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# UNIDENTIFIED
386 SIS CACHE
Processor 80386
Processor Speed 25/33MHz
Chip Set SIS
Video Chip Set None
Maximum Onboard Memory 16MB (8MB on external memory card)
Maximum Video Memory None
Cache 32/64/128KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options External memory card
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | JP2 | Turbo LED | JP23 |
|-------------------+----------+------------------+----------|
| Speaker | JP20 | External memory | SL1 |
| | | card | |
|-------------------+----------+------------------+----------|
| Power LED & | JP21 | Reset switch | SW1 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Turbo switch | JP22 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | CMOS memory normal operation | JP1 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP1 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Monitor type select color | JP4 | Closed |
|---+-----------------------------------+-------+------------|
| | Monitor type select monochrome | JP4 | Open |
|---+-----------------------------------+-------+------------|
| » | Power good signal detect from | JP5 | Pins 1 & 2 |
| | power supply | | closed |
|---+-----------------------------------+-------+------------|
| | Power good signal detect from | JP5 | Pins 2 & 3 |
| | board | | closed |
|---+-----------------------------------+-------+------------|
| | NPU not installed | JP11 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | NPU installed | JP11 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (4) 256K x | None | None | None |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (4) 256K x | (4) 256K x | None | None |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 1M x 9 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | None | None |
|------+-------------+-------------+------------+------------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | None |
|------+-------------+-------------+------------+------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
|------------------------------------------------------------|
| Note: Banks 2 & 3 are located on the external memory card. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION (EXTERNAL) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 32KB | None | (4) 8K x 8 |
|------------------+--------------------+--------------------|
| 64KB | (4) 8K x 8 | (1) 8K x 8 |
|------------------+--------------------+--------------------|
| 128KB | (4) 32K x 8 | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE TAG CONFIGURATION (EXTERNAL) |
|------------------------------------------------------------|
| Size | TAG | TAG 0 | TAG 1 |
|------------+---------------+---------------+---------------|
| 32KB | None | (1) 16K x 4 | (1) 16K x 4 |
|------------+---------------+---------------+---------------|
| 64KB | None | (1) 16K x 4 | (1) 16K x 4 |
|------------+---------------+---------------+---------------|
| 128KB | (1) 32K x 8 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION (EXTERNAL) |
|------------------------------------------------------------|
| Size | JP19 |
|----------------------------+-------------------------------|
| 32KB | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 64KB | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| 128KB | Pins 5 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION (INTERNAL) |
|------------------------------------------------------------|
| Size | JP14 | JP15 | JP16 | JP17 |
|----------------+----------+----------+----------+----------|
| 128KB internal | Closed | Closed | Closed | Closed |
| enabled | | | | |
|----------------+----------+----------+----------+----------|
| 128KB internal | Open | Open | Open | Open |
| disabled | | | | |
|------------------------------------------------------------|
| Note: To use internal 128KB cache, remove all |
| external cache chips. Turn system on and press INS |
| key. Then press F1 and enable cache in BIOS setup. |
+------------------------------------------------------------+