NCR CORPORATION
MODEL 3225
Processor | 80386SX (exact location unidentified) |
Processor Speed | 25/33MHz |
Chip Set | Unidentified |
Video Chip Set | Unidentified |
Maximum Onboard Memory | 16MB |
Maximum Video Memory | 1MB |
Cache | None |
BIOS | Unidentified |
Dimensions | 391mm x 381mm |
I/O Options | Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot |
NPU Options | 80387SX (exact location unidentified) |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | BT1 | IDE interface | J7 |
PS/2 mouse port | J2 | Floppy drive interface | J11 |
Parallel port | J3 | Front panel LEDs | J15 |
Serial port 2 | J4 | Speaker | LS1 |
Serial port 1 | J5 | Riser slot | SL1 |
VGA port | J6 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
Password normal operation | J8 | Open | |
Password clear | J8 | 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 | |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
2MB | (2) 1M x 9 | None |
4MB | (2) 1M x 9 | (2) 1M x 9 |
8MB | (2) 4M x 9 | None |
16MB | (2) 4M x 9 | (2) 4M x 9 |
VIDEO MEMORY CONFIGURATION |
Note: The size of the chips for 512KB/1MB video memory is unidentified. The location of the banks is unidentified. |