AUSTIN COMPUTER SYSTEMS
486 S14
Processor |
80486DX/80486DX2 |
Processor Speed |
25/33/50(internal)/50/66(internal)MHz |
Chip Set |
SIS |
Max. Onboard DRAM |
32MB |
Cache |
64/128/256KB |
BIOS |
AMI |
Dimensions |
220mm x 220mm |
I/O Options |
32-bit proprietary OPTI local bus card slot |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Turbo LED |
J3 |
Reset switch |
J6 |
Turbo switch |
J4 |
Power LED & keylock |
J7 |
Speaker |
J5 |
32-bit OPTI local bus card |
S1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Local bus data size select 32-bits |
J8 |
pins 1 & 2 closed |
Local bus data size select 16-bits |
J8 |
pins 2 & 3 closed | |
» |
CMOS memory normal operation |
JP1 |
Closed |
CMOS memory clear |
JP1 |
Open | |
» |
Monitor type select color |
JP2 |
Closed |
Monitor type select monochrome |
JP2 |
Open | |
» |
Factory configured - do not alter |
JP6 |
N/A |
» |
Factory configured - do not alter |
JP7 |
N/A |
» |
Factory configured - do not alter |
JP8 |
N/A |
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 |
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 |
SR1 |
SR2 |
SR3 |
SR4 |
SR5 |
SR6 |
SR7 |
SR8 |
SR9 |
64KB |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
128KB |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
256KB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Note: Pins designated should be in the closed position. |