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# UNIDENTIFIED
386 CACHE SERIES VER. 2.0
Processor 80386DX
Processor Speed 16/20/25/33/40MHz
Chip Set SIS
Max. Onboard DRAM 16MB (8MB on external memory card)
Cache 32/64/128KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card
NPU Options 80387DX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | JP1 | Speaker | JP20 |
|-------------------+----------+------------------+----------|
| Turbo LED | JP14 | 32-bit external | SL1 |
| | | memory card | |
|-------------------+----------+------------------+----------|
| Turbo switch | JP15 | Reset switch | SW1 |
|-------------------+----------+------------------+----------|
| Power LED & | JP19 | | |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Factory configured - do not | JP4 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP5 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP6 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| | Cache type select external | JP7 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Cache type select internal | JP7 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select monochrome | JP13 | Open |
|---+----------------------------------+--------+------------|
| | Monitor type select CGA/EGA/VGA | JP13 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP16 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP17 | pins 2 & 3 |
| | alter | | closed |
|------------------------------------------------------------|
| Note: The location of JP7 is unknown. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 32KB | (4) 8K x 8 | NONE |
|------------------+--------------------+--------------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 |
|------------------+--------------------+--------------------|
| 128KB | NONE | (4) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION (TAG) |
|------------------------------------------------------------|
| Size | U30 | U31 | U43 |
|------------+---------------+---------------+---------------|
| 32KB | (1) 16K x 4 | (1) 16K x 4 | NONE |
|------------+---------------+---------------+---------------|
| 64KB | (1) 16K x 4 | (1) 16K x 4 | NONE |
|------------+---------------+---------------+---------------|
| 128KB | NONE | NONE | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP8 | JP9 | JP10 | JP11 | JP12 | JP18 |
|------------+-------+-------+-------+-------+-------+-------|
| 32KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | Open |
|------------+-------+-------+-------+-------+-------+-------|
| 64KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | Open |
|------------+-------+-------+-------+-------+-------+-------|
| 128KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 |
|------------+-------+-------+-------+-------+-------+-------|
| 128KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | Open | Open |
| (internal) | | | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
| The location of JP8 is unknown. |
+------------------------------------------------------------+