SILICON STAR INTERNATIONAL, INC.
486 VESA AG4
Processor | CX486SX/80486SX/80487SX/CX486DX/80486DX/80486DX2/Pentium Overdrive |
Processor Speed | 20/25/33/40(internal)/50(internal)/50/66(internal)/75(internal)/83(internal)/ 100(internal)MHz |
Chip Set | SIS |
Max. Onboard DRAM | 128MB |
Cache | 128/256/512KB |
BIOS | AMI/Award |
Dimensions | 260mm x 220mm |
I/O Options | 32-bit VESA local bus slots (3), green PC connector |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J1 | Reset switch | J6 |
Turbo switch | J3 | Power LED & keylock | J7 |
Turbo LED | J4 | Green PC connector | JP45 |
Speaker | J5 | 32-bit VESA Local bus slots | SL1 - SL3 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | J2 | Open |
» | Turbo mode enabled | J3 | pins 2 & 3 closed |
Turbo mode disabled | J3 | pins 1 & 2 closed | |
» | CMOS memory normal operation | JP16 | pins 1 & 2 closed |
CMOS memory clear | JP16 | pins 2 & 3 closed | |
» | Monitor type select color | JP17 | Closed |
Monitor type select monochrome | JP17 | Open | |
» | Enter break switch | JP19 | pins 1 & 2 closed |
Leave break switch | JP19 | pins 2 & 3 closed | |
» | Factory configured - do not alter | JP23 | pins 1 & 2 closed |
» | Suspend mode disabled | JP26 | Open |
Suspend mode enabled | JP26 | Closed | |
» | Factory configured - do not alter | JP30 | Open |
» | Factory configured - do not alter | JP31 | Open |
» | Factory configured - do not alter | JP42 | Closed |
Note: The location of JP23 & JP26 is unidentified. |
DRAM CONFIGURATION | |||
Size | Bank 0 | Bank 1 | Bank 2 |
1MB | NONE | NONE | (1) 256K x 36 |
1MB | (4) 256K x 9 | NONE | NONE |
2MB | NONE | (1) 256K x 36 | (1) 256K x 36 |
2MB | NONE | NONE | (1) 512K x 36 |
2MB | (4) 256K x 9 | NONE | (1) 256K x 36 |
4MB | NONE | NONE | (1) 1M x 36 |
4MB | NONE | (1) 512K x 36 | (1) 512K x 36 |
4MB | (4) 1M x 9 | NONE | NONE |
5MB | NONE | (1) 1M x 36 | (1) 256K x 36 |
5MB | (4) 256K x 9 | NONE | (1) 1M x 36 |
6MB | (4) 1M x 9 | (1) 256K x 36 | (1) 256K x 36 |
6MB | NONE | (1) 1M x 36 | (1) 512K x 36 |
6MB | (4) 256K x 9 | (1) 1M x 36 | (1) 256K x 36 |
8MB | (4) 1M x 9 | (1) 512K x 36 | (1) 512K x 36 |
8MB | NONE | (1) 1M x 36 | (1) 1M x 36 |
8MB | NONE | NONE | (1) 2M x 36 |
8MB | (4) 1M x 9 | NONE | (1) 1M x 36 |
10MB | (4) 256K x 9 | (1) 2M x 36 | (1) 256K x 36 |
12MB | (4) 1M x 9 | NONE | (1) 2M x 36 |
12MB | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 |
16MB | NONE | (1) 2M x 36 | (1) 2M x 36 |
16MB | NONE | NONE | (1) 4M x 36 |
16MB | (4) 1M x 9 | (1) 2M x 36 | (1) 1M x 36 |
16MB | (4) 1M x 9 | (1) 1M x 36 | (1) 2M x 36 |
17MB | NONE | (1) 4M x 36 | (1) 256K x 36 |
17MB | (4) 256K x 9 | NONE | (1) 4M x 36 |
DRAM CONFIGURATION (CON’T) | |||
Size | Bank 0 | Bank 1 | Bank 2 |
18MB | (4) 4M x 9 | (1) 256K x 36 | (1) 256K x 36 |
18MB | NONE | (1) 4M x 36 | (1) 512K x 36 |
