SILICON STAR INTERNATIONAL, INC.
AN4R2/AN4TR2 REV. 1.1 & REV. 1.2
Processor |
SL80486SX/80486SX/CX486DX/SL80486DX/80486DX/CX486DX2/AM486DX2/SL80486DX2/80486DX2/80486DX4 |
Processor Speed |
20/25/33/40/50(internal)/66(internal)/75(internal)/83(internal)/100(internal)MHz |
Chip Set |
Unidentified |
Max. Onboard DRAM |
128MB |
Cache |
128/256/512KB |
BIOS |
AMI/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 |
JP25 |
Reset switch |
JW3 |
Green PC connector (monitor) |
JP46 pins 1 - 3 |
Turbo switch |
JW4 |
Green PC connector |
JP46 pins 7 & 8 |
Turbo LED |
JW5 |
Power LED & keylock |
JW1 |
32-bit VESA local bus slots |
SL1 - SL3 |
Speaker |
JW2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
Factory configured - do not alter |
JP3 |
pins 2 & 3 closed |
|
Factory configured - do not alter |
JP4 |
pins 1 & 2 closed |
|
Factory configured - do not alter |
JP6 |
N/A |
|
Factory configured - do not alter |
JP13 |
Closed |
|
Factory configured - do not alter |
JP14 |
pins 1 & 2 closed |
|
Factory configured - do not alter |
JP15 |
Open |
|
Factory configured - do not alter |
JP16 |
Closed |
|
CMOS memory normal operation |
JP21 |
pins 1 & 2 closed |
CMOS memory clear |
JP21 |
pins 2 & 3 closed | |
|
Factory configured - do not alter |
JP41 |
Open |
|
Factory configured - do not alter |
JP49 |
pins 1 & 2 closed |
|
Factory configured - do not alter |
JP52 |
N/A |
|
Factory configured - do not alter |
JP60 |
N/A |
|
Factory configured - do not alter |
JP62 |
N/A |
DRAM CONFIGURATION | ||||
Size |
SIMM 1 - 4 |
SIMM 5 - 8 |
SIMM 9 |
SIMM 10 |
1MB |
NONE |
NONE |
(1) 256K x 36 |
NONE |
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
2MB |
NONE |
NONE |
(1) 256K x 36 |
(1) 256K x 36 |
2MB |
(4) 256K x 9 |
NONE |
NONE |
(1) 256K x 36 |
2MB |
NONE |
NONE |
(1) 512K x 36 |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
4MB |
NONE |
NONE |
(1) 1M x 36 |
NONE |
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
4MB |
NONE |
NONE |
(1) 512K x 36 |
(1) 512K x 36 |
4MB |
(4) 256K x 9 |
NONE |
(1) 512K x 36 |
(1) 256K x 36 |
4MB |
(4) 256K x 9 |
(4) 256K x 9 |
(1) 512K x 36 |
NONE |
5MB |
NONE |
NONE |
(1) 256K x 36 |
(1) 1M x 36 |
5MB |
(4) 256K x 9 |
NONE |
NONE |
(1) 1M x 36 |
6MB |
(4) 1M x 9 |
NONE |
(1) 256K x 36 |
(1) 256K x 36 |
6MB |
(4) 256K x 9 |
NONE |
(1) 1M x 36 |
(1) 256K x 36 |
6MB |
NONE |
NONE |
(1) 512K x 36 |
(1) 1M x 36 |
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(1) 1M x 36 |
NONE |
8MB |
NONE |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
8MB |
(4) 1M x 9 |
NONE |
NONE |
(1) 1M x 36 |
8MB |
NONE |
NONE |
(1) 2M x 36 |
NONE |
8MB |
(4) 1M x 9 |
NONE |
(1) 512K x 36 |
(1) 512K x 36 |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
10MB |
(4) 1M x 9 |
(4) 1M x 9 |
(1) 256K x 36 |
(1) 256K x 36 |
10MB |
(4) 256K x 9 |
(4) 256K x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
12MB |
(4) 1M x 9 |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
DRAM CONFIGURATION (CONT) | ||||
Size |
SIMM 1 - 4 |
SIMM 5 - 8 |
SIMM 9 |
SIMM 10 |
12MB |
(4) 1M x 9 |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(1) 512K x 36 |
(1) 512K x 36 |
