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# GIGA-BYTE TECHNOLOGY CO., LTD.
GA-586AL
Processor Pentium
Processor Speed 60/66MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard 160MB
Memory
Maximum Video None
Memory
Cache 256/512/1024KB
BIOS Award
Dimensions 254mm x 218mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, serial ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN1 | IDE interface | JP5 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | Reset switch | JP16 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN3 | Power LED & | JP17 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | Turbo switch | JP18 |
| interface | | | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN5 | Turbo LED | JP19 |
|-------------------+----------+------------------+----------|
| Parallel port | CN6 | Speaker | JP20 |
|-------------------+----------+------------------+----------|
| Chassis fan power | JP3 | 32-bit PCI slots | PC1 – |
| | | | PC3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | JP13 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP14 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 2MB | (2) 256K x 36 | None | None |
|------------+---------------+---------------+---------------|
| 4MB | (2) 256K x 36 | (2) 256K x 36 | None |
|------------+---------------+---------------+---------------|
| 4MB | (2) 512K x 36 | None | None |
|------------+---------------+---------------+---------------|
| 8MB | (2) 1M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 10MB | (2) 1M x 36 | (2) 256K x 36 | None |
|------------+---------------+---------------+---------------|
| 12MB | (2) 512K x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 16MB | (2) 2M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 18MB | (2) 2M x 36 | (2) 256K x 36 | None |
|------------+---------------+---------------+---------------|
| 18MB | (2) 1M x 36 | (2) 1M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 24MB | (2) 1M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 26MB | (2) 2M x 36 | (2) 1M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 28MB | (2) 2M x 36 | (2) 1M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 32MB | (2) 4M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 34MB | (2) 4M x 36 | (2) 256K x 36 | None |
|------------+---------------+---------------+---------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 42MB | (2) 4M x 36 | (2) 1M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 64MB | (2) 8M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 | None |
|------------+---------------+---------------+---------------|
| 66MB | (2) 8M x 36 | (2) 256K x 36 | None |
|------------+---------------+---------------+---------------|
| 66MB | (2) 4M x 36 | (2) 4M x 36 | (2) 256K x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 70MB | (2) 8M x 36 | (2) 256K x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 74MB | (2) 8M x 36 | (2) 1M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 80MB | (2) 8M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 | None |
|------------+---------------+---------------+---------------|
| 96MB | (2) 4M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 98MB | (2) 8M x 36 | (2) 4M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 100MB | (2) 8M x 36 | (2) 4M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 104MB | (2) 8M x 36 | (2) 4M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 112MB | (2) 8M x 36 | (2) 4M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 160MB | (2) 8M x 36 | (2) 4M x 36 | (2) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|----------+---------------+---------------+-----------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 8K/32K x 8 |
|----------+---------------+---------------+-----------------|
| 512KB | (4) 64K x 8 | (4) 64K x 8 | (1) 16K/32K x 8 |
|----------+---------------+---------------+-----------------|
| 1MB | (4) 128K x 8 | (4) 128K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP1 | JP2 |
|------------------+--------------------+--------------------|
| 256KB | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 512KB | Pins 1 & 2 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 1MB | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP21 |
|----------------------------+-------------------------------|
| 60MHz | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 66MHz | Pins 2 & 3 closed |
+------------------------------------------------------------+