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# DIGITAL EQUIPMENT CORPORATION
PRIORIS LX
Processor 80486SX/80486DX/80486DX2/Pentium
Processor Speed 80486: 25/33MHz
Pentium: 75/90/100/120/133/150/166/180/200MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard 80486: 128MB
Memory
Pentium: 192MB
Maximum Video None
Memory
Cache 80486: Unidentified
Pentium: 256/512KB
BIOS Unidentified
Dimensions 254mm x 218mm
I/O Options 32-bit PCI slots (3), Ethernet 10Base2
connector, Ethernet 10BaseT connector, floppy
drive interface, IDE interfaces (2), SCSI
interface, parallel port, serial ports (2),
VGA port, CPU slot
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Parallel port | CN1 | IDE interface 2 | CN8 |
|-------------------+----------+------------------+----------|
| VGA port | CN2 | Front panel | CN9 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Ethernet 10BaseT | CN3 | V dc power | J1 |
| connector | | connector | |
|-------------------+----------+------------------+----------|
| Ethernet 10Base2 | CN4 | Chassis fan | J2 |
| connector | | power | |
|-------------------+----------+------------------+----------|
| SCSI interface | CN5 | Speaker | J3 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN6 | 32-bit PCI slots | PC1 – |
| interface | | | PC3 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN7 | CPU slot | SL1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+--------+-----------|
| » | Flash BIOS upgrade enabled | J22/1 | Off |
|---+-----------------------------------+--------+-----------|
| | Flash BIOS upgrade disabled | J22/1 | On |
|---+-----------------------------------+--------+-----------|
| » | Flash BIOS write protect disabled | J22/2 | Off |
|---+-----------------------------------+--------+-----------|
| | Flash BIOS write protect enabled | J22/2 | On |
|---+-----------------------------------+--------+-----------|
| » | Password normal operation | J22/3 | Off |
|---+-----------------------------------+--------+-----------|
| | Password clear | J22/3 | On |
|---+-----------------------------------+--------+-----------|
| » | DSM not installed | J27 | Closed |
|---+-----------------------------------+--------+-----------|
| | DSM installed | J27 | Open |
+------------------------------------------------------------+
(IMG) IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| PS/2 mouse port | CN1 | Serial port | CN3 |
|---------------------+----------+----------------+----------|
| Serial port | CN2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+--------+-----------|
| » | Factory configured – do not alter | J7/2 | On |
|---+-----------------------------------+--------+-----------|
| » | Factory configured – do not alter | J7/3 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 4M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 8M x 36 | (1) 8M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 36 | (1) 8M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: The size of the cache is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU speed | J7/1 |
|-------------------------------+----------------------------|
| 25MHz | On |
|-------------------------------+----------------------------|
| 33MHz | Off |
|-------------------------------+----------------------------|
| 50iMHz | On |
|-------------------------------+----------------------------|
| 66iMHz | Off |
+------------------------------------------------------------+
(IMG) IMG 3
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| PS/2 mouse port | CN1 | Serial port | CN3 |
|--------------------+----------+-----------------+----------|
| Serial port | CN2 | VRM connector | VRM |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 16MB | (2) 2M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 | None |
|------------+---------------+---------------+---------------|
| 32MB | (2) 4M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 40MB | (2) 2M x 36 | (2) 2M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 48MB | (2) 2M x 36 | (2) 2M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 2M x 36 | (2) 4M x 36 | None |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 56MB | (2) 4M x 36 | (2) 2M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 | None |
|------------+---------------+---------------+---------------|
| 64MB | (2) 8M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 72MB | (2) 4M x 36 | (2) 4M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 80MB | (2) 2M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 | None |
|------------+---------------+---------------+---------------|
| 88MB | (2) 8M x 36 | (2) 2M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (2) 8M x 36 | (2) 2M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (2) 4M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 | None |
|------------+---------------+---------------+---------------|
| 112MB | (2) 8M x 36 | (2) 4M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 | None |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 136MB | (2) 8M x 36 | (2) 8M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 144MB | (2) 8M x 36 | (2) 8M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 160MB | (2) 8M x 36 | (2) 8M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 192MB | (2) 8M x 36 | (2) 8M x 36 | (2) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | SL1 |
|----------------------------+-------------------------------|
| 256KB | 256KB module installed |
|----------------------------+-------------------------------|
| 512KB | 512KB module installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | J3/1 | J3/2 | J3/3 | J3/4 |
| speed | speed | | | | | |
|---------+---------+------------+------+------+------+------|
| 75MHz | 50MHz | 1.5x | Off | Off | Off | Off |
|---------+---------+------------+------+------+------+------|
| 90MHz | 60MHz | 1.5x | Off | Off | On | On |
|---------+---------+------------+------+------+------+------|
| 100MHz | 66MHz | 1.5x | Off | Off | On | Off |
|---------+---------+------------+------+------+------+------|
| 120MHz | 60MHz | 2x | On | Off | On | On |
|---------+---------+------------+------+------+------+------|
| 133MHz | 66MHz | 2x | On | Off | On | Off |
|---------+---------+------------+------+------+------+------|
| 150MHz | 60MHz | 2.5x | On | On | On | On |
|---------+---------+------------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | On | On | On | Off |
|---------+---------+------------+------+------+------+------|
| 180MHz | 60MHz | 3x | Off | On | On | On |
|---------+---------+------------+------+------+------+------|
| 200MHz | 66MHz | 3x | Off | On | On | Off |
+------------------------------------------------------------+