MICRONICS COMPUTERS, INC.
BABY GEMINI-486
|
Processor |
80486DX |
|
Processor Speed |
50MHz |
|
Chip Set |
Micronics |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
Phoenix |
|
Dimensions |
331mm x 218mm |
|
I/O Options |
32-bit external memory card slot |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J11 |
Turbo LED |
W5 |
|
Speaker |
J23 |
Reset switch |
W6 |
|
Power LED & keylock |
J24 |
Turbo switch |
W7 |
|
32-bit external memory card |
S1 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
| » |
Factory configured - do not alter |
SW1/1 |
On |
| » |
Factory configured - do not alter |
SW1/2 |
Off |
| » |
Factory configured - do not alter |
SW1/3 |
Off |
| » |
Factory configured - do not alter |
SW1/4 |
On |
| » |
Factory configured - do not alter |
SW1/5 |
Off |
| » |
Factory configured - do not alter |
SW1/6 |
Off |
| » |
Factory configured - do not alter |
SW1/7 |
Off |
| » |
Factory configured - do not alter |
SW1/8 |
Off |
| » |
Factory configured - do not alter |
SW2/6 |
On |
| » |
Factory configured - do not alter |
W11 |
pins 2 & 3 closed |
| » |
Factory configured - do not alter |
W12 |
Closed |
| » |
Factory configured - do not alter |
W13 |
pins 2 & 3 closed |
| » |
Factory configured - do not alter |
W14 |
pins 2 & 3 closed |
| » |
Cache interleave select 64KB |
W15 |
pins 2 & 3 closed |
|
Cache interleave select 256KB |
W15 |
pins 1 & 2 closed | |
|
Note:Cache can not be interleaved at 128KB. When using 128KB cache, W15 setting is irrelevant. | |||
|
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 |
|
3MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
|
4MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
|
7MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
9MB |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
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 |
|
13MB |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
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 |
|
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 |
|
28MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
|
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 |
|
52MB |
(4) 1M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
|
DRAM SWITCH CONFIGURATION | |||||
|
Size |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
|
1MB |
On |
On |
On |
On |
On |
|
2MB |
Off |
On |
On |
On |
On |
|
3MB |
On |
Off |
On |
On |
On |
|
4MB |
Off |
Off |
On |
On |
On |
|
4MB |
On |
On |
Off |
On |
On |
|
5MB |
On |
On |
Off |
Off |
On |
|
6MB |
On |
Off |
On |
Off |
On |
|
7MB |
Off |
On |
On |
Off |
On |
|
8MB |
Off |
On |
Off |
On |
On |
|
9MB |
On |
Off |
Off |
Off |
On |
|
10MB |
Off |
Off |
On |
Off |
On |
|
12MB |
On |
Off |
Off |
On |
On |
|
13MB |
Off |
Off |
Off |
Off |
On |
|
16MB |
Off |
Off |
Off |
On |
On |
|
16MB |
On |
On |
Off |
On |
Off |
|
20MB |
On |
On |
Off |
Off |
Off |
|
24MB |
On |
Off |
On |
Off |
Off |
|
28MB |
Off |
On |
On |
Off |
Off |
|
32MB |
Off |
On |
Off |
On |
Off |
|
36MB |
On |
Off |
Off |
Off |
Off |
|
40MB |
Off |
Off |
On |
Off |
Off |
|
48MB |
On |
Off |
Off |
On |
Off |
|
52MB |
Off |
Off |
Off |
Off |
Off |
|
64MB |
Off |
Off |
Off |
On |
Off |
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
|
CACHE JUMPER/SWITCH CONFIGURATION | ||||
|
Size |
SW2/7 |
SW2/8 |
W3 |
W4 |
|
64KB |
Off |
Off |
Open |
Open |
|
128KB |
On |
On |
Open |
Closed |
|
256KB |
Off |
On |
Closed |
Closed |