RELIALOGIC CORPORATION PRIVATE, LTD.
R486 VLQMBC
Processor |
80486SX/80486DX/80486DX2 |
Processor Speed |
25/33/50(internal)/66(internal)MHz |
Chip Set |
ALI |
Max. Onboard DRAM |
32MB |
Cache |
64/128/256KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit VESA local bus slots (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Power LED & keylock |
J1 |
Reset switch |
J5 |
Speaker |
J2 |
External battery |
JP17 |
Turbo switch |
J3 |
32-bit VESA Local bus slots |
SL1 & SL2 |
Turbo LED |
J4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Monitor type select color |
JP12 |
Closed |
Monitor type select monochrome |
JP12 |
Open | |
» |
CMOS memory normal operation |
JP16 |
pins 1 & 2 closed |
CMOS memory clear |
JP16 |
pins 2 & 3 closed | |
» |
Factory configured - do not alter |
JP33 |
pins 2 & 4 closed |
» |
Weitek Power 9000 VLB card not installed |
JP89 |
Closed |
Weitek Power 9000 VLB card installed |
JP89 |
Open | |
» |
Factory configured - do not alter |
JP94 |
pins 1 & 2 closed |
Note: The location of JP94 is unidentified. |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(4) 256K x 9 |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
NONE |
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
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 | |||
Size |
U6 to U9 |
U10 to U13 |
TAG |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||
Size |
JP7 |
JP8 |
64KB |
pins 2 & 3 closed |
pins 2 & 4 closed |
128KB |
pins 1 & 2 closed |
pins 2 & 3 closed |
256KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
CPU SPEED CONFIGURATION | ||||||
Speed |
JP2 |
JP3 |
JP4 |
ID2 |
ID3 |
JP72 |
25MHz |
Pins 2 & 3 closed |
Open |
Open |
Closed |
Open |
Closed |
33MHz (SX) |
Pins 2 & 3 closed |
Open |
Open |
Closed |
Open |
Open |
33MHz |
Pins 1 & 2, 3 & 4 closed |
Pins 2 & 3 closed |
Open |
Closed |
Open |
Open |
50iMHz |
Pins 2 & 3 closed |
Open |
Open |
Closed |
Open |
Closed |
66iMHz |
Pins 1 & 2, 3 & 4 closed |
Pins 2 & 3 closed |
Open |
Closed |
Open |
Open |