VISION TECHNOLOGIES
VLR 486
Processor | CX486M6/80486SX/TI486SXL/TI486SXL2/80487SX/CX486M7/80486DX/ AM486DXL/486DX2/80486DX4/Pentium Overdrive |
Processor Speed | 25/33/40/50(internal)/50/66(internal)/66/75(internal)/80(internal)/ 100(internal)MHz |
Chip Set | ALI |
Max. Onboard DRAM | 128MB |
Cache | 32/64/128/256/512KB |
BIOS | Award |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit VESA local bus slots (3) |
NPU Options | None |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Reset switch | J1 | Turbo LED | J4 |
Power LED & keylock | J2 | Turbo switch | J5 |
Speaker | J3 | 32-bit VESA local bus slots | SL1 - SL3 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
Battery type select internal | J6 | pins 2 & 3 closed | |
Battery type select external | J6 | Closed | |
CMOS memory clear | J6 | pins 1 & 2 closed | |
Factory configured - do not alter | JP4 | N/A | |
Factory configured - do not alter | JP11 | pins 1 & 2 closed | |
Cache type select write through | JP16 | Open | |
Cache type select write back | JP16 | Closed | |
Factory configured - do not alter | JP18 | N/A | |
CPU type select Intel S series CPU | JP19 | Closed | |
CPU type select 5v general CPU | JP19 | Open | |
Factory configured - do not alter | JP22 | pins 2 & 3 closed | |
Factory configured - do not alter | JP29 | pins 2 & 3 closed | |
External power select standby mode | JP32 | pins 1 & 3 closed | |
External power select suspend mode | JP32 | pins 5 & 7 closed | |
Factory configured - do not alter | JP34 | Closed | |
Factory configured - do not alter | JP35 | Closed | |
Monitor type select color | JP39 | Closed | |
Monitor type select monochrome | JP39 | Open | |
Battery type select lithIum | JP42 | pins 2 & 3 closed | |
Battery type select NI-CD | JP42 | pins 1 & 2 closed | |
Note: The locations of JP29, JP34, and JP35 are unidentified. | |||
DRAM CONFIGURATION | |||
Size | Bank 0 | Bank 0/1 | Bank 1 |
1MB | (4) 256K x 9 | NONE | NONE |
1MB | NONE | (1) 256K x 36 | NONE |
1MB | NONE | NONE | (1) 256K x 36 |
2MB | (4) 256K x 9 | (1) 256K x 36 | NONE |
2MB | (4) 256K x 9 | NONE | (1) 256K x 36 |
2MB | NONE | (1) 256K x 36 | (1) 256K x 36 |
3MB | (4) 256K x 9 | (1) 256K x 36 | (1) 256K x 36 |
4MB | (4) 1M x 9 | NONE | NONE |
4MB | NONE | (1) 1M x 36 | NONE |
4MB | NONE | NONE | (1) 1M x 36 |
6MB | (4) 256K x 9 | (1) 1M x 36 | (1) 256K x 36 |
6MB | (4) 256K x 9 | (1) 256K x 36 | (1) 1M x 36 |
6MB | (4) 1M x 9 | (1) 256K x 36 | (1) 256K x 36 |
8MB | (4) 1M x 9 | (1) 1M x 36 | NONE |
8MB | (4) 1M x 9 | NONE | (1) 1M x 36 |
8MB | NONE | (1) 1M x 36 | (1) 1M x 36 |
9MB | (4) 256K x 9 | (1) 1M x 36 | (1) 1M x 36 |
9MB | (4) 1M x 9 | (1) 1M x 36 | (1) 256K x 36 |
9MB | (4) 1M x 9 | (1) 256K x 36 | (1) 1M x 36 |
16MB | (4) 4M x 9 | NONE | NONE |
16MB | NONE | (1) 4M x 36 | NONE |
DRAM CONFIGURATION (CON’T) | |||
Size | Bank 0 | Bank 0/1 | Bank 1 |
16MB | NONE | NONE | (1) 4M x 36 |
16MB | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 |
18MB | (4) 256K x 9 | (1) 4M x 36 | (1) 256K x 36 |
18MB | (4) 256K x 9 | (1) 256K x 36 | (1) 4M x 36 |
18MB | (4) 4M x 9 | (1) 256K x 36 | (1) 256K x 36 |
21MB | (4) 256K x 9 | (1) 4M x 36 | (1) 1M x 36 |
21MB | (4) 256K x 9 | (1) 1M x 36 | (1) 4M x 36 |
21MB | (4) 1M x 9 | (1) 4M x 36 | (1) 256K x 36 |
21MB | (4) 1M x 9 | (1) 256K x 36 | (1) 4M x 36 |
21MB | (4) 4M x 9 | (1) 1M x 36 | (1) 256K x 36 |
