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# NCR CORPORATION
CLASS 3433
Processor 80486DX
Processor Speed 25/33MHz
Chip Set NCR
Max. Onboard None
DRAM
Cache None
BIOS AMI
Dimensions 381mm x 254mm
I/O Options Serial port (2), parallel port, PS/2 mouse
port, VGA port, SCSI host adapter slot,
floppy drive interface, 32-bit external
memory card slots (4)
NPU Options 4167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+--------------------+----------|
| Video port | CN1 | Parallel port | CN6 |
|-----------------+----------+--------------------+----------|
| Keyboard port | CN2 | Floppy drive | CN7 |
| | | interface | |
|-----------------+----------+--------------------+----------|
| PS/2 mouse port | CN3 | MCA slot | S1, S2, |
| | | | S3, S4 |
|-----------------+----------+--------------------+----------|
| Serial port 2 | CN4 | 32-bit external | S5, S6, |
| | | memory card | S7, S8 |
|-----------------+----------+--------------------+----------|
| Serial port 1 | CN5 | SCSI host adapter | S9 |
| | | slot | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 3 | Bank 4 |
|-------+-------------+------------+------------+------------|
| 4MB | (36) 44256 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 16MB | (36) 441000 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 20MB | (36) 441000 | (36) 44256 | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 32MB | (36) 441000 | (36) | NONE | NONE |
| | | 441000 | | |
|-------+-------------+------------+------------+------------|
| 36MB | (36) 441000 | (36) | (36) 44256 | NONE |
| | | 441000 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (36) 441000 | (36) | (36) | NONE |
| | | 441000 | 441000 | |
|-------+-------------+------------+------------+------------|
| 52MB | (36) 441000 | (36) | (36) | (36) 44256 |
| | | 441000 | 441000 | |
|-------+-------------+------------+------------+------------|
| 64MB | (36) 441000 | (36) | (36) | (36) |
| | | 441000 | 441000 | 441000 |
|------------------------------------------------------------|
| Note:Each bank consists of one proprietary external memory |
| card. |
+------------------------------------------------------------+