MICROWISE, INC.
486A-33
|
Processor |
80486SX/80487SX/80486DX |
|
Processor Speed |
20/25/33/50MHz |
|
Chip Set |
SIS |
|
Max. Onboard DRAM |
32MB |
|
Cache |
32/64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit external memory card slot |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
CN1 |
Reset switch |
JP1 |
|
Speaker |
CN2 |
Turbo switch |
JP3 |
|
External battery |
CN3 |
Turbo LED |
JP5 |
|
32-bit external memory card |
J1 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
| » |
CMOS memory normal operation |
JP2 |
pins 1 & 2 closed |
|
CMOS memory clear |
JP2 |
pins 2 & 3 closed | |
| » |
Factory configured - do not alter |
JP4 |
N/A |
| » |
Monitor type select color |
JP15 |
Closed |
|
Monitor type select monochrome |
JP15 |
Open | |
| » |
Factory configured - do not alter |
JP19 |
N/A |
| » |
Factory configured - do not alter |
JP20 |
N/A |
|
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 |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
|
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
10MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
|
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 |
|
18MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
24MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
|
36MB |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
|
40MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
|
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
Note:Banks 2 & 3 are used when a 32-bit external memory card is installed at J1. | ||||
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
32KB |
(4) 8K x 8 |
NONE |
(3) 16K x 4 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(3) 16K x 4 |
|
128KB |
(4) 32K x 8 |
NONE |
(3) 16K x 4 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(3) 16K x 4 |
|
CACHE JUMPER CONFIGURATION | |||||||||
|
Size |
JP9 |
JP10 |
JP11 |
JP12 |
JP13 |
JP14 |
JP16 |
JP17 |
JP18 |
|
32KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
64KB |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
|
128KB |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
|
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. | |||||||||
|
CPU TYPE CONFIGURATION | |||
|
Type |
JP6 |
JP7 |
JP8 |
|
80486SX |
Open |
Open |
pins 2 & 3 closed |
|
80487SX |
Closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
80486DX |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |