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# SILICON STAR INTERNATIONAL, INC.
FU3 (VER. 2)
Processor 80386DX
Processor Speed 25/33/40MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard Memory 32MB
Maximum Video Memory None
Cache 32/64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387DX/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Turbo LED | D4 | Turbo switch | J50 |
|-------------------+----------+------------------+----------|
| Speaker | J18 | Reset switch | J51 |
|-------------------+----------+------------------+----------|
| Power LED & | J19 | External battery | JP2 |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | J21 | Open |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Monitor type select monochrome | J23 | Open |
|---+---------------------------------+-------+--------------|
| | Monitor type select color | J23 | Closed |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | J42 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | J42 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP10 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP11 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP30 | Closed |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | (2) 16K x 4 |
|----------+----------------+----------------+---------------|
| 128KB | (4) 32K x 8 | None | (1) 32K x 8 |
|----------+----------------+----------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (2) 64K x 4 |
|------------------------------------------------------------|
| Note: The location of banks 0 & 1 and TAG are |
| unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J26 | J27 | J28 | J29 |
|---------+-------------------+----------+---------+---------|
| 32KB | Pins 1 & 2 closed | Open | Open | Closed |
|---------+-------------------+----------+---------+---------|
| 64KB | Pins 1 & 2 closed | Closed | Open | Closed |
|---------+-------------------+----------+---------+---------|
| 128KB | Pins 2 & 3 closed | Closed | Open | Closed |
|---------+-------------------+----------+---------+---------|
| 256KB | Pins 2 & 3 closed | Closed | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | J33 | J34 | J35 | J36 | J37 |
|----------+----------+----------+---------+--------+--------|
| 32KB | Closed | Open | 2 & 3 | 2 & 3 | 2 & 3 |
|----------+----------+----------+---------+--------+--------|
| 64KB | Closed | 1 & 2 | Open | 2 & 3 | 2 & 3 |
|----------+----------+----------+---------+--------+--------|
| 128KB | Open | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|----------+----------+----------+---------+--------+--------|
| 256KB | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | J38 | J39 | J41 | J52 |
|-------+-------------+------------+------------+------------|
| 32KB | Open | Pins 2 & 3 | Open | Pins 1 & 2 |
| | | closed | | closed |
|-------+-------------+------------+------------+------------|
| 64KB | Pins 1 & 2 | Pins 1 & 2 | Open | Pins 1 & 2 |
| | closed | closed | | closed |
|-------+-------------+------------+------------+------------|
| 128KB | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 256KB | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+