VISION TECHNOLOGIES
SIS 486-471 VL BUS, VLT MB
Processor | CX486S/80486SX/SL80486SX/CX486DX/AM486DX/80486DX/AM486DXL/ SL80486DX/CX486DX2/AM486DX2/AM486DXL2/80486DX2/SL80486DX2/ 80486DX4 |
Processor Speed | 20/25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz |
Chip Set | SIS |
Max. Onboard DRAM | 128MB |
Cache | 64/128/256/512/1024KB |
BIOS | Award |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit VESA local bus slots (3), green PC connector |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J1 | Speaker | J7 |
Green PC connector (VGA) | J2 | Power LED & keylock | J8 |
Reset switch | J4 | Green PC connector | JP29 |
Turbo LED | J5 | 32-bit VESA local bus slots | SL1 - SL3 |
Turbo switch | J6 pins 2 & 3 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | JP20 | N/A |
Factory configured - do not alter | JP21 | N/A | |
» | Factory configured - do not alter | JP30 | Open |
» | Factory configured - do not alter | JP35 | N/A |
» | CMOS memory normal operation | JP38 | pins 1 & 2 closed |
CMOS memory clear | JP38 | pins 2 & 3 closed | |
» | Monitor type select monochrome/EGA/VGA | JP39 | Open |
Monitor type select CGA | JP39 | Closed | |
» | RC pin for break switch enabled | JP40 | pins 1 & 2 closed |
RC pin used for RC | JP40 | pins 2 & 3 closed |
DRAM CONFIGURATION 1 | ||
Size | Bank 0 | Bank 1 |
1MB | (4) 256K x 9 | NONE |
2MB | (4) 256K x 9 | (1) 256K x 36 |
4MB | (4) 1M x 9 | NONE |
8MB | (4) 1M x 9 | (1) 1M x 36 |
16MB | (4) 4M x 9 | NONE |
20MB | (4) 1M x 9 | (1) 4M x 36 |
32MB | (4) 4M x 9 | (1) 4M x 36 |
64MB | (4) 8M x 9 | (1) 8M x 36 |
128MB | (4) 16M x 9 | (1) 16M x 36 |
DRAM CONFIGURATION 2 | |||
Size | Bank 0 | Bank 1 | Bank 2 |
1MB | (4) 256K x 9 | NONE | NONE |
2MB | (4) 256K x 9 | (1) 256K x 36 | NONE |
4MB | (4) 1M x 9 | NONE | NONE |
5MB | (4) 256K x 9 | (1) 1M x 36 | NONE |
6MB | (4) 256K x 9 | (1) 256K x 36 | (1) 1M x 36 |
8MB | (4) 1M x 9 | (1) 1M x 36 | NONE |
12MB | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 |
16MB | (4) 4M x 9 | NONE | NONE |
17MB | (4) 256K x 9 | (1) 4M x 36 | NONE |
18MB | (4) 256K x 9 | (1) 256K x 36 | (1) 4M x 36 |
20MB | (4) 1M x 9 | (1) 4M x 36 | NONE |
24MB | (4) 1M x 9 | (1) 1M x 36 | (1) 4M x 36 |
32MB | (4) 4M x 9 | (1) 4M x 36 | NONE |
34MB | (4) 256K x 9 | (1) 256K x 36 | (1) 8M x 36 |
36MB | (4) 1M x 9 | (1) 4M x 36 | (1) 4M x 36 |
40MB | (4) 1M x 9 | (1) 1M x 36 | (1) 8M x 36 |
48MB | (4) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 |
48MB | (4) 4M x 9 | (1) 8M x 36 | NONE |
64MB | (4) 4M x 9 | (1) 4M x 36 | (1) 8M x 36 |
DRAM CONFIGURATION 2 (CON’T) | |||
Size | Bank 0 | Bank 1 | Bank 2 |
64MB | (4) 16M x 9 | NONE | NONE |
68MB | (4) 1M x 9 | (1) 8M x 36 | (1) 8M x 36 |
80MB | (4) 4M x 9 | (1) 8M x 36 | (1) 8M x 36 |
96MB | (4) 16M x 9 | (1) 8M x 36 | NONE |
128MB | (4) 16M x 9 | (1) 8M x 36 | (1) 8M x 36 |
DRAM CONFIGURATION 3 | |||
Size | Bank 0 | Bank 1 | Bank 2 |
1MB | NONE | (1) 256K x 36 | NONE |
2MB | NONE | (1) 256K x 36 | (1) 256K x 36 |
4MB | NONE | (1) 1M x 36 | NONE |
5MB | NONE | (1) 256K x 36 | (1) 1M x 36 |
6MB | (4) 1M x 9 | (1) 256K x 36 | (1) 256K x 36 |
