AUSTIN COMPUTER SYSTEMS
486 VESA LB WINTOWER
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
20/25/33/50(internal)/66(internal)MHz |
|
Chip Set |
Micronics |
|
Max. Onboard DRAM |
64MB |
|
Cache |
None |
|
BIOS |
Phoenix |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit external cache memory card slot, floppy interface, IDE interfaces (2), parallel port, serial port (2), VESA local bus slots (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 2 |
J11 |
Auxiliary IDE interface |
J30 |
|
Parallel port |
J12 |
VESA local bus slots |
S1 & S2 |
|
Serial port 1 |
J14 |
32-bit external cache memory card |
S3 |
|
Floppy interface |
J15 |
Reset switch |
W15 |
|
IDE interface |
J16 |
Turbo LED |
W17 |
|
Auxiliary keyboard connector |
J24 |
Turbo switch |
W18 |
|
Speaker |
J28 |
IDE interface LED |
W19 |
|
Power LED & keylock |
J29 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
| » |
CPU type select 80486DX or 80486DX2 |
W13 |
pins 1 & 2 closed |
|
CPU type select 80486SX |
W13 |
pins 2 & 3 closed | |
| » |
Parallel port select output mode (printer) |
W16 |
pins 2 & 3 closed |
|
Parallel port select input mode (scanner) |
W16 |
pins 1 & 2 closed | |
| » |
Flash memory type select default |
W20 |
pins 2 & 3 closed |
|
Flash memory type select recovery |
W20 |
pins 1 & 2 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(1) 4M x 9 |
NONE |
NONE |
NONE |
|
8MB |
(1) 4M x 9 |
(1) 4M x 9 |
NONE |
NONE |
|
12MB |
(1) 4M x 9 |
(1) 4M x 9 |
(1) 4M x 9 |
NONE |
|
16MB |
(1) 4M x 9 |
(1) 4M x 9 |
(1) 4M x 9 |
(1) 4M x 9 |
|
16MB |
(1) 16M x 9 |
NONE |
NONE |
NONE |
|
20MB |
(1) 4M x 9 |
(1) 16M x 9 |
NONE |
NONE |
|
24MB |
(1) 4M x 9 |
(1) 4M x 9 |
(1) 16M x 9 |
NONE |
|
28MB |
(1) 4M x 9 |
(1) 4M x 9 |
(1) 4M x 9 |
(1) 16M x 9 |
|
32MB |
(1) 16M x 9 |
(1) 16M x 9 |
NONE |
NONE |
|
36MB |
(1) 4M x 9 |
(1) 16M x 9 |
(1) 16M x 9 |
NONE |
|
40MB |
(1) 4M x 9 |
(1) 4M x 9 |
(1) 16M x 9 |
(1) 16M x 9 |
|
48MB |
(1) 16M x 9 |
(1) 16M x 9 |
(1) 16M x 9 |
NONE |
|
52MB |
(1) 4M x 9 |
(1) 16M x 9 |
(1) 16M x 9 |
(1) 16M x 9 |
|
64MB |
(1) 16M x 9 |
(1) 16M x 9 |
(1) 16M x 9 |
(1) 16M x 9 |
|
DRAM SWITCH CONFIGURATION | ||||
|
Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
4MB |
On |
On |
On |
On |
|
8MB |
Off |
On |
On |
On |
|
12MB |
On |
Off |
On |
On |
|
16MB |
Off |
Off |
On |
On |
|
16MB |
On |
On |
Off |
On |
|
20MB |
On |
On |
Off |
Off |
|
24MB |
On |
Off |
On |
Off |
|
28MB |
Off |
On |
On |
Off |
|
32MB |
Off |
On |
Off |
On |
|
36MB |
On |
Off |
Off |
Off |
|
40MB |
Off |
Off |
On |
Off |
|
48MB |
On |
Off |
Off |
On |
|
52MB |
Off |
Off |
Off |
Off |
|
64MB |
Off |
Off |
Off |
On |
|
CPU SPEED CONFIGURATION | ||||
|
Speed |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
|
25MHz |
On |
Off |
On |
Off |
|
33MHz |
Off |
On |
Off |
Off |
|
50iMHz |
On |
Off |
On |
Off |
|
66iMHz |
Off |
On |
Off |
Off |