NCR CORPORATION
MODEL 3230
|
Processor |
80486SX/486Overdrive/80487SX/80486DX/486Overdrive/80486DX2 |
|
Processor Speed |
25/33/50(internal)/66(internal)MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
Unidentified |
|
Maximum Onboard Memory |
32MB |
|
Maximum Video Memory |
1MB |
|
Cache |
Unidentified |
|
BIOS |
Unidentified |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 2 |
J2 |
IDE interface |
J11 |
|
Serial port 1 |
J3 |
Front panel LEDs |
J15 |
|
Parallel port |
J4 |
Cache memory connector |
P1 |
|
VGA port |
J5 |
Floppy drive interface |
P9 |
|
PS/2 mouse port |
J6 |
Riser slot |
SL1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
Jumper not used |
J16 |
N/A | |
|
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 | |
|
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) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
VIDEO MEMORY CONFIGURATION |
|
Note: Board accepts 512KB/1MB video memory. The chip sizes and bank location are unidentified. |
|
CPU TYPE SELECTION | ||
|
Type |
SW1/3 |
SW1/4 |
|
80486SX |
On |
Off |
|
486SX Overdrive |
Off |
Off |
|
80487SX |
Off |
Off |
|
80486DX |
Off |
On |
|
486DX Overdrive |
On |
Off |
|
80486DX2 |
Off |
On |