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# EMPAC INTERNATIONAL
ERI MagnumCache486 LC
Processor 80486DX
Processor Speed 40MHz
Chip Set C & T/OPTI
Max. Onboard DRAM 32MB
Cache 64/128/256KB
BIOS AMI
Dimensions 330mm x 221mm
I/O Options None
NPU Options 4167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Reset switch | JP1 | Speaker | JP4 |
|-------------------+----------+------------------+----------|
| Power LED & | JP2 | Turbo switch | JP9 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Turbo LED | JP3 | External battery | JP18 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+---------+-----------|
| » | Monitor type select color | JP5 | Closed |
|---+----------------------------------+---------+-----------|
| | Monitor type select monochrome | JP5 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 64KB | (8) 64K x 1 | (1) 8K x 8 |
|------------------+--------------------+--------------------|
| 128KB | (8) 32K x 4 | (1) 8K x 8 |
|------------------+--------------------+--------------------|
| 256KB | (8) 32K x 8 | (1) 8K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP12 | JP13 | JP19 | JP20 | JP21 | JP22 |
|--------+--------+--------+--------+--------+-------+-------|
| 64KB | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 128KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 256KB | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | JP23 | JP24 | JP25 | JP26 | JP27 |
|----------+----------+----------+---------+--------+--------|
| 64KB | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 |
|----------+----------+----------+---------+--------+--------|
| 128KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|----------+----------+----------+---------+--------+--------|
| 256KB | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+