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 (CONT) | |||
|
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 (CONT) | |||||
|
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 (CONT) | ||||||
|
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 (CONT) | |||||
|
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 |