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(1) 1M x 36 |
NONE |
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
NONE |
NONE |
(1) 4M x 36 |
NONE |
16MB |
(4) 4M x 9 |
NONE |
NONE |
NONE |
16MB |
NONE |
NONE |
(1) 2M x 36 |
(1) 2M x 36 |
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(4) 4M x 9 |
NONE |
NONE |
NONE |
17MB |
NONE |
NONE |
(1) 256K x 36 |
(1) 4M x 36 |
17MB |
(4) 256K x 9 |
NONE |
NONE |
(1) 4M x 36 |
18MB |
(4) 4M x 9 |
NONE |
(1) 256K x 36 |
(1) 256K x 36 |
18MB |
(4) 256K x 9 |
NONE |
(1) 4M x 36 |
(1) 256K x 36 |
18MB |
NONE |
NONE |
(1) 512K x 36 |
(1) 4M x 36 |
18MB |
(4) 256K x 9 |
(4) 256K x 9 |
(1) 4M x 36 |
NONE |
20MB |
NONE |
NONE |
(1) 1M x 36 |
(1) 4M x 36 |
20MB |
(4) 1M x 9 |
NONE |
NONE |
(1) 4M x 36 |
20MB |
(4) 4M x 9 |
NONE |
(1) 512K x 36 |
(1) 512K x 36 |
24MB |
(4) 4M x 9 |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
24MB |
(4) 1M x 9 |
NONE |
(1) 4M x 36 |
(1) 1M x 36 |
24MB |
(4) 1M x 9 |
(4) 4M x 9 |
(1) 512K x 36 |
(1) 512K x 36 |
24MB |
(4) 1M x 9 |
(4) 1M x 9 |
(1) 4M x 36 |
NONE |
32MB |
NONE |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
32MB |
(4) 4M x 9 |
NONE |
NONE |
(1) 4M x 36 |
32MB |
NONE |
NONE |
(1) 8M x 36 |
NONE |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
36MB |
(4) 4M x 9 |
NONE |
(1) 1M x 36 |
(1) 4M x 36 |
36MB |
(4) 1M x 9 |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
36MB |
(4) 4M x 9 |
(4) 4M x 9 |
(1) 512K x 36 |
(1) 512K x 36 |
36MB |
(4) 1M x 9 |
NONE |
(1) 8M x 36 |
NONE |
36MB |
(4) 1M x 9 |
(4) 4M x 9 |
(1) 4M x 36 |
NONE |
40MB |
(4) 4M x 9 |
(4) 4M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
40MB |
(4) 1M x 9 |
NONE |
(1) 8M x 36 |
(1) 1M x 36 |
40MB |
(4) 1M x 9 |
(4) 1M x 9 |
(1) 8M x 36 |
NONE |
40MB |
(4) 1M x 9 |
(4) 1M x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
48MB |
(4) 4M x 9 |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
48MB |
(4) 4M x 9 |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
48MB |
(4) 4M x 9 |
NONE |
(1) 8M x 36 |
NONE |
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(1) 4M x 36 |
NONE |
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
NONE |
NONE |
(1) 16M x 36 |
NONE |
64MB |
(4) 16M x 9 |
NONE |
NONE |
NONE |
64MB |
NONE |
NONE |
(1) 8M x 36 |
(1) 8M x 36 |
64MB |
(4) 4M x 9 |
NONE |
(1) 8M x 36 |
(1) 4M x 36 |
DRAM CONFIGURATION (CONT) | ||||
Size |
SIMM 1 - 4 |
SIMM 5 - 8 |
SIMM 9 |
SIMM 10 |
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(1) 8M x 36 |
NONE |
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(4) 16M x 9 |
NONE |
NONE |
NONE |
65MB |
NONE |
NONE |
(1) 256K x 36 |
(1) 16M x 36 |
65MB |
(4) 256K x 9 |
NONE |
NONE |
(1) 16M x 36 |
68MB |
NONE |
NONE |
(1) 1M x 36 |
(1) 16M x 36 |
68MB |
(4) 1M x 9 |
NONE |
NONE |
(1) 16M x 36 |
68MB |
(4) 1M x 9 |
(4) 16M x 9 |
NONE |
NONE |
72MB |
(4) 16M x 9 |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
72MB |
(4) 1M x 9 |
NONE |
(1) 16M x 36 |
(1) 1M x 36 |
72MB |
(4) 1M x 9 |
(4) 1M x 9 |
(1) 16M x 36 |
NONE |
80MB |
NONE |
NONE |
(1) 4M x 36 |
(1) 16M x 36 |
80MB |
(4) 4M x 9 |
NONE |
NONE |
(1) 16M x 36 |
80MB |
(4) 4M x 9 |
(4) 16M x 9 |
NONE |
