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# ILON USA, INC.
486 CACHE PLUS
Processor 80486SX/80486DX
Processor Speed 20/25/33MHz
Chip Set SIS
Max. Onboard DRAM 32MB
Cache 32/64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80487SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Turbo LED | J1 | Power LED & keylock | J4 |
|----------------+----------+---------------------+----------|
| Turbo switch | J2 | Speaker | J5 |
|----------------+----------+---------------------+----------|
| Reset switch | J3 | External battery | J12 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Monitor type select color | J11 | Closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | J11 | Open |
|---+--------------------------------+--------+--------------|
| » | CMOS memory normal operation | J13 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | J13 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 32KB | (4) 8K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J6 | J7 | J8 | J9 | J10 |
|----------+----------+---------+---------+---------+--------|
| 32KB | Open | Open | Closed | Closed | 2 & 3 |
|----------+----------+---------+---------+---------+--------|
| 64KB | 2 & 3 | Open | Closed | Open | 2 & 3 |
|----------+----------+---------+---------+---------+--------|
| 128KB | 2 & 3 | 2 & 3 | Open | Open | 2 & 3 |
|----------+----------+---------+---------+---------+--------|
| 256KB | 2 & 3 | 2 & 3 | Open | Open | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Size | J14 |
|--------------------------+---------------------------------|
| 80486SX | pins 4 & 6 closed |
|--------------------------+---------------------------------|
| 80486DX | pins 1 & 2, 3 & 4, 5 & 6 closed |
+------------------------------------------------------------+