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# DESTINY COMPUTERS, INC.
486 ACE ADVANTAGE
Processor 80486SX/80487SX/80486DX/80486DX2
Processor Speed 20/25/33/50/66(internal)MHz
Chip Set OPTI
Max. Onboard DRAM 32MB
Cache 64/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 4167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------+--------------+-------------------+----------|
| Reset switch | J19 | Speaker | J21 |
|--------------+--------------+-------------------+----------|
| Turbo LED | J20 pins 1 & | Power LED & | J22 |
| | 2 | keylock | |
|--------------+--------------+-------------------+----------|
| Turbo switch | J20 pins 3 & | | |
| | 4 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Battery select internal | W1 | Closed |
|---+----------------------------------+--------+------------|
| | Battery select external | W1 | Open |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | W2 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | W2 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Bus speed select ATCLK/8 | W3 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Bus speed select ATCLK/6 | W3 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | W12 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | W12 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | W13 | Open |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 1M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 17MB | (4) 4M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG (U29) | TAG (U34) |
|------------+---------------+---------------+---------------|
| 64KB | (8) 8K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (8) 32K x 8 | (1) 16K x 1 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | W8 | W9 | W10 |
|-------+-----------------+-----------------+----------------|
| 64KB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 256KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | Oscillator | W4 | W5 | W6 | W7 |
|---------------+------------+-------+-------+-------+-------|
| 80486SX 20MHz | 40MHz | 2 & 3 | 2 & 3 | Open | Open |
|---------------+------------+-------+-------+-------+-------|
| 80486DX 25MHz | 50MHz | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
|---------------+------------+-------+-------+-------+-------|
| 80486DX 33MHz | 66.6MHz | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
|---------------+------------+-------+-------+-------+-------|
| 80486DX 50MHz | 50MHz | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
|---------------+------------+-------+-------+-------+-------|
| 80486DX 50MHz | 100MHz | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
|---------------+------------+-------+-------+-------+-------|
| 80486DX2 | 50MHz | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
| 50MHz | | | | | |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+