NONE |
96MB |
(4) 16M x 9 |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
96MB |
(4) 4M x 9 |
NONE |
(1) 16M x 36 |
(1) 4M x 36 |
96MB |
(4) 4M x 9 |
(4) 4M x 9 |
(1) 16M x 36 |
NONE |
128MB |
NONE |
NONE |
(1) 16M x 36 |
(1) 16M x 36 |
128MB |
(4) 16M x 9 |
NONE |
NONE |
(1) 16M x 36 |
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
NONE |
NONE |
DRAM JUMPER CONFIGURATION | |||||||
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
JP18 |
JP19 |
JP20 |
JP22 |
SIMM 1 - 4 |
SIMM 5 - 8 |
SIMM 9 |
SIMM 10 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
SIMM 1 - 4 |
SIMM 5 - 8 |
SIMM 9 |
NONE |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
SIMM 1 - 4 |
SIMM 9 |
NONE |
NONE |
1 & 2 |
Open |
Open |
1 & 2 |
SIMM 1 - 4 |
SIMM 10 |
SIMM 9 |
NONE |
1 & 2 |
Open |
Open |
1 & 2 |
SIMM 9 |
SIMM 10 |
SIMM 1 - 4 |
SIMM 5 - 8 |
2 & 3 |
2 & 3 |
Open |
2 & 3 |
SIMM 9 |
SIMM 10 |
NONE |
NONE |
Open |
Open |
Closed |
2 & 3 |
SIMM 1 - 4 |
SIMM 10 |
SIMM 9 |
NONE |
1 & 2 |
Open |
Open |
1 & 2 |
SIMM 9 |
SIMM 10 |
SIMM 1 - 4 |
SIMM 5 - 8 |
2 & 3 |
2 & 3 |
Open |
2 & 3 |
Note: Pins designated should be in the closed position. |
DRAM JUMPER CONFIGURATION (CONT) | |||||||
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
JP23 |
JP24 |
JP50 |
JP51 |
SIMM 1 - 4 |
SIMM 5 - 8 |
SIMM 9 |
SIMM 10 |
Open |
1 & 2 |
Open |
Open |
SIMM 1 - 4 |
SIMM 5 - 8 |
SIMM 9 |
NONE |
1 & 2 |
Open |
Open |
Open |
SIMM 1 - 4 |
SIMM 9 |
NONE |
NONE |
2 & 3 |
Open |
Open |
Open |
SIMM 1 - 4 |
SIMM 10 |
SIMM 9 |
NONE |
1 & 2 |
2 & 3 |
Open |
Open |
SIMM 9 |
SIMM 10 |
SIMM 1 - 4 |
SIMM 5 - 8 |
Open |
2 & 3 |
Closed |
2 & 3 |
SIMM 9 |
SIMM 10 |
NONE |
NONE |
2 & 3 |
Open |
Open |
1 & 2 |
SIMM 1 - 4 |
SIMM 10 |
SIMM 9 |
NONE |
1 & 2 |
2 & 3 |
Open |
Open |
SIMM 9 |
SIMM 10 |
SIMM 1 - 4 |
SIMM 5 - 8 |
Open |
2 & 3 |
Open |
Open |
Note: Pins designated should be in the closed position. |
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) 128K x 8 |
NONE |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size |
JP1 |
JP2 |
JP42 |
JP44 |
128KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
256KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
512KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
CPU TYPE CONFIGURATION | |||||
Type |
JP9 |
JP12 |
JP30 |
JP31 |
JP33 |
SL80486SX |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
Open |
80486SX |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
Open |
CX486DX |
2 & 3 |
2 & 3 |
1 & 2 |
3 & 4 |
Closed |
SL80486DX |
2 & 3 |
2 & 3 |
1 & 2 |
3 & 4 |
Closed |
80486DX |
2 & 3 |
2 & 3 |
1 & 2 |
3 & 4 |
Closed |
CX486DX2 |
1 & 2 |
1 & 2 |
1 & 2 |
3 & 4 |
Closed |
AM486DX2 |
1 & 2 |
1 & 2 |
1 & 2 |
3 & 4 |
Closed |
SL80486DX2 |
2 & 3 |
2 & 3 |
1 & 2 |
3 & 4 |
Closed |
80486DX2 |
2 & 3 |
2 & 3 |
1 & 2 |
3 & 4 |
Closed |
80486DX4 |
1 & 2 |
1 & 2 |
1 & 2 |
3 & 4 |
Closed |
Note: Pins designated should be in the closed position. The 80486DX4 CPU is only available on the AN4TR2 mainboard. |
CPU TYPE CONFIGURATION (CONT) | ||||
Type |
JP34 |
JP35 |
JP36 |
JP38 |
SL80486SX |
4 & 5 |
3 & 4 |
2 & 3 |
Open |
80486SX |
4 & 5 |
3 & 4 |
2 & 3 |
Open |
CX486DX |
2 & 3 |
2 & 3 |
