TANDY/RADIO SHACK
416 SX
|
Processor |
80386SX |
|
Processor Speed |
16MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
Unidentified |
|
Maximum Onboard Memory |
16MB (12MB on external memory card) |
|
Maximum Video Memory |
Unidentified |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
393mm x 381mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial port, VGA port, riser slot |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
PS/2 mouse port |
CN1 |
IDE interface |
CN6 |
|
Serial port |
CN2 |
Speaker |
CN7 |
|
Parallel port |
CN3 |
Speaker |
CN8 |
|
VGA port |
CN4 |
Riser slot |
SL1 |
|
Floppy drive interface |
CN5 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Factory configured - do not alter |
J1 |
Closed |
|
Factory configured - do not alter |
J2 |
Closed | |
|
|
Monitor type select color |
J3 |
Pins 2 & 3 closed |
|
Monitor type select monochrome |
J3 |
Pins 1 & 2 closed | |
|
|
Serial port IRQ select IRQ4 |
J4 |
Pins 2 & 3 closed |
|
Serial port IRQ select IRQ3 |
J4 |
Pins 1 & 2 closed | |
|
|
Parallel port IRQ select IRQ7 |
J5 |
Pins 2 & 3 closed |
|
Parallel port IRQ select IRQ5 |
J5 |
Pins 1 & 2 closed | |
|
|
On board video enabled |
J6 |
Pins 2 & 3 closed |
|
On board video disabled |
J6 |
Pins 1 & 2 closed | |
|
|
Video IRQ disabled |
J7 |
Pins 2 & 3 closed |
|
Video IRQ enabled |
J7 |
Pins 1 & 2 closed | |
|
|
NPU not installed |
J8 |
Pins 2 & 3 closed |
|
NPU installed |
J8 |
Pins 1 & 2 closed | |
|
|
Parallel port enabled |
S1/1 |
On |
|
Parallel port disabled |
S1/1 |
Off | |
|
|
Parallel port address select 378 - 37F |
S1/2 |
On |
|
Parallel port address select 278 - 37F |
S1/2 |
Off | |
|
|
Serial port enabled |
S1/3 |
On |
|
Serial port disabled |
S1/3 |
Off | |
|
|
Serial port address select 3F8 - 3FF |
S1/4 |
On |
|
Serial port address select 2F8 - 2FF |
S1/4 |
Off | |
|
|
Parallel port unidirectional |
S1/5 |
On |
|
Parallel port bidirectional |
S1/5 |
Off | |
|
|
Floppy drive address select 3F0 - 3F7 |
S1/6 |
On |
|
Floppy drive address select 370 - 377 |
S1/6 |
Off | |
|
|
Smart drive port select primary |
S1/7 |
On |
|
Smart drive port select secondary |
S1/7 |
Off | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
None |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
|
Note: The location of banks 0 & 1 are unidentified. | ||
|
VIDEO MEMORY CONFIGURATION |
|
Note: The size, location and chip sizes for the video memory is unidentified. |