ASUS COMPUTER INTERNATIONAL
80486DX-3350
Processor |
80486SX/80487SX/80486DX |
Processor Speed |
33/50MHz |
Chip Set |
Symphony |
Max. Onboard DRAM |
64MB |
Cache |
64/128/256KB |
BIOS |
AMI/Award |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
4167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J1 |
Reset switch |
J4 |
Turbo LED |
J2 |
Speaker |
J5 |
Turbo switch |
J3 |
Power LED & keylock |
J6 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Cache read wait states select 2-1-1-1 (33MHz CPU) |
J9 |
Open |
Cache read wait states select 3-2-2-2 (50MHz CPU) |
J9 |
pins 1 & 2 closed | |
» |
Cache write wait states select 0 (33MHz CPU) |
J9 |
pins 3 & 4 closed |
Cache write wait states select 1 (50MHz CPU) |
J9 |
Open | |
» |
Monitor type select color |
J10 |
Closed |
Monitor type select monochrome |
J10 |
Open |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
3MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
4MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
5MB |
(4) 1M x 9 |
(4) 256K x 9 |
NONE |
NONE |
6MB |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
7MB |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
9MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
NONE |
10MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
13MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
NONE |
NONE |
NONE |
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
NONE |
NONE |
18MB |
(4) 4M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
19MB |
(4) 4M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
NONE |
NONE |
21MB |
(4) 4M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
NONE |
22MB |
(4) 4M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
24MB |
(4) 4M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
25MB |
(4) 4M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
28MB |
(4) 4M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
33MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 256K x 9 |
NONE |
34MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
36MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
NONE |
37MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
40MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
49MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 256K x 9 |
52MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 1M x 9 |
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
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 x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |||||||
Size |
JS1 |
JS2 |
JS3 |
JS4 |
JS5 |
JS6 |
JS7 |
64KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
128KB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
256KB |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | |
Type |
J8 |
80486SX |
pins 1 & 2 closed |
80487SX |
pins 2 & 3 closed |
80486DX |
pins 2 & 3 closed |
CPU SPEED CONFIGURATION | ||
Speed |
J7 |
J9 |
33MHz |
pins 1 & 2 closed |
Open |
50MHz |
pins 2 & 3 closed |
pins 5 & 6 closed |