MICRONICS COMPUTERS, INC.
MINI 486 (VER.B)
|
Processor |
80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive |
|
Processor Speed |
25/33/50/66MHz |
|
Chip Set |
Micronics |
|
Max. Onboard DRAM |
64MB |
|
Cache |
64/128/256KB |
|
BIOS |
Phoenix |
|
Dimensions |
240mm x 215mm |
|
I/O Options |
None |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J1 |
Turbo LED |
W14 |
|
Speaker |
J18 |
Turbo switch |
W15 |
|
External keyboard connector |
J19 |
Power LED & keylock |
W19 |
|
Reset switch |
W13 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
CMOS memory normal operation |
W1 |
pins 1 & 2 closed |
|
CMOS memory clear |
W1 |
pins 2 & 3 closed | |
|
|
Monitor type select color |
W3 |
Closed |
|
Monitor type select monochrome |
W3 |
Open | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(1) 256K x 36 |
NONE |
NONE |
NONE |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
6MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
10MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
18MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
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 |
W7 |
W9 |
W10 |
W17 |
W18 |
|
64KB |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
|
128KB |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
|
256KB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in closed position. | |||||
|
CPU TYPE CONFIGURATION | |
|
Type |
W12 |
|
80486SX |
pins 2 & 3 closed |
|
80487SX |
pins 1 & 2 closed |
|
80486DX |
pins 2 & 3 closed |
|
80486DX2 |
pins 2 & 3 closed |
|
Overdrive |
pins 1 & 2 closed |