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# ILON USA, INC.
486 CACHE
Processor 80486SX/80486DX
Processor Speed 20/25/33MHz
Chip Set SIS
Max. Onboard DRAM 32MB
Cache None
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80487SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Turbo LED | J1 | Speaker | J4 |
|----------------+----------+---------------------+----------|
| Turbo switch | J2 | Power LED & keylock | J5 |
|----------------+----------+---------------------+----------|
| Reset switch | J3 | External battery | J12 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CPU speed select 20 or 25MHz | J6 | Open |
|---+----------------------------------+--------+------------|
| | CPU speed select 33MHz | J6 | Closed |
|---+----------------------------------+--------+------------|
| » | Ignore error and continue | J7 | pins 1 & 2 |
| | executing | | closed |
|---+----------------------------------+--------+------------|
| | Halt system if error occurs | J7 | Open |
|---+----------------------------------+--------+------------|
| | Error condition controlled by | J7 | pins 2 & 3 |
| | CPU | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | J9 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | J9 | Open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J10 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | J11 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | J11 | 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | J8 |
|--------------------------+---------------------------------|
| 80486SX | pins 4 & 6 closed |
|--------------------------+---------------------------------|
| 80486DX | pins 1 & 2, 3 & 4, 5 & 6 closed |
+------------------------------------------------------------+