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# ELITEGROUP COMPUTER SYSTEMS, INC.
SL 486E
Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed 20/25/33/50(internal)/50/66(internal)MHz
Chip Set SIS
Max. Onboard DRAM 128MB
Cache 64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slot (1)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Power LED & | JP17 | Turbo switch | JP20 |
| keylock | | | |
|---------------+----------+----------------------+----------|
| Speaker | JP18 | Turbo LED | JP21 |
|---------------+----------+----------------------+----------|
| Reset switch | JP19 | 32-bit VESA Local | S1 |
| | | bus slot | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | System arbitration logic in | JP11 | pins 2 & 3 |
| | 85C406 | | closed |
|---+----------------------------------+--------+------------|
| | System arbitration logic in | JP11 | pins 1 & 2 |
| | 85C406 bypass CPU | | closed |
|---+----------------------------------+--------+------------|
| » | Local memory burst mode enabled | JP12 | Closed |
|---+----------------------------------+--------+------------|
| | Local memory burst mode disabled | JP12 | Open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP13 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP14 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP14 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 265K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 265K x 9 | (4) 265K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 5MB | (4) 265K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 64MB | (4) 16M x 9 | NONE |
|------------------+--------------------+--------------------|
| 128MB | (4) 16M x 9 | (4) 16M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Max | Bank 0 | Bank 1 | Dirty | TAG |
| | Cachable | | | Bit | |
|-------+------------+----------+----------+---------+-------|
| 64KB | 16MB | (4) 8K x | (4) 8K x | (1) 16K | (2) |
| | | 8 | 8 | x 4 | 16K x |
| | | | | | 4 |
|-------+------------+----------+----------+---------+-------|
| 128KB | 32MB | (4) 32K | NONE | (1) 16K | (2) |
| | | x 8 | | x 4 | 16K x |
| | | | | | 4 |
|-------+------------+----------+----------+---------+-------|
| 256KB | 64MB | (4) 32K | (4) 32K | (1) 16K | (2) |
| | | x 8 | x 8 | x 4 | 16K x |
| | | | | | 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP1 | JP2 | JP3 | JP4 | JP5 | JP6 |
|-------+--------+--------+--------+--------+--------+-------|
| 64KB | pins 1 | pins 1 | pins 1 | pins 1 | pins 1 | pins |
| | & 2 | & 2 | & 2 | & 2 | & 2 | 2 & 3 |
|-------+--------+--------+--------+--------+--------+-------|
| 128KB | pins 1 | pins 2 | pins 2 | pins 1 | pins 2 | pins |
| | & 2 | & 3 | & 3 | & 2 | & 3 | 1 & 2 |
|-------+--------+--------+--------+--------+--------+-------|
| 256KB | pins 2 | pins 2 | pins 2 | pins 2 | pins 2 | pins |
| | & 3 | & 3 | & 3 | & 3 | & 3 | 4 & 5 |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP8 | JP9 | JP10 |
|----------+----------------+----------------+---------------|
| 80486SX | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|----------+----------------+----------------+---------------|
| 80487SX | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|----------+----------------+----------------+---------------|
| 80486DX | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|----------+----------------+----------------+---------------|
| ODP486SX | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|----------+----------------+----------------+---------------|
| 80486DX2 | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP7 |
|----------------------------+-------------------------------|
| 20MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 25MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 33MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 50i MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 50MHz | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 66I MHz | pins 1 & 2 closed |
+------------------------------------------------------------+