TANDY/RADIO SHACK
2500 SX/33
Processor |
80386SX |
Processor Speed |
33MHz |
Chip Set |
Unidentified |
Video Chip Set |
Unidentified |
Maximum Onboard Memory |
10MB |
Maximum Video Memory |
1MB |
Cache |
None |
BIOS |
Unidentified |
Dimensions |
391mm x 384mm |
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial port, VGA port, riser slot, headphone connector, volume control |
NPU Options |
80387SX |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
VGA port |
CN1 |
Headphone connector |
CN6 |
PS/2 mouse port |
CN2 |
IDE interface |
CN7 |
Parallel port |
CN3 |
Floppy drive interface |
CN8 |
Serial port |
CN4 |
Riser slot |
SL1 |
Volume control |
CN5 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
|
On board video enabled |
J1 |
Pins 1 & 2 closed |
On board video disabled |
J1 |
Pins 2 & 3 closed |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
2MB |
2MB |
None |
4MB |
2MB |
(2) 1M x 9 |
10MB |
2MB |
(2) 4M x 9 |
Note: Bank 0 is factory installed and is not configurable. The location is unidentified. |
VIDEO MEMORY CONFIGURATION |
Note: Board accepts 512KB/1MB of video memory. The size of the chips are unidentified. The number of banks is unidentified. |