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# MAGUS DATA TECHNOLOGY, INC.
E486
Processor 80486DX
Processor Speed 25/33MHz
Chip Set Intel
Max. Onboard 64MB (on external DRAM card)
DRAM
Cache 128KB (on external SRAM card)
BIOS Phoenix
Dimensions 330mm x 218mm
I/O Options 32-Bit external system DRAM card slot, 32-Bit
external SRAM card slot, PS/2 bus mouse
connector
NPU Options 4167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | J11 | Speaker | J26 |
|-------------------+----------+------------------+----------|
| Auxiliary | J13 | Power LED & | J27 |
| keyboard | | keylock | |
|-------------------+----------+------------------+----------|
| PS/2 bus mouse | J15 | 32-Bit external | S1 |
| | | DRAM card | |
|-------------------+----------+------------------+----------|
| Turbo LED | J24 | 32-Bit external | S2 |
| | | SRAM card | |
|-------------------+----------+------------------+----------|
| Reset switch | J25 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | Power good signal detect | J12 | pins 1 & 2 |
| | from power supply | | closed |
|---+---------------------------+---------------+------------|
| | Power good signal detect | J12 | pins 2 & 3 |
| | from board | | closed |
|---+---------------------------+---------------+------------|
| » | SRAM Cache enabled | SW1/1 | On |
| | (internal & external) | | |
|---+---------------------------+---------------+------------|
| | SRAM Cache disabled | SW1/1 | Off |
| | (internal & external) | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW1/2 | N/A |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | Factory configured - do | SW1/3 | N/A |
| | not alter | | |
|---+---------------------------+---------------+------------|
| » | CMOS memory normal | SW1/4 | On |
| | operation | | |
|---+---------------------------+---------------+------------|
| | CMOS memory clear | SW1/4 | Off |
|---+---------------------------+---------------+------------|
| » | Password check enabled | SW1/5 | On |
|---+---------------------------+---------------+------------|
| | Password check disabled | SW1/5 | Off |
|---+---------------------------+---------------+------------|
| » | Monitor type select color | SW1/6 | On |
|---+---------------------------+---------------+------------|
| | Monitor type select | SW1/6 | Off |
| | monochrome | | |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (8) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (8) 256K x 9 | (8) 256K x 9 |
|------------------+--------------------+--------------------|
| 8MB | (8) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 10MB | (8) 1M x 9 | (8) 256K x 9 |
|------------------+--------------------+--------------------|
| 16MB | (8) 1M x 9 | (8) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (8) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 34MB | (8) 4M x 9 | (8) 256K x 9 |
|------------------+--------------------+--------------------|
| 40MB | (8) 4M x 9 | (8) 1M x 9 |
|------------------+--------------------+--------------------|
| 64MB | (8) 4M x 9 | (8) 4M x 9 |
+------------------------------------------------------------+