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# 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
IMG IMG 1
+------------------------------------------------------------+
| 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 | S1 | | |
| memory card | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | Factory configured - do | SW1/1 | On |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW1/2 | Off |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW1/3 | Off |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW1/4 | On |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW1/5 | Off |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW1/6 | Off |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW1/7 | Off |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW1/8 | Off |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW2/6 | On |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | W11 | pins 2 & 3 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | W12 | Closed |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | W13 | pins 2 & 3 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | W14 | pins 2 & 3 |
| | not alter | | closed |
|---+---------------------------+---------------+------------|
| » | Cache interleave select | W15 | pins 2 & 3 |
| | 64KB | | closed |
|---+---------------------------+---------------+------------|
| | Cache interleave select | W15 | pins 1 & 2 |
| | 256KB | | 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 | NONE | NONE | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (4) 256K x | (4) 256K x | NONE | NONE |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 3MB | (4) 256K x | (4) 256K x | (4) 256K x | NONE |
| | 9 | 9 | 9 | |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 256K x | (4) 256K x | (4) 256K x | (4) 256K x |
| | 9 | 9 | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 1M x 9 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 5MB | (4) 256K x | (4) 1M x 9 | NONE | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 6MB | (4) 256K x | (4) 256K x | (4) 1M x 9 | NONE |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 7MB | (4) 256K x | (4) 256K x | (4) 256K x | (4) 1M x 9 |
| | 9 | 9 | 9 | |
|------+-------------+-------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 9MB | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 10MB | (4) 256K x | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
|------+-------------+-------------+------------+------------|
| 13MB | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
| | 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 |
+------------------------------------------------------------+