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# SILICON STAR INTERNATIONAL, INC.
FU325/FU333/FU340
Processor 80386DX
Processor Speed 25/33/40MHz
Chip Set C & T/Peak DM
Max. Onboard DRAM 32MB
Cache 32/64/128/256KB
BIOS AMI/C & T
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387/3167
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 | Jumper | 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | Cache | Location | Tag (U7) | Tag (U14 & |
| | | | | U15) |
|-------+-------------+------------+------------+------------|
| 32KB | (4) 8K x 8 | NONE | (1) 8K x 8 | NONE |
|-------+-------------+------------+------------+------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | NONE | (2) 16K x |
| | | | | 4 |
|-------+-------------+------------+------------+------------|
| 128KB | (4) 32K x 8 | NONE | (1) 32K x | NONE |
| | | | 8 | |
|-------+-------------+------------+------------+------------|
| 256KB | (4) 32K x 8 | (4) 32K x | NONE | (2) 64K x |
| | | 8 | | 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J26 | J27 | J28 | J29 | J33 | J34 |
|--------+-------+--------+--------+--------+--------+-------|
| 32KB | 1 & 2 | Open | Open | Closed | Closed | Open |
|--------+-------+--------+--------+--------+--------+-------|
| 64KB | 1 & 2 | Closed | Open | Closed | Closed | 1 & 2 |
|--------+-------+--------+--------+--------+--------+-------|
| 128KB | 2 & 3 | Closed | Open | Closed | Open | 1 & 2 |
|--------+-------+--------+--------+--------+--------+-------|
| 256KB | 2 & 3 | Closed | Closed | Open | Open | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | J35 | J36 | J37 | J38 | J39 | J41 | J52 |
|-------+-------+-------+------+-------+------+-------+------|
| 32KB | 2 & 3 | 2 & 3 | 2 & | Open | 2 & | Open | 1 & |
| | | | 3 | | 3 | | 2 |
|-------+-------+-------+------+-------+------+-------+------|
| 64KB | Open | 2 & 3 | 2 & | 1 & 2 | 1 & | Open | 1 & |
| | | | 3 | | 2 | | 2 |
|-------+-------+-------+------+-------+------+-------+------|
| 128KB | Open | 1 & 2 | 1 & | 2 & 3 | 2 & | 1 & 2 | 2 & |
| | | | 2 | | 3 | | 3 |
|-------+-------+-------+------+-------+------+-------+------|
| 256KB | 1 & 2 | 1 & 2 | 1 & | 2 & 3 | 1 & | 1 & 2 | 2 & |
| | | | 2 | | 2 | | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+