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# DIGITAL EQUIPMENT CORPORATION
VENTURIS PENTIUM (VER. 1.0)
Device Type Mainboard
Processor Pentium
Processor Speed 60MHz
Chip Set Unidentified
Video Chip Set S3
Maximum Onboard 64MB
Memory
Maximum Video Unidentified
Memory
Cache 256KB
BIOS Unidentified
Dimensions 254mm x 218mm
I/O Options Floppy drive interface, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), VGA port, riser slot
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| VGA port | CN1 | Floppy drive | CN6 |
| | | interface | |
|------------------+----------+-------------------+----------|
| Serial port | CN2 | IDE interface | CN7 |
|------------------+----------+-------------------+----------|
| Serial port | CN3 | IDE interface | CN8 |
|------------------+----------+-------------------+----------|
| Parallel port | CN4 | Riser slot | SL1 |
|------------------+----------+-------------------+----------|
| PS/2 mouse port | CN5 | | |
|------------------------------------------------------------|
| Note: VGA & serial ports are shown for informational |
| purposes only. The location may not be exact. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|------------------------------------+-------+---------------|
| » | CMOS memory normal operation | J22 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | CMOS memory clear | J22 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| » | Password normal operation | J24 | Open |
|---+--------------------------------+-------+---------------|
| | Password memory clear | J24 | Closed |
|---+--------------------------------+-------+---------------|
| » | Recovery mode normal operation | J25 | Open |
|---+--------------------------------+-------+---------------|
| | Recovery mode enabled | J25 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 4MB | (1) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 8MB | (1) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (1) 4M x 36 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (1) 8M x 36 | None |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: Board is factory installed with 256KB cache. The |
| location is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: The location & size of the video memory is |
| unidentified. |
+------------------------------------------------------------+