RINGO TECHNOLOGY, INC.
RT486SX/DX
|
Processor |
80486SX/80486DX/80486DX2 |
|
Processor Speed |
33/50/66(internal)MHz |
|
Chip Set |
OPTI |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
32MB |
|
Maximum Video Memory |
None |
|
Cache |
256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J22 |
Power LED & keylock |
P6 |
|
Speaker |
P5 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Battery type select internal |
J22 |
Pins 2 & 3 closed |
|
Battery type select Vectra battery |
J22 |
Open | |
|
CMOS memory clear |
J22 |
Pins 3 & 4 closed | |
|
|
Monitor type select color/EGA/VGA |
JP12 |
Closed |
|
Monitor type select monochrome |
JP12 |
Open | |
|
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 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION |
|
Note: Board is factory installed with 256KB cache and is not configurable. The location of the cache is unidentified. |
|
CPU TYPE SELECTION | |||||
|
Type |
J15 |
JP2 |
JP3 |
JP4 |
JP5 |
|
80486SX-33 |
Closed |
Open |
1 & 2 |
Open |
2 & 3 |
|
80486DX-33 |
Closed |
1 & 2 |
2 & 3 |
Closed |
2 & 3 |
|
80486DX-50 |
Closed |
1 & 2 |
2 & 3 |
Closed |
1 & 2 |
|
80486DX2-66 |
Closed |
1 & 2 |
2 & 3 |
Closed |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU TYPE SELECTION (CONT) | |||||
|
Type |
JP6 |
JP7 |
JP8 |
JP9 |
JP10 |
|
80486SX-33 |
Closed |
2 & 3 |
Open |
Open |
Closed |
|
80486DX-33 |
Closed |
2 & 3 |
Open |
Closed |
Closed |
|
80486DX-50 |
Closed |
2 & 3 |
Open |
Closed |
Closed |
|
80486DX2-66 |
Closed |
2 & 3 |
Open |
Closed |
Closed |
|
Note: Pins designated should be in the closed position. | |||||