8MB | NONE | (1) 1M x 36 | (1) 1M x 36 |
8MB | NONE | (1) 2M x 36 | NONE |
12MB | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 |
16MB | (4) 4M x 9 | NONE | NONE |
16MB | NONE | (1) 4M x 36 | NONE |
17MB | NONE | (1) 256K x 36 | (1) 4M x 36 |
18MB | (4) 4M x 9 | (1) 256K x 36 | (1) 256K x 36 |
20MB | NONE | (1) 1M x 36 | (1) 4M x 36 |
24MB | (4) 4M x 9 | (1) 1M x 36 | (1) 1M x 36 |
32MB | NONE | (1) 4M x 36 | (1) 4M x 36 |
32MB | NONE | (1) 8M x 36 | NONE |
36MB | (4) 4M x 9 | (1) 1M x 36 | (1) 4M x 36 |
36MB | NONE | (1) 1M x 36 | (1) 8M x 36 |
48MB | (4) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 |
48MB | NONE | (1) 4M x 36 | (1) 8M x 36 |
64MB | (4) 16M x 9 | NONE | NONE |
72MB | (4) 16M x 9 | (1) 1M x 36 | (1) 1M x 36 |
96MB | (4) 16M x 9 | (1) 4M x 36 | (1) 4M x 36 |
128MB | (4) 16M x 9 | (1) 8M x 36 | (1) 8M x 36 |
DRAM JUMPER CONFIGURATION | ||
Configuration | JP36 | JP37 |
1 | pins 1 & 2 closed | Open |
2 | pins 1 & 2 closed | pins 2 & 3 closed |
3 | pins 2 & 3 closed | pins 1 & 2 closed |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
128KB | (4) 32K x 8 | NONE | (1) 8K or (1) 16K x 8 |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 16K x 8 |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
512KB | (8) 64K x 8 | NONE | (1) 32K x 8 |
1MB | (4) 128K x 8 | (4) 128K x 8 | (1) 128K x 8 |
Note: The location of the TAG is unidentified. |
CACHE JUMPER CONFIGURATION | |||||||
Size | JP1 | JP2 | JP3 | JP25 | JP26 | JP27 | JP28 |
64KB | 1 & 2 | 2 & 3 | 2 & 3, 4 & 5 | 1 & 2 | 1 & 2 | 1 & 2 | Open |
128KB | 2 & 3 | 1 & 2 | 1 & 2, 3 & 4 | 2 & 3 | 1 & 2 | 1 & 2 | Open |
256KB | 2 & 3 | 2 & 3 | 2 & 3, 4 & 5 | 2 & 3 | Open | Open | Closed |
256KB | 2 & 3 | 2 & 3 | 2 & 3, 4 & 5 | 2 & 3 | 2 & 3 | 1 & 2 | Open |
512KB | 2 & 3 | 1 & 2 | 1 & 2, 3 & 4 | 2 & 3 | 2 & 3 | 2 & 3 | Open |
1MB | 2 & 3 | 2 & 3 | 2 & 3, 4 & 5 | 2 & 3 | 2 & 3 | 2 & 3 | Open |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | |||||
Type | JP4 | JP5 | JP6 | JP7 | JP8 |
CX486SX | Open | Open | Open | 2 & 3 | 2 & 3 |
80486SX | Open | Open | Open | 3 & 4 | Open |
SL80486SX | Open | Open | Open | 1 & 2, 3 & 4 | Open |
CX486DX | Open | Open | Open | 1 & 2, 3 & 4 | 2 & 3 |
80486DX | Open | Open | Open | 1 & 2, 3 & 4 | Open |
SL80486DX | Open | Open | Open | 1 & 2, 3 & 4 | Open |
CX486DX2-66 | Open | Open | Open | 1 & 2, 3 & 4 | 2 & 3 |
CX486DX2-80 | Open | Open | Open | 1 & 2, 3 & 4 | 2 & 3 |
AM486DX2 | Open | Open | Open | 1 & 2, 3 & 4 | Open |
AM486DXL2 | Open | Open | Open | 1 & 2, 3 & 4 | Open |
80486DX2 | Open | Open | Open | 1 & 2, 3 & 4 | Open |
SL80486DX2 | Open | Open | Open | 1 & 2, 3 & 4 | Open |
80486DX4 | Open | Open | Open | 1 & 2, 3 & 4 | Open |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CON’T) | |||||
Type | JP9 | JP10 | JP11 | JP12 | JP13 |
CX486SX | 2 & 3 | 1 & 2 | 2 & 3 | Open | 1 & 2, 3 & 4 |
80486SX | 2 & 3 | 1 & 2 | Open | Open | Open |
SL80486SX | 2 & 3 | 1 & 2 | Open | Open | 2 & 3 |
CX486DX | 2 & 3 | 1 & 2 | 2 & 3 | 3 & 4 | 1 & 2, 3 & 4 |
80486DX | 2 & 3 | 1 & 2 | Open | 3 & 4 | Open |
SL80486DX | 2 & 3 | 1 & 2 | Open | 3 & 4 | 2 & 3 |
CX486DX2-66 | 2 & 3 | 1 & 2 | 2 & 3 | 3 & 4 | 1 & 2, 3 & 4 |
