RINGO TECHNOLOGY, INC.
RT486SX/DX (VLB)
Processor |
80486SX/80486DX/80486DX2 |
Processor Speed |
33/50(internal)/50/66(internal)MHz |
Chip Set |
OPTI |
Video Chip Set |
None |
Maximum Onboard Memory |
64MB |
Maximum Video Memory |
None |
Cache |
256KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit VESA local bus slots (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J6 |
Chassis fan power |
P7 |
Speaker |
P5 |
32-bit VESA local bus slots |
SL1 & SL2 |
Power LED & keylock |
P6 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Battery type select internal |
J6 |
Pins 2 & 3 closed |
Battery type select Vectra battery |
J6 |
Open | |
CMOS memory clear |
J6 |
Pins 3 & 4 closed | |
» |
Factory configured - do not alter |
JP1 |
Open |
» |
Factory configured - do not alter |
JP12 |
Open |
» |
Factory configured - do not alter |
JP13 |
Open |
» |
Monitor type select color/EGA/VGA |
JP21 |
Closed |
Monitor type select monochrome |
JP21 |
Open | |
» |
Factory configured - do not alter |
JP23 |
Open |
» |
Standard VESA card in SL1 |
JP24 |
Pins 2 & 3 closed |
» |
Battery type select Ni Cad |
JP26 |
Pins 2 & 3 closed |
» |
Factory configured - do not alter |
JP27 |
Pins 1 & 2 closed |
» |
Factory configured - do not alter |
JP28 |
Closed |
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 |
64MB |
(4) 16M x 9 |
None |
CACHE CONFIGURATION |
Note: Board is factory installed with 256KB cache and is not configurable. The location of the cache is unidentified. |
CACHE JUMPER CONFIGURATION | ||||
Size |
JP10 |
JP11 |
JP16 |
JP17 |
256KB |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Closed |
Closed |
CPU SPEED SELECTION | |||||
Speed |
JP6 |
JP7 |
JP8 |
JP9 |
JP22 |
33MHz |
Open |
Open |
Closed |
1 & 2 |
Open |
50iMHz |
Open |
Open |
Open |
1 & 2 |
Closed |
50MHz |
Open |
Closed |
Open |
1 & 2 |
Open |
66iMHz |
Open |
Open |
Closed |
1 & 2 |
Open |
Note: Pins designated should be in the closed position. |
CPU TYPE SELECTION | |||||||
Type |
JP2 |
JP14 |
JP15 |
JP18 |
JP19 |
JP20 |
JP25 |
80486SX |
Open |
Closed |
Closed |
Open |
2 & 3 |
1 & 2 |
2 & 3 |
80486DX |
Closed |
Closed |
Closed |
Closed |
1 & 2 |
1 & 2 |
2 & 3 |
80486DX2 |
Closed |
Closed |
Closed |
Closed |
1 & 2 |
1 & 2 |
2 & 3 |
Note: Pins designated should be in the closed position. |