21MB | (4) 4M x 9 | (1) 256K x 36 | (1) 1M x 36 |
24MB | (4) 1M x 9 | (1) 4M x 36 | (1) 1M x 36 |
24MB | (4) 1M x 9 | (1) 1M x 36 | (1) 4M x 36 |
24MB | (4) 4M x 9 | (1) 1M x 36 | (1) 1M x 36 |
32MB | (4) 4M x 9 | (1) 4M x 36 | NONE |
32MB | (4) 4M x 9 | NONE | (1) 4M x 36 |
32MB | NONE | (1) 4M x 36 | (1) 4M x 36 |
33MB | (4) 256K x 9 | (1) 4M x 36 | (1) 4M x 36 |
33MB | (4) 4M x 9 | (1) 4M x 36 | (1) 256K x 36 |
33MB | (4) 4M x 9 | (1) 256K x 36 | (1) 4M x 36 |
36MB | (4) 1M x 9 | (1) 4M x 36 | (1) 4M x 36 |
36MB | (4) 4M x 9 | (1) 4M x 36 | (1) 1M x 36 |
36MB | (4) 4M x 9 | (1) 1M x 36 | (1) 4M x 36 |
48MB | (4) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 |
64MB | (4) 16M x 9 | NONE | NONE |
64MB | NONE | (1) 16M x 36 | NONE |
64MB | NONE | NONE | (1) 16M x 36 |
66MB | (4) 256K x 9 | (1) 16M x 36 | (1) 256K x 36 |
66MB | (4) 256K x 9 | (1) 256K x 36 | (1) 16M x 36 |
66MB | (4) 16M x 9 | (1) 256K x 36 | (1) 256K x 36 |
69MB | (4) 256K x 9 | (1) 1M x 36 | (1) 16M x 36 |
69MB | (4) 256K x 9 | (1) 16M x 36 | (1) 1M x 36 |
69MB | (4) 1M x 9 | (1) 16M x 36 | (1) 256K x 36 |
69MB | (4) 1M x 9 | (1) 256K x 36 | (1) 16M x 36 |
69MB | (4) 16M x 9 | (1) 1M x 36 | (1) 256K x 36 |
69MB | (4) 16M x 9 | (1) 256K x 36 | (1) 1M x 36 |
72MB | (4) 1M x 9 | (1) 16M x 36 | (1) 1M x 36 |
72MB | (4) 1M x 9 | (1) 1M x 36 | (1) 16M x 36 |
72MB | (4) 16M x 9 | (1) 1M x 36 | (1) 1M x 36 |
81MB | (4) 256K x 9 | (1) 16M x 36 | (1) 4M x 36 |
81MB | (4) 256K x 9 | (1) 4M x 36 | (1) 16M x 36 |
81MB | (4) 4M x 9 | (1) 16M x 36 | (1) 256K x 36 |
81MB | (4) 4M x 9 | (1) 256K x 36 | (1) 16M x 36 |
81MB | (4) 16M x 9 | (1) 4M x 36 | (1) 256K x 36 |
DRAM CONFIGURATION (CON’T) | |||
Size | Bank 0 | Bank 0/1 | Bank 1 |
81MB | (4) 16M x 9 | (1) 256K x 36 | (1) 4M x 36 |
84MB | (4) 1M x 9 | (1) 16M x 36 | (1) 4M x 36 |
84MB | (4) 1M x 9 | (1) 4M x 36 | (1) 16M x 36 |
84MB | (4) 4M x 9 | (1) 1M x 36 | (1) 16M x 36 |
84MB | (4) 16M x 9 | (1) 4M x 36 | (1) 1M x 36 |
84MB | (4) 16M x 9 | (1) 1M x 36 | (1) 4M x 36 |
96MB | (4) 4M x 9 | (1) 16M x 36 | (1) 4M x 36 |
96MB | (4) 4M x 9 | (1) 4M x 36 | (1) 16M x 36 |
96MB | (4) 16M x 9 | (1) 4M x 36 | (1) 4M x 36 |
128MB | (4) 16M x 9 | (1) 16M x 36 | NONE |
128MB | (4) 16M x 9 | NONE | (1) 16M x 36 |
128MB | NONE | (1) 16M x 36 | (1) 16M x 36 |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
32KB | (4) 8K x 8 | NONE | (1) 8K x 8 |
64KB | (4) 16K x 8 | NONE | (1) 8K x 8 |
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) 64K x 8 | NONE | (1) 16K x 8 |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 16K x 8 |
512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||
Size | JP23 | JP30 |
32KB | pins 6 & 7 closed | Open |
64KB | pins 4 & 5, 6 & 7 closed | pins 1 & 2 closed |
64KB | pins 5 & 6 closed | pins 1 & 2 closed |
128KB | pins 2 & 3, 4 & 5, 6 & 7 closed | pins 1 & 2, 3 & 4 closed |
256KB | pins 2 & 3, 4 & 5, 6 & 7 closed | pins 1 & 2, 3 & 4 closed |
256KB | pins 1 & 2, 3 & 4, 5 & 6 closed | pins 1 & 2, 3 & 4 closed |
512KB | pins 2 & 3, 4 & 5, 6 & 7 closed | pins 1 & 2, 3 & 4, 5 & 6 closed |
CPU TYPE CONFIGURATION | ||
Type | JP5 | JP27 |
TI486SXL | pins 2 & 3 Closed | pins 1 & 2 closed |
TI486SXL2 | pins 2 & 3 Closed | pins 1 & 2 closed |
Cyrix | pins 1 & 2 closed | pins 2 & 3 Closed |
Other CPU’s | Open | pins 2 & 3 Closed |
CPU TYPE CONFIGURATION | ||||
Type | JP13 | JP14 | JP15 | JP17 |
