | (2) 512K x 36 | (2) 512K | NONE | NONE |
| | | x 36 | | |
|--------+----------------+-----------+-----------+----------|
| 12MB | (2) 512K x 36 | (2) 512K | (2) 512K | NONE |
| | | x 36 | x 36 | |
|--------+----------------+-----------+-----------+----------|
| 16MB | (2) 512K x 36 | (2) 512K | (2) 512K | (2) 512K |
| | | x 36 | x 36 | x 36 |
|--------+----------------+-----------+-----------+----------|
| 20MB | (2) 2M x 36 | (2) 512K | NONE | NONE |
| | | x 36 | | |
|--------+----------------+-----------+-----------+----------|
| 24MB | (2) 2M x 36 | (2) 512K | (2) 512K | NONE |
| | | x 36 | x 36 | |
|--------+----------------+-----------+-----------+----------|
| 28MB | (2) 2M x 36 | (2) 512K | (2) 512K | (2) 512K |
| | | x 36 | x 36 | x 36 |
|--------+----------------+-----------+-----------+----------|
| 32MB | (2) 2M x 36 | (2) 2M x | NONE | NONE |
| | | 36 | | |
|--------+----------------+-----------+-----------+----------|
| 36MB | (2) 2M x 36 | (2) 2M x | (2) 512K | NONE |
| | | 36 | x 36 | |
|--------+----------------+-----------+-----------+----------|
| 40MB | (2) 2M x 36 | (2) 2M x | (2) 512K | (2) 512K |
| | | 36 | x 36 | x 36 |
|--------+----------------+-----------+-----------+----------|
| 48MB | (2) 2M x 36 | (2) 2M x | (2) 2M x | NONE |
| | | 36 | 36 | |
|--------+----------------+-----------+-----------+----------|
| 52MB | (2) 2M x 36 | (2) 2M x | (2) 2M x | (2) 512K |
| | | 36 | 36 | x 36 |
|--------+----------------+-----------+-----------+----------|
| 64MB | (2) 2M x 36 | (2) 2M x | (2) 2M x | (2) 2M x |
| | | 36 | 36 | 36 |
|------------------------------------------------------------|
| Note:Single-Density and Double-Density 36-bit SIMMs may |
| not be mixed when configuring memory. |
+------------------------------------------------------------+