1 & 2, 3 & 4 |
2 & 3 |
SL80486DX |
4 & 5 |
3 & 4 |
2 & 3 |
Open |
80486DX |
4 & 5 |
3 & 4 |
2 & 3 |
Open |
CX486DX2 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
AM486DX2 |
4 & 5 |
3 & 4 |
2 & 3 |
Open |
SL80486DX2 |
4 & 5 |
3 & 4 |
2 & 3 |
Open |
80486DX2 |
4 & 5 |
3 & 4 |
2 & 3 |
Open |
80486DX4 |
4 & 5 |
3 & 4 |
2 & 3 |
Open |
Note: Pins designated should be in the closed position. The 80486DX4 CPU is only available on the AN4TR2 mainboard. |
CPU TYPE CONFIGURATION (CONT) | |||||
Type |
JP39 |
JP43 |
JP47 |
JP48 |
JP63 |
SL80486SX |
Open |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
80486SX |
Open |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
CX486DX |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
Open |
SL80486DX |
Open |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
80486DX |
Open |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
CX486DX2 |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
Open |
AM486DX2 |
Open |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
SL80486DX2 |
Open |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
80486DX2 |
Open |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
80486DX4 |
Open |
2 & 3 |
2 & 3 |
1 & 2 |
Open |
Note: Pins designated should be in the closed position. The 80486DX4 CPU is only available on the AN4TR2 mainboard. |
CPU SPEED CONFIGURATION (AVASEM AV9107) | |||||||
Speed |
JP8 |
JP10 |
JP11 |
JP26 |
JP27 |
JP28 |
JP29 |
20MHz |
2 & 3 |
Open |
Open |
Closed |
Open |
1 & 2 |
Closed |
25MHz |
2 & 3 |
Open |
Open |
Open |
Closed |
1 & 2 |
Closed |
33MHz |
2 & 3 |
Open |
Open |
Closed |
Closed |
1 & 2 |
Open |
40MHz |
2 & 3 |
Open |
Open |
Open |
Open |
1 & 2 |
Closed |
50iMHz |
2 & 3 |
Open |
Open |
Open |
Closed |
1 & 2 |
Closed |
66iMHz |
2 & 3 |
Open |
Open |
Closed |
Closed |
1 & 2 |
Open |
75iMHz |
2 & 3 |
Open |
1 & 2 |
Open |
Closed |
Open |
Closed |
83iMHz |
2 & 3 |
Closed |
Open |
Closed |
Closed |
Open |
Open |
100iMHz |
2 & 3 |
Open |
1 & 2 |
Closed |
Closed |
Open |
Open |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION (MX8315) | |||||||
Speed |
JP8 |
JP10 |
JP11 |
JP26 |
JP27 |
JP28 |
JP29 |
20MHz |
1 & 2 |
Open |
Open |
Open |
Open |
1 & 2 |
Open |
25MHz |
1 & 2 |
Open |
Open |
Open |
Closed |
1 & 2 |
Open |
33MHz |
1 & 2 |
Open |
Open |
Closed |
Closed |
1 & 2 |
Closed |
40MHz |
1 & 2 |
Open |
Open |
Closed |
Closed |
1 & 2 |
Open |
50iMHz |
1 & 2 |
Open |
Open |
Open |
Closed |
1 & 2 |
Open |
66iMHz |
1 & 2 |
Open |
Open |
Closed |
Closed |
1 & 2 |
Closed |
75iMHz |
1 & 2 |
Open |
1 & 2 |
Open |
Closed |
Open |
Closed |
83iMHz |
1 & 2 |
Closed |
Open |
Closed |
Closed |
Open |
Closed |
100iMHz |
1 & 2 |
Open |
1 & 2 |
Closed |
Closed |
Open |
Closed |
Note: Pins designated should be in the closed position. |
CPU VOLTAGE CONFIGURATION | ||||
Voltage |
JP53 |
JP54 |
JP55 |
JP56 |
3.3v |
pins 1 & 2 closed |
Open |
Open |
Open |
3.45v |
Open |
pins 1 & 2 closed |
Open |
Open |
3.6v |
Open |
Open |
pins 1 & 2 closed |
Open |
4v |
Open |
Open |
Open |
pins 1 & 2 closed |
BUS SPEED CONFIGURATION | |
CPU speed |
JP7 |
<= 33MHz |
pins 1 & 2 closed |
> 33MHz |
pins 2 & 3 closed |