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# NCR CORPORATION
MODEL 3227
Processor 80486SX/80486DX/80486DX2
Processor Speed 25/33/50(internal)/66(internal)MHz
Chip Set Unidentified
Video Chip Set Unidentified
Maximum Onboard 32MB
Memory
Maximum Video 1MB
Memory
Cache None
BIOS Unidentified
Dimensions 310mm x 304mm
I/O Options Floppy drive interface, IDE interface,
parallel port, PS/2 mouse port, serial ports
(2), VGA port, riser slot
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+--------------------+----------|
| Serial port 2 | J2 | Front panel LEDs | J15 |
|-----------------+----------+--------------------+----------|
| Serial port 1 | J3 | Speaker | J16 |
|-----------------+----------+--------------------+----------|
| Parallel port | J4 | Test connector | P1 |
|-----------------+----------+--------------------+----------|
| VGA port | J5 | Floppy drive | P10 |
| | | interface | |
|-----------------+----------+--------------------+----------|
| PS/2 mouse port | J6 | Riser slot | SL1 |
|-----------------+----------+--------------------+----------|
| IDE interface | J11 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| | Connector/jumper information | P2 | Unidentified |
| | unavailable | | |
|---+---------------------------------+-------+--------------|
| » | Password normal operation | RK1 | Open |
|---+---------------------------------+-------+--------------|
| | Password clear | RK1 | Closed |
|---+---------------------------------+-------+--------------|
| » | On board video enabled | SW1/1 | On |
|---+---------------------------------+-------+--------------|
| | On board video disabled | SW1/1 | Off |
|---+---------------------------------+-------+--------------|
| » | Monitor type select color | SW1/2 | On |
|---+---------------------------------+-------+--------------|
| | Monitor type select monochrome | SW1/2 | Off |
|------------------------------------------------------------|
| Note: If SW1/1 is set to the "on" position, SW1/2 has no |
| function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | None |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | None |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
|------------------------------------------------------------|
| Note: The location of banks 0 & 1 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: The location of the 1MB video memory is |
| unidentified. |
+------------------------------------------------------------+