18MB | (4) 256K x 9 | (1) 4M x 36 | (1) 256K x 36 |
20MB | (4) 4M x 9 | (1) 512K x 36 | (1) 512K x 36 |
20MB | NONE | (1) 4M x 36 | (1) 1M x 36 |
24MB | (4) 4M x 9 | (1) 1M x 36 | (1) 1M x 36 |
24MB | (4) 1M x 9 | (1) 4M x 36 | (1) 1M x 36 |
32MB | NONE | (1) 4M x 36 | (1) 4M x 36 |
32MB | NONE | NONE | (1) 8M x 36 |
32MB | (4) 4M x 9 | NONE | (1) 4M x 36 |
36MB | (4) 4M x 9 | (1) 4M x 36 | (1) 1M x 36 |
36MB | NONE | (1) 8M x 36 | (1) 1M x 36 |
36MB | (4) 1M x 9 | NONE | (1) 8M x 36 |
36MB | (4) 1M x 9 | (1) 4M x 36 | (1) 4M x 36 |
40MB | (4) 1M x 9 | (1) 8M x 36 | (1) 1M x 36 |
48MB | NONE | (1) 8M x 36 | (1) 4M x 36 |
48MB | (4) 4M x 9 | NONE | (1) 8M x 36 |
48MB | (4) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 |
64MB | NONE | (1) 8M x 36 | (1) 8M x 36 |
64MB | NONE | NONE | (1) 16M x 36 |
64MB | (4) 4M x 9 | (1) 4M x 36 | (1) 8M x 36 |
64MB | (4) 16M x 9 | NONE | NONE |
64MB | (4) 4M x 9 | (1) 8M x 36 | (1) 4M x 36 |
64MB | (4) 16M x 9 | NONE | NONE |
65MB | NONE | (1) 16M x 36 | (1) 256K x 36 |
65MB | (4) 256K x 9 | NONE | (1) 16M x 36 |
68MB | NONE | (1) 16M x 36 | (1) 1M x 36 |
72MB | (4) 16M x 9 | (1) 1M x 36 | (1) 1M x 36 |
72MB | (4) 1M x 9 | (1) 16M x 36 | (1) 1M x 36 |
80MB | NONE | (1) 16M x 36 | (1) 4M x 36 |
80MB | (4) 4M x 9 | NONE | (1) 16M x 36 |
96MB | (4) 16M x 9 | (1) 4M x 36 | (1) 4M x 36 |
128MB | NONE | (1) 16M x 36 | (1) 16M x 36 |
128MB | (4) 16M x 9 | NONE | (1) 16M x 36 |
DRAM JUMPER CONFIGURATION | |||||
Bank 0 | Bank 1 | Bank 2 | JP33 | JP34 | JP35 |
SIMM 1-4 | SIMM 6 (S) | SIMM 5 (S) | Open | 1 & 2 | Open |
SIMM 1-4 | SIMM 6 (D) | SIMM 5 (S) | Open | 1 & 2 | Closed |
SIMM 1-4 | SIMM 6 (S) | SIMM 5 (D) | 2 & 3 | 1 & 2 | Open |
SIMM 6 (S) | SIMM 5 (S) | SIMM 1-4 | 1 & 2 | 2 & 3 | Open |
SIMM 6 (D) | SIMM 5 (D) | SIMM 1-4 | 1 & 2 | 2 & 3 | Open |
SIMM 6 (D) | SIMM 5 (S) | NONE | 1 & 2 | 2 & 3 | Open |
SIMM 6 (D) | SIMM 5 (D) | SIMM 1-4 | 1 & 2 | 2 & 3 | Open |
Note:Pins designated should be in the closed positon. |
DRAM JUMPER CONFIGURATION (CON’T) | |||||
Bank 0 | Bank 1 | Bank 2 | JP36 | JP37 | JP38 |
SIMM 1-4 | SIMM 6 (S) | SIMM 5 (S) | 2 & 3 | Open | 2 & 3 |
SIMM 1-4 | SIMM 6 (D) | SIMM 5 (S) | 2 & 3 | 2 & 3 | Open |
SIMM 1-4 | SIMM 6 (S) | SIMM 5 (D) | 2 & 3 | Open | 2 & 3 |
SIMM 6 (S) | SIMM 5 (S) | SIMM 1-4 | 1 & 2 | 1 & 2 | 1 & 2 |
SIMM 6 (D) | SIMM 5 (D) | SIMM 1-4 | 1 & 2 | 1 & 2 | 1 & 2 |
SIMM 6 (D) | SIMM 5 (S) | NONE | 1 & 2 | 1 & 2 | 1 & 2 |
SIMM 6 (D) | SIMM 5 (D) | SIMM 1-4 | 1 & 2 | 1 & 2 | 1 & 2 |
Note:Pins designated should be in the closed positon. |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
256KB | (4) 64K x 8 | NONE | (1) 32K x 8 |
512KB | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 |
512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |||||
Size | JP1 | JP2 | JP4 | JP40 | JP41 |
128KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
