(TXT) View Source
# DIGITAL EQUIPMENT CORPORATION
PC 486 CE
Processor 80486
Processor Speed 25/33MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard 128MB
Memory
Maximum Video None
Memory
Cache None
BIOS Unidentified
Dimensions 350mm x 329mm
I/O Options External memory slots (2), floppy drive
interface, IDE interface, parallel port,
serial ports (2)
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Parallel port | J12 | Speaker | J17 |
|--------------------+----------+-----------------+----------|
| Serial port | J13 | Power LED & | J18 |
| | | keylock | |
|--------------------+----------+-----------------+----------|
| Serial port | J14 | Reset switch | J19 |
|--------------------+----------+-----------------+----------|
| IDE interface | J15 | LED connector | J20 |
|--------------------+----------+-----------------+----------|
| Floppy drive | J16 | External memory | SL1 & |
| interface | | cards | SL2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------------+-------+----------|
| » | Speaker volume select normal volume | W3 | Open |
|---+-------------------------------------+-------+----------|
| | Speaker volume select low volume | W3 | Closed |
|---+-------------------------------------+-------+----------|
| » | IDE interface enabled | W5 | Open |
|---+-------------------------------------+-------+----------|
| | IDE interface disabled | W5 | Closed |
|---+-------------------------------------+-------+----------|
| » | I/O recovery time select extra time | W14 | Closed |
| | provided | | |
|---+-------------------------------------+-------+----------|
| | I/O recovery time select no extra | W14 | Open |
| | time provided | | |
|---+-------------------------------------+-------+----------|
| | Monitor type select color | SW1/1 | On |
|---+-------------------------------------+-------+----------|
| | Monitor type select monochrome | SW1/1 | Off |
|---+-------------------------------------+-------+----------|
| » | Factory configured - do not alter | SW1/2 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 2M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|---------+-------------+------------+-----------+-----------|
| 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|---------+-------------+------------+-----------+-----------|
| 36MB | (1) 8M x 36 | (1) 1M x | None | None |
| | | 36 | | |
|---------+-------------+------------+-----------+-----------|
| 40MB | (1) 8M x 36 | (1) 1M x | (1) 1M x | None |
| | | 36 | 36 | |
|---------+-------------+------------+-----------+-----------|
| 40MB | (1) 8M x 36 | (1) 2M x | None | None |
| | | 36 | | |
|---------+-------------+------------+-----------+-----------|
| 40MB | (1) 4M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|---------+-------------+------------+-----------+-----------|
| 44MB | (1) 8M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|---------+-------------+------------+-----------+-----------|
| 48MB | (1) 8M x 36 | (1) 2M x | (1) 2M x | None |
| | | 36 | 36 | |
|---------+-------------+------------+-----------+-----------|
| 48MB | (1) 8M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|---------+-------------+------------+-----------+-----------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|---------+-------------+------------+-----------+-----------|
| 52MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|---------+-------------+------------+-----------+-----------|
| 56MB | (1) 8M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|---------+-------------+------------+-----------+-----------|
| 56MB | (1) 2M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|---------+-------------+------------+-----------+-----------|
| 64MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|---------+-------------+------------+-----------+-----------|
| 64MB | (1) 8M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|---------+-------------+------------+-----------+-----------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|------------------------------------------------------------|
| Note: To use 128MB, install two fully populated |
| memory cards in SL1 & SL2. If only one card is used, |
| install in SL1. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | W13 |
|------------------------------+-----------------------------|
| 25MHz | Closed |
|------------------------------+-----------------------------|
| 33MHz | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDE CONTROLLER SELECTION |
|------------------------------------------------------------|
| Setting | W6 | W8 | W11 |
|-------------------+-------------+-------------+------------|
| » | Enabled | Open | Closed | Closed |
|---+---------------+-------------+-------------+------------|
| | Disabled | Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BURN IN MODE SELECTION |
|------------------------------------------------------------|
| Setting | W4 | W7 |
|------------------------+-----------------+-----------------|
| » | Disabled | Open | Closed |
|---+--------------------+-----------------+-----------------|
| | Enabled | Closed | Open |
+------------------------------------------------------------+