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# GIGA-BYTE TECHNOLOGY CO., LTD
GA-386TS
Processor 80386DX
Processor Speed 33/40MHz
Chip Set OPTI
Max. Onboard DRAM 32MB
SRAM Cache 64/128/256KB
BIOS AMI/MR
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card slot
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Speaker | J1 | 32-bit external | S1 |
| | | memory card | |
|-------------------+----------+------------------+----------|
| Power LED & | J2 | Turbo switch | SW1 |
| Keylock | | | |
|-------------------+----------+------------------+----------|
| External battery | J3 | Reset switch | SW2 |
|-------------------+----------+------------------+----------|
| Turbo LED | JP1 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-------------------------------------+---------+------------|
| » | Monitor type select color | JP8 | closed |
|----+--------------------------------+---------+------------|
| | Monitor type select monochrome | JP8 | open |
|----+--------------------------------+---------+------------|
| » | CMOS memory normal operation | JP9 | pins 1 & 2 |
| | | | closed |
|----+--------------------------------+---------+------------|
| | CMOS memory clear | JP9 | pins 2 & 3 |
| | | | closed |
|------------------------------------------------------------|
| Note:The location of JP9 may differ depending on the board |
| revision. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (3) 4K x 4 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (3) 16K x 4 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (3) 16K x 4 |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP2 | JP4 | JP5 | JP6 |
|-------+-----------------+------------+------------+--------|
| 64KB | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | Open |
| | closed | closed | closed | |
|-------+-----------------+------------+------------+--------|
| 128KB | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | Closed |
| | closed | closed | closed | |
|-------+-----------------+------------+------------+--------|
| 256KB | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | Closed |
| | closed | closed | closed | |
+------------------------------------------------------------+