AUSTIN COMPUTER SYSTEMS
3486LE WINSTATION
|
Processor |
80386DX/80486SX/80487SX/80486DX/80486DX2 |
|
Processor Speed |
20/25/33/40/50(internal)/50/66(internal) MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
32MB |
|
SRAM Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
310mm x 218mm |
|
I/O Options |
32-bit local bus slot |
|
NPU Options |
80387DX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
External battery |
JP18 |
|
Speaker |
J2 |
32-bit local bus |
S1 |
|
Reset switch |
J5 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Unused jumper pad |
J3 |
Open | |
|
Unused jumper pad |
J4 |
Open | |
|
Monitor type select color |
JP17 |
Closed | |
|
Monitor type select monochrome |
JP17 |
Open | |
|
CMOS memory normal operation (Internal Battery) |
JP18 |
pins 2 & 3 closed | |
|
CMOS memory normal operation (External Battery) |
JP18 |
pins 1 & 4 closed | |
|
CMOS memory clear |
JP18 |
pins 3 & 4 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 |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
SRAM JUMPER CONFIGURATION | ||||
|
Size |
JP6 |
JP7 |
JP12 |
JP13 |
|
64KB |
Open |
Open |
Open |
pins 2 & 3 closed |
|
128KB |
Open |
Closed |
Closed |
pins 1 & 2 closed |
|
256KB |
Closed |
Closed |
Closed |
pins 2 & 3 closed |
|
SRAM CONFIGURATION | |||
|
Size |
Cache |
Location |
TAG |
|
64KB |
(8) 8K x 8 |
Banks 0 & 1 |
(1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
Bank 0 |
(1) 8K x 8 |
|
256KB |
(8) 32K x 8 |
Banks 0 & 1 |
(1) 32K x 8 |
|
CPU TYPE CONFIGURATION | ||||||||
|
CPU |
JP1 |
JP2 |
JP3 |
JP4 |
JP5 |
JP20 |
JP21 |
JP24 |
|
80386DX PQFP |
N/A |
N/A |
2 & 3 |
N/A |
1 & 2 |
Open |
Closed |
1 & 2 |
|
80486SX PQFP |
N/A |
N/A |
1 & 2 |
N/A |
2 & 3 |
Open |
Open |
2 & 3 |
|
80486SX PGA |
Open |
2 & 3 |
1 & 2 |
Open |
2 & 3 |
Closed |
Closed |
2 & 3 |
|
80487SX PGA |
Closed |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
Closed |
Closed |
2 & 3 |
|
80486DX PGA |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
Closed |
Closed |
2 & 3 |
|
ODP486SX PGA |
Closed |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
Closed |
Closed |
2 & 3 |
|
80486DX2 PGA |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
Closed |
Closed |
2 & 3 |
|
Note:Pins designated should be in the closed postion. The locations of jumpers JP1 and JP2 are unknown. | ||||||||
|
CPU SPEED CONFIGURATION | ||||||||
|
CPU |
Speed |
Type |
JP14 |
JP15 |
JP16 |
JP22 |
JP51 |
JP52 |
|
80486SX |
25MHz |
PGA |
pins 1 & 2 |
N/A |
N/A |
N/A |
Closed |
Open |
|
80486DX |
25MHz |
PGA |
pins 1 & 2 |
N/A |
N/A |
N/A |
Closed |
Open |
|
80486SX |
25MHz |
PQFP |
pins 1 & 2 |
Open |
Closed |
N/A |
N/A |
N/A |
|
80486DX2 |
50i MHz |
PGA |
pins 1 & 2 |
Open |
Closed |
N/A |
N/A |
N/A |
|
80386/DLC |
33MHz |
PQFP |
pins 2 & 3 |
N/A |
N/A |
Closed |
Closed |
Open |
|
80486SX |
33MHz |
PGA |
pins 1 & 2 |
N/A |
N/A |
N/A |
Open |
Closed |
|
80486DX |
33MHz |
PGA |
pins 1 & 2 |
N/A |
N/A |
N/A |
Open |
Closed |
|
80486SX |
33MHz |
PQFP |
pins 1 & 2 |
Closed |
Open |
N/A |
N/A |
N/A |
|
80486DX2 |
66i MHz |
PGA |
pins 1 & 2 |
Closed |
Open |
N/A |
N/A |
N/A |
|
80386/DLC |
40MHz |
PQFP |
pins 2 & 3 |
N/A |
N/A |
Open |
Open |
Open |
|
80486DX |
50MHz |
PGA |
pins 2 & 3 |
N/A |
N/A |
N/A |
Closed |
Open |
|
Note: Pins designated should be in the closed postion. The locations of jumpers JP15 and JP16 are unknown. | ||||||||