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# ABIT COMPUTER CORPORATION
FS333/FS340
Processor 80386DX
Processor Speed 33/40MHz
Chip Set C & T
Max. Onboard DRAM 32MB
Cache 32/64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| External | JP5 | Speaker | JP11 |
| battery | | | |
|---------------+----------+----------------------+----------|
| Reset switch | JP6 | Keylock/Front panel | JP13 |
| | | Power LED | |
|---------------+----------+----------------------+----------|
| Turbo switch | JP7 | Power LED | JP15 |
|---------------+----------+----------------------+----------|
| Turbo LED | JP10 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CMOS memory normal operation | JP1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | NPU mode select synchronous with | JP2 | Open |
| | CPU | | |
|---+----------------------------------+--------+------------|
| | NPU mode select asynchronous | JP2 | Closed |
| | with CPU | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP4 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Power good signal detect from | JP14 | pins 2 & 3 |
| | power supply | | closed |
|---+----------------------------------+--------+------------|
| | Power good signal detect from | JP14 | pins 1 & 2 |
| | board | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select monochrome | JP20 | Open |
|---+----------------------------------+--------+------------|
| | Monitor type select color | JP20 | Closed |
|---+----------------------------------+--------+------------|
| » | BIOS normal operation | JP21 | Open |
|---+----------------------------------+--------+------------|
| | BIOS diagnostic test enabled | JP21 | 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 | Bank 0 | Bank 1 | TAG (U22) | TAG (U24) |
|-------+-------------+------------+------------+------------|
| 32KB | (4) 8K x 8 | NONE | (1) 8K x 8 | NONE |
|-------+-------------+------------+------------+------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 16K x | (1) 16K x |
| | | | 4 | 4 |
|-------+-------------+------------+------------+------------|
| 128KB | (4) 32K x 8 | NONE | (1) 32K x | NONE |
| | | | 8 | |
|-------+-------------+------------+------------+------------|
| 256KB | (4) 32K x 8 | (4) 32K x | (1) 64K x | (1) 64K x |
| | | 8 | 4 | 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JPX1 |
|----------------------------+-------------------------------|
| 32KB | pins 1 - 8 closed |
|----------------------------+-------------------------------|
| 64KB | pins 3 - 10 closed |
|----------------------------+-------------------------------|
| 128KB | pins 5 - 12 closed |
|----------------------------+-------------------------------|
| 256KB | pins 9 - 16 closed |
+------------------------------------------------------------+