ASUS COMPUTER INTERNATIONAL
MINI EISA-486AS
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
16/20/25/33/50(internal)/50/66(internal)MHz |
|
Chip Set |
ASUS |
|
Max. Onboard DRAM |
128MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
4167 |
|
CONNECTIONS |
|||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
CON1 |
Speaker |
CON4 |
|
Turbo switch |
CON2 |
Power LED & keylock |
CON5 |
|
Turbo LED |
CON3 |
|
|
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
|
Power good signal detect from power supply |
JP1 |
pins 1 & 2 closed |
|
|
Power good signal detect from board |
JP1 |
pins 2 & 3 closed |
|
|
Factory configured - do not alter |
JP4 |
pins 1 & 2 closed |
|
|
Factory configured - do not alter |
JP5 |
pins 1 & 2 closed |
|
|
CPU clock speed select <=33MHz (external) |
JP9 |
pins 1 & 2 closed |
|
|
CPU clock speed select 50MHz (external) |
JP9 |
pins 2 & 3 closed |
|
DRAM CONFIGURATION |
||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
NONE |
|
128MB |
(4) 16M x 9 |
(4) 16M 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 RESISTOR CONFIGURATION |
|||
|
Size |
R1 |
R2 |
R3 |
|
64KB |
Installed |
Not installed |
Not installed |
|
128KB |
Not installed |
Installed |
Not installed |
|
256KB |
Not installed |
Not installed |
Installed |
|
CPU TYPE CONFIGURATION |
||||||
|
Type |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
|
80486SX |
Off |
Off |
Off |
Off |
On |
On |
|
80487SX |
Off |
On |
On |
On |
Off |
On |
|
80486DX |
On |
On |
On |
Off |
Off |
On |
|
80486DX2 |
On |
On |
On |
Off |
Off |
On |