TEXT View Source
# EFA CORPORATION
486FLE2
Processor 80486SX/ODP486SX/80486DX/80487SX/ODP486DX/80486DX2
Processor 16/20/25/33/50(internal)/50/66(internal)MHz
Speed
Chip Set SIS
Max. 32MB
Onboard
DRAM
Cache 64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slots (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Power LED & | JP4 | Turbo switch | JP9 |
| keylock | | | |
|---------------+----------+----------------------+----------|
| Speaker | JP7 | Turbo LED | JP22 |
|---------------+----------+----------------------+----------|
| Reset switch | JP8 | 32-bit VESA Local | S1 & S2 |
| | | bus slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| | Monitor type select color | JP1 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP1 | Open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP5 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP6 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP21 | Closed |
| | alter | | |
|------------------------------------------------------------|
| Note:The exact locations of JP1 & JP21 are unknown. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 2MB | (4) 512K x 9 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (4) 512K x 9 | (4) 512K x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 2M x 9 | NONE |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 16MB | (4) 2M x 9 | (4) 2M x 9 |
|------------------+--------------------+--------------------|
| 18MB | (4) 512K x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP11 | JP12 | JP13 | JP14 | JP15 | JP16 |
|-------+--------+--------+--------+--------+--------+-------|
| 64KB | pins 2 | pins 1 | pins 1 | pins 1 | pins 1 | pins |
| | & 3 | & 2 | & 2 | & 2 | & 2 | 1 & 2 |
|-------+--------+--------+--------+--------+--------+-------|
| 128KB | pins 1 | pins 2 | pins 1 | pins 2 | pins 1 | pins |
| | & 2 | & 3 | & 2 | & 3 | & 2 | 2 & 3 |
|-------+--------+--------+--------+--------+--------+-------|
| 256KB | pins 4 | pins 2 | pins 2 | pins 2 | pins 2 | pins |
| | & 5 | & 3 | & 3 | & 3 | & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+----------------+----------------+-------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 4 |
|------------+----------------+----------------+-------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 4 |
|------------+----------------+----------------+-------------|
| 128KB | (4) 32K x 8 | NONE | (1) 32K x 8 |
|------------+----------------+----------------+-------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | SW2/switch 1 | SW2/switch 2 | SW2/switch 3 |
|-----------+----------------+---------------+---------------|
| 16MHz | On | Off | On |
|-----------+----------------+---------------+---------------|
| 20MHz | Off | Off | On |
|-----------+----------------+---------------+---------------|
| 25MHz | On | On | Off |
|-----------+----------------+---------------+---------------|
| 33MHz | Off | On | Off |
|-----------+----------------+---------------+---------------|
| 50i MHz | On | On | Off |
|-----------+----------------+---------------+---------------|
| 50MHz | Off | Off | Off |
|-----------+----------------+---------------+---------------|
| 66i MHz | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP3 | JP24 |JP25 |SW3/1|SW3/2|SW3/3|SW3/4|SW3/5|
|----------+------+------+-----+-----+-----+-----+-----+-----|
| 80486SX | N/A | N/A | N/A | Off | Off | Off | On | Off |
|----------+------+------+-----+-----+-----+-----+-----+-----|
| 80486SX | Open | Open |1 & 2| N/A | N/A | N/A | N/A | N/A |
| (PQFP) | | | | | | | | |
|----------+------+------+-----+-----+-----+-----+-----+-----|
| ODP486SX | N/A | N/A | N/A | On | Off | On | Off | On |
|----------+------+------+-----+-----+-----+-----+-----+-----|
| 80486DX | N/A | N/A | N/A | On | On | Off | Off | On |
|----------+------+------+-----+-----+-----+-----+-----+-----|
| 80486DX |Closed|Closed| N/A | N/A | N/A | N/A | N/A | N/A |
| (PQFP) | | | | | | | | |
|----------+------+------+-----+-----+-----+-----+-----+-----|
| ODP486DX | N/A | N/A | N/A | On | Off | On | Off | On |
|----------+------+------+-----+-----+-----+-----+-----+-----|
| 80486DX2 | N/A | N/A | N/A | On | On | Off | Off | On |
|------------------------------------------------------------|
|Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+