256KB | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 |
256KB | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 |
512KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
512KB | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | ||||||||
Type | JP8 | JP9 | JP10 | JP11 | JP12 | JP13 | JP14 | JP15 |
CX486SX | 2 & 3 | Open | 2 & 3 | Open | 2-3, 4-5 | Open | 1-2, 3-4 | 2 & 3 |
486SX | 2 & 3 | Open | 2 & 3 | Open | Open | Open | Open | Open |
486SL | 1 & 2 | Closed | 2 & 3 | 2 & 3 | 3 & 4 | Open | 2 & 3 | 4 & 5 |
CX486DX | 1 & 2 | Closed | 2 & 3 | 2 & 3 | 2 & 3 | Open | 1-2, 3-4 | 2 & 3 |
486DX/DX2 | 1 & 2 | Closed | 2 & 3 | 2 & 3 | Open | Open | Open | Open |
486DX4 | 1 & 2 | Closed | 2 & 3 | 2 & 3 | 3 & 4 | Open | 2 & 3 | 4 & 5 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CON’T) | |||||||
Type | JP21 | JP22 | JP24 | JP25 | JP46 | JP48 | JP50 |
CX486SX | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
486SX | 2 & 3 | 1 & 2 | 1 & 2 | Open | 2 & 3 | 2 & 3 | 2 & 3 |
486SL | 2 & 3 | 1 & 2 | Open | Open | 2 & 3 | 2 & 3 | 2 & 3 |
CX486DX | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
486DX/DX2 | 2 & 3 | 1 & 2 | 1 & 2 | Open | 2 & 3 | 2 & 3 | 2 & 3 |
486DX4 | 2 & 3 | 1 & 2 | Open | Open | 2 & 3 | 1 & 2 | 1 & 2 |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION | ||||||||
Speed | JP5 | JP6 | JP7 | JP20 | JP32 | JP47 | JP49 | JP51 |
20MHz | Closed | Open | Closed | 1 & 2 | Closed | Open | Open | Open |
25MHz | Closed | Closed | Open | 1 & 2 | Closed | Open | Open | Open |
33MHz | Open | Closed | Closed | 1 & 2 | Closed | Open | Open | Open |
40MHz | Closed | Open | Open | 2 & 3 | Closed | Open | Open | Open |
50iMHz | Closed | Closed | Open | 1 & 2 | Closed | Open | Open | Open |
50MHz | Open | Open | Closed | 1 & 2 | Closed | Open | Open | Open |
66iMHz | Open | Closed | Closed | 1 & 2 | Closed | Open | Open | Open |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION (DX4 ONLY) | ||||||||
Speed | JP5 | JP6 | JP7 | JP20 | JP32 | JP47 | JP49 | JP51 |
25/75MHz | Closed | Closed | Open | 1 & 2 | Open | 2 & 3 | 1 & 2 | Open |
33/83MHz | Open | Closed | Closed | 1 & 2 | Open | 2 & 3 | Open | Closed |
33/100MHz | Open | Closed | Closed | 1 & 2 | Open | 1 & 2 | 1 & 2 | Open |
50/100MHz | Open | Open | Closed | 1 & 2 | Open | 1 & 2 | 2 & 3 | Open |
Note: Pins designated should be in the closed position. |
VESA WAIT STATE CONFIGURATION | |
Wait states | JP28 |
0 wait states | pins 1 & 2 closed |
1 wait state | pins 2 & 3 closed |
VESA BUS SPEED CONFIGURATION | |
CPU speed | JP29 |
< = 33MHz | pins 1 & 2 closed |
> 33MHz | pins 2 & 3 closed |
GREEN PC CONFIGURATION | |
Description | JP45 |
Control video HSYNC | pin 1 |
Ground | pin 2 |
Control video VSYNC | pin 3 |
Ground | pin 4 |
Control ENVIDEO | pin 5 |
Ground | pin 6 |
Monitor AC power | pin 7 |
Ground | pin 8 |