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# DELL COMPUTER CORPORATION
System 325D/333D
Processor 80386DX
Processor Speed 25/33MHz
Chip Set VLSI
Max. Onboard 16MB
DRAM
Cache None
BIOS AMI
Dimensions 329mm x 334mm
I/O Options Bus mouse, floppy interface, IDE interface,
parallel port, serial ports (2), VGA port
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+------------------+------------|
| VGA port | CN1 | VGA pass-through | JFEAT |
|-----------------+----------+------------------+------------|
| Parallel port | CN2 | Primary floppy | JFLOP |
| | | drive interface | |
|-----------------+----------+------------------+------------|
| Serial port 2 | CN3 | IDE interface | JIDE |
|-----------------+----------+------------------+------------|
| Serial port 1 | CN4 | Reset switch | JP5/pins 1 |
| | | | & 2 |
|-----------------+----------+------------------+------------|
| Bus mouse port | CN5 | Front panel | JVIEW |
| | | status LCD | |
|-----------------+----------+------------------+------------|
| External | JBAT | | |
| battery | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | JP5 | Position |
|------------------------------------+------------+----------|
| » | Monitor type select color | pins 3 & 4 | Closed |
|---+--------------------------------+------------+----------|
| | Monitor type select monochrome | pins 3 & 4 | Open |
|---+--------------------------------+------------+----------|
| » | Factory test disabled | pins 5 & 6 | Open |
|---+--------------------------------+------------+----------|
| | Factory test enabled | pins 5 & 6 | Closed |
|---+--------------------------------+------------+----------|
| » | Password check enabled | pins 7 & 8 | Closed |
|---+--------------------------------+------------+----------|
| | Password check disabled | pins 7 & 8 | Open |
|---+--------------------------------+------------+----------|
| » | IDE drives installed select | pins 9 & | Closed |
| | one (on-board IDE port only) | 10 | |
|---+--------------------------------+------------+----------|
| | IDE drives installed select | pins 9 & | Open |
| | two (on-board IDE port only) | 10 | |
|---+--------------------------------+------------+----------|
| » | IDE port enabled | pins 11 & | Open |
| | | 12 | |
|---+--------------------------------+------------+----------|
| | IDE port disabled | pins 11 & | Closed |
| | | 12 | |
|---+--------------------------------+------------+----------|
| » | Monitor type select standard | pins 13 & | Open |
| | VGA | 14 | |
|---+--------------------------------+------------+----------|
| | Monitor type select | pins 13 & | Closed |
| | multifrequency (MultiSync) VGA | 14 | |
|---+--------------------------------+------------+----------|
| » | VGA interrupt request select | pins 15 & | Open |
| | none | 16 | |
|---+--------------------------------+------------+----------|
| | VGA interrupt request select | pins 15 & | Closed |
| | IRQ9 | 16 | |
|---+--------------------------------+------------+----------|
| » | IOCHRDY signal disabled to IDE | pins 17 & | Closed |
| | drive(s) | 18 | |
| | | | Open |
| | | pins 19 & | |
| | | 20 | |
|---+--------------------------------+------------+----------|
| | IOCHRDY signal enabled to IDE | pins 17 & | Open |
| | drive(s) | 18 | |
| | | | Closed |
| | | pins 19 & | |
| | | 20 | |
|---+--------------------------------+------------+----------|
| » | VGA interface enabled | pins 21 & | Closed |
| | | 22 | |
|---+--------------------------------+------------+----------|
| | VGA interface disabled | pins 21 & | Open |
| | | 22 | |
|---+--------------------------------+------------+----------|
| » | Factory configured - do not | pins 23 & | Open |
| | alter | 24 | |
|---+--------------------------------+------------+----------|
| » | Factory configured - do not | pins 25 & | Open |
| | alter | 26 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (1) 256K x | NONE | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | NONE | NONE |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 3MB | (1) 256K x | (1) 256K x | (1) 256K x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 1M x 36 | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 7MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 1M x 36 | (1) 1M x 36 | (1) 256K x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 1M x 36 | (1) 1M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 13MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
+------------------------------------------------------------+