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# GIGA-BYTE TECHNOLOGY CO., LTD.
GA-386PL
Processor 80386DX
Processor Speed 25/33MHz
Chip Set OPTi
Max. Onboard DRAM 16MB
Cache 64/128KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387DX/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Power LED & | JP9 | Turbo switch | JP12 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | JP10 | Turbo LED | JP34 |
|-------------------+----------+------------------+----------|
| Reset switch | JP11 | External battery | JP36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | NPU 80387 installed | JP21 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | NPU Weitek 3167 installed or no | JP21 | pins 2 & 3 |
| | NPU installed | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP33 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP33 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP35 | pins 1 & 2 |
| | (Internal Battery) | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory normal operation | JP35 | pins 2 & 3 |
| | (External Battery) or CMOS clear | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | JP23 & JP32 |
|------+---------+---------+---------+---------+-------------|
| 1MB | (36) | NONE | NONE | NONE | pins 1 & 2 |
| | 41256 | | | | closed |
|------+---------+---------+---------+---------+-------------|
| 1MB | NONE | NONE | (4) | NONE | pins 2 & 3 |
| | | | 256K x | | closed |
| | | | 9 | | |
|------+---------+---------+---------+---------+-------------|
| 2MB | (36) | (36) | NONE | NONE | pins 1 & 2 |
| | 41256 | 41256 | | | closed |
|------+---------+---------+---------+---------+-------------|
| 2MB | NONE | NONE | (4) | (4) | pins 2 & 3 |
| | | | 256K x | 256K x | closed |
| | | | 9 | 9 | |
|------+---------+---------+---------+---------+-------------|
| 3MB | (36) | (36) | (4) | NONE | pins 1 & 2 |
| | 41256 | 41256 | 256K x | | closed |
| | | | 9 | | |
|------+---------+---------+---------+---------+-------------|
| 4MB | (36) | NONE | NONE | NONE | pins 1 & 2 |
| | 411000 | | | | closed |
|------+---------+---------+---------+---------+-------------|
| 4MB | NONE | NONE | (4) 1M | NONE | pins 2 & 3 |
| | | | x 9 | | closed |
|------+---------+---------+---------+---------+-------------|
| 4MB | (36) | (36) | (4) | NONE | pins 1 & 2 |
| | 41256 | 41256 | 256K x | | closed |
| | | | 9 | | |
|------+---------+---------+---------+---------+-------------|
| 5MB | (36) | (36) | NONE | NONE | pins 1 & 2 |
| | 41256 | 411000 | | | closed |
|------+---------+---------+---------+---------+-------------|
| 5MB | (36) | (36) | NONE | NONE | pins 1 & 2 |
| | 411000 | 41256 | | | closed |
|------+---------+---------+---------+---------+-------------|
| 5MB | NONE | NONE | (4) | (4) 1M | pins 2 & 3 |
| | | | 256K x | x 9 | closed |
| | | | 9 | | |
|------+---------+---------+---------+---------+-------------|
| 5MB | NONE | NONE | (4) 1M | (4) | pins 2 & 3 |
| | | | x 9 | 256K x | closed |
| | | | | 9 | |
|------+---------+---------+---------+---------+-------------|
| 6MB | (36) | (36) | (4) 1M | NONE | pins 1 & 2 |
| | 41256 | 41256 | x 9 | | closed |
|------+---------+---------+---------+---------+-------------|
| 6MB | (36) | (36) | (4) | NONE | pins 1 & 2 |
| | 41256 | 411000 | 256K x | | closed |
| | | | 9 | | |
|------+---------+---------+---------+---------+-------------|
| 6MB | (36) | (36) | (4) | NONE | pins 1 & 2 |
| | 411000 | 41256 | 256K x | | closed |
| | | | 9 | | |
|------+---------+---------+---------+---------+-------------|
| 7MB | (36) | (36) | (4) 1M | (4) | pins 1 & 2 |
| | 41256 | 41256 | x 9 | 256K x | closed |
| | | | | 9 | |
|------+---------+---------+---------+---------+-------------|
| 7MB | (36) | (36) | (4) | (4) | pins 1 & 2 |
| | 41256 | 411000 | 256K x | 256K x | closed |
| | | | 9 | 9 | |
|------+---------+---------+---------+---------+-------------|
| 7MB | (36) | (36) | (4) | (4) | pins 1 & 2 |
| | 411000 | 41256 | 256K x | 256K x | closed |
| | | | 9 | 9 | |
|------+---------+---------+---------+---------+-------------|
| 8MB | (36) | (36) | NONE | NONE | pins 2 & 3 |
| | 411000 | 411000 | | | closed |
|------+---------+---------+---------+---------+-------------|
| 8MB | (36) | (36) | NONE | NONE | pins 1 & 2 |
| | 411000 | 411000 | | | closed |
|------+---------+---------+---------+---------+-------------|
| 9MB | (36) | (36) | (4) 1M | NONE | pins 1 & 2 |
| | 41256 | 411000 | x 9 | | closed |
|------+---------+---------+---------+---------+-------------|
| 9MB | (36) | (36) | (4) | NONE | pins 1 & 2 |
| | 411000 | 411000 | 256K x | | closed |
| | | | 9 | | |
|------+---------+---------+---------+---------+-------------|
| 9MB | (36) | (36) | (4) 1M | NONE | pins 1 & 2 |
| | 411000 | 41256 | x 9 | | closed |
|------+---------+---------+---------+---------+-------------|
| 10MB | (36) | (36) | (4) 1M | (4) 1M | pins 1 & 2 |
| | 41256 | 41256 | x 9 | x 9 | closed |
|------+---------+---------+---------+---------+-------------|
| 10MB | (36) | (36) | (4) 1M | (4) | pins 1 & 2 |
| | 41256 | 411000 | x 9 | 256K x | closed |
| | | | | 9 | |
|------+---------+---------+---------+---------+-------------|
| 10MB | (36) | (36) | (4) | (4) | pins 1 & 2 |
| | 411000 | 411000 | 256K x | 256K x | closed |
| | | | 9 | 9 | |
|------+---------+---------+---------+---------+-------------|
| 10MB | (36) | (36) | (4) 1M | (4) | pins 1 & 2 |
| | 411000 | 41256 | x 9 | 256K x | closed |
| | | | | 9 | |
|------+---------+---------+---------+---------+-------------|
| 12MB | (36) | (36) | (4) 1M | NONE | pins 1 & 2 |
| | 411000 | 411000 | x 9 | | closed |
|------+---------+---------+---------+---------+-------------|
| 13MB | (36) | (36) | (4) 1M | (4) 1M | pins 1 & 2 |
| | 41256 | 411000 | x 9 | x 9 | closed |
|------+---------+---------+---------+---------+-------------|
| 13MB | (36) | (36) | (4) 1M | (4) | pins 1 & 2 |
| | 411000 | 411000 | x 9 | 256K x | closed |
| | | | | 9 | |
|------+---------+---------+---------+---------+-------------|
| 13MB | (36) | (36) | (4) 1M | (4) 1M | pins 1 & 2 |
| | 411000 | 41256 | x 9 | x 9 | closed |
|------+---------+---------+---------+---------+-------------|
| 16MB | (36) | (36) | (4) 1M | (4) 1M | pins 1 & 2 |
| | 411000 | 411000 | x 9 | x 9 | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 64KB | (8) 8K x 8 | (8) 8K x 8 | (3) 16K x 4 |
|------------+---------------+---------------+---------------|
| 128KB | (8) 64K x 8 | (8) 64K x 8 | (3) 16K x 4 |
+------------------------------------------------------------+