CX486M6 | Open | pins 1 & 2 closed | pins 1 & 2 closed | Open |
80486SX | Open | pins 1 & 2 closed | pins 1 & 2 closed | Open |
TI486SXL | Open | pins 1 & 2 closed | pins 1 & 2 closed | Open |
TI486SXL2 | Open | pins 1 & 2 closed | pins 1 & 2 closed | Open |
80487SX | pins 1 & 2 closed | pins 1 & 2 closed | pins 2 & 3 closed | Closed |
CX486M7 | pins 2 & 3 closed | pins 1 & 2 closed | pins 2 & 3 closed | Closed |
80486DX | pins 2 & 3 closed | pins 1 & 2 closed | pins 2 & 3 closed | Closed |
80486DX2 | pins 2 & 3 closed | pins 1 & 2 closed | pins 2 & 3 closed | Closed |
80486DX4 | pins 2 & 3 closed | pins 1 & 2 closed | pins 2 & 3 closed | Closed |
Pentium Overdrive | pins 1 & 2 closed | pins 2 & 3 closed | pins 2 & 3 closed | Closed |
CPU TYPE CONFIGURATION (CON’T) | |||
Type | JP20 | JP45 | JP46 |
CX486M6 | pins 1 & 2 closed | Open | Open |
80486SX | pins 1 & 2 closed | Open | Open |
TI486SXL | pins 1 & 2 closed | Closed | Closed |
TI486SXL2 | pins 1 & 2 closed | Closed | Closed |
80487SX | pins 1 & 2 closed | Open | Open |
CX486M7 | pins 1 & 2 closed | Open | Open |
80486DX | pins 1 & 2 closed | Open | Open |
80486DX2 | pins 1 & 2 closed | Open | Open |
80486DX4 | pins 1 & 2 closed | Open | Open |
Pentium Overdrive | pins 2 & 3 closed | Open | Open |
SMI CPU TYPE CONFIGURATION | |||
Type | JP1 | JP2 | JP3 |
80486 S-series | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
80486DX4 | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
AM486DXL | pins 1 & 2 closed | pins 2 & 3 closed | pins 2 & 3 closed |
CX486M6 | pins 2 & 3 closed | pins 4 & 5 closed | pins 4 & 5 closed |
CX486M7 | pins 2 & 3 closed | pins 4 & 5 closed | pins 4 & 5 closed |
TI486SXL | pins 1 & 2 closed | pins 5 & 6 closed | pins 1 & 2, 5 & 6 closed |
TI486SXL2 | pins 1 & 2 closed | pins 5 & 6 closed | pins 1 & 2, 5 & 6 closed |
5v general CPU | Open | Open | Open |
CPU SPEED CONFIGURATION (INTEL & CYRIX ONLY) | |||
Speed | JP28 | JP33 | JP36 |
25MHz | pins 1 & 2 closed | pins 1 & 2, 5 & 6 closed | pins 1 & 2 closed |
33MHz | pins 1 & 2 closed | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
40MHz | pins 1 & 2 closed | pins 5 & 6 closed | pins 1 & 2 closed |
50iMHz | pins 1 & 2 closed | pins 1 & 2, 5 & 6 closed | pins 1 & 2 closed |
50MHz | pins 2 & 3 closed | pins 1 & 2, 5 & 6 closed | pins 2 & 3 closed |
66iMHz | pins 1 & 2 closed | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
75iMHz | pins 1 & 2 closed | pins 1 & 2, 5 & 6 closed | pins 1 & 2 closed |
80iMHz | pins 1 & 2 closed | pins 5 & 6 closed | pins 1 & 2 closed |
100iMHz | pins 1 & 2 closed | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
CPU SPEED CONFIGURATION (TI ONLY) | |||
Speed | JP28 | JP33 | JP36 |
25MHz | pins 2 & 3 closed | pins 1 & 2, 5 & 6 closed | pins 1 & 2 closed |
33MHz | pins 2 & 3 closed | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
40MHz | pins 2 & 3 closed | pins 5 & 6 closed | pins 1 & 2 closed |
50iMHz | pins 2 & 3 closed | pins 1 & 2, 5 & 6 closed | pins 1 & 2 closed |
66iMHz | pins 2 & 3 closed | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
CPU VOLTAGE CONFIGURATION | |
Voltage | JP43 |
3.3v | pins 1 & 2 closed |
5v | pins 2 & 3 closed |
VESA WAIT STATE CONFIGURATION | |
Wait states | JP7 |
0 wait states | pins 1 & 2 closed |
1 wait state | pins 2 & 3 closed |
BUS SPEED CONFIGURATION | |
CPU speed | JP6 |
<= 33MHz | pins 1 & 2 closed |
> 33MHz | pins 2 & 3 closed |