CX486DX2-80 | 2 & 3 | 1 & 2 | 2 & 3 | 3 & 4 | 1 & 2, 3 & 4 |
AM486DX2 | 2 & 3 | 1 & 2 | Open | 3 & 4 | Open |
AM486DXL2 | 2 & 3 | 2 & 3 | 3 & 4 | 1 & 2, 3 & 4 | Open |
80486DX2 | 2 & 3 | 1 & 2 | Open | 3 & 4 | Open |
SL80486DX2 | 2 & 3 | 1 & 2 | Open | 3 & 4 | 2 & 3 |
80486DX4 | 2 & 3 | 1 & 2 | Open | 3 & 4 | 2 & 3 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CON’T) | ||||||
Type | JP14 | JP15 | JP16 | JP17 | JP18 | JP19 |
CX486SX | 2 & 3, 4 & 5 | Open | Open | 2 & 3 | Closed | 2 & 3 |
80486SX | Open | Open | Open | Open | Closed | 2 & 3 |
SL80486SX | 3 & 4 | Open | 1 & 2 | 4 & 5 | Closed | 2 & 3 |
CX486DX | 2 & 3, 4 & 5 | Open | Open | 2 & 3 | Closed | 2 & 3 |
80486DX | Open | Open | Open | Open | Closed | 2 & 3 |
SL80486DX | 3 & 4 | Open | 1 & 2 | 4 & 5 | Closed | 2 & 3 |
CX486DX2-66 | 2 & 3, 4 & 5 | Open | Open | 2 & 3 | Closed | 2 & 3 |
CX486DX2-80 | 2 & 3 | Open | Open | 2 & 3 | Closed | 2 & 3 |
AM486DX2 | Open | Open | Open | Open | Closed | 2 & 3 |
AM486DXL2 | Open | Open | Open | Open | Closed | 2 & 3 |
80486DX2 | Open | Open | Open | Open | Closed | 2 & 3 |
SL80486DX2 | 3 & 4 | Open | 1 & 2 | 4 & 5 | Closed | 2 & 3 |
80486DX4 | 3 & 4 | Open | 1 & 2 | 4 & 5 | Open | 2 & 3 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CON’T) | |||||
Type | JP33 | JP34 | JP41 | JP42 | JP43 |
CX486SX | 1 & 2 | 2 & 3 | 3 & 4, 5 & 6 | Open | Open |
80486SX | 2 & 3 | 1 & 2 | 3 & 4, 5 & 6 | Open | Open |
SL80486SX | 2 & 3 | 1 & 2 | 3 & 4, 5 & 6 | Open | Open |
CX486DX | 1 & 2 | 2 & 3 | 3 & 4, 5 & 6 | Open | Open |
80486DX | 2 & 3 | 1 & 2 | 3 & 4, 5 & 6 | Open | Open |
SL80486DX | 2 & 3 | 1 & 2 | 3 & 4, 5 & 6 | Open | Open |
CX486DX2-66 | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 | Closed | Open |
CX486DX2-80 | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 | Closed | Open |
AM486DX2 | 2 & 3 | 1 & 2 | 1 & 2, 3 & 4 | Open | Closed |
AM486DXL2 | 1 & 2 | 2 & 3 | 3 & 4, 5 & 6 | Open | Open |
80486DX2 | 2 & 3 | 1 & 2 | 3 & 4, 5 & 6 | Open | Open |
SL80486DX2 | 2 & 3 | 1 & 2 | 3 & 4, 5 & 6 | Open | Open |
80486DX4 | 2 & 3 | 1 & 2 | 1 & 2, 3 & 4 | Closed | Open |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION (AV9107) | |||
Speed | JP22 | JP23 | JP24 |
20MHz | Closed | Open | Closed |
25MHz | Closed | Closed | Open |
33MHz | Open | Closed | Closed |
40MHz | Closed | Open | Open |
50iMHz | Closed | Closed | Open |
50MHz | Open | Open | Closed |
66iMHz | Open | Closed | Closed |
75iMHz | Closed | Closed | Open |
100iMHz | Open | Closed | Closed |
CPU SPEED CONFIGURATION (MX8315) | |||
Speed | JP22 | JP23 | JP24 |
20MHz | Open | Open | Open |
25MHz | Open | Closed | Open |
33MHz | Closed | Closed | Closed |
40MHz | Open | Closed | Closed |
50iMHz | Open | Closed | Open |
50MHz | Closed | Open | Open |
66iMHz | Closed | Closed | Closed |
75iMHz | Open | Closed | Open |
100iMHz | Closed | Closed | Closed |
VESA WAIT STATE CONFIGURATION | |
Wait states | JP31 |
0 wait states | pins 1 & 2 closed |
1 wait state | pins 2 & 3 closed |
BUS SPEED CONFIGURATION | |
CPU speed | JP32 |
<= 33MHz | pins 1 & 2 closed |
> 33MHz | pins 2 & 3 closed |