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# GIGA-BYTE TECHNOLOGY CO., LTD.
GA-586ID REV. 1
Processor Dual Pentium
Processor Speed 90/100MHz
Chip Set Intel
Max. Onboard DRAM 512MB
Cache 256/512KB
BIOS Award
Dimensions 330mm x 218mm
I/O Options 32-bit PCI bus slots (3)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Speaker | J1 | Reset switch | J5 |
|---------------+----------+----------------------+----------|
| Turbo LED | J2 | Chassis fan power | J6 |
|---------------+----------+----------------------+----------|
| Turbo switch | J3 | Chassis fan power | J7 |
|---------------+----------+----------------------+----------|
| Power LED & | J4 | 32-bit PCI bus slots | SL1 - |
| keylock | | | SL3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| ยป | Turbo switch select high speed | J3 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Turbo switch select low speed | J3 | pins 1 & 2 |
| | (non-cache) | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------+---------------+---------------+---------------|
| 6MB | (2) 256K x 36 | (2) 256K x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 8MB | (2) 1M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 12MB | (2) 512K x 36 | (2) 512K x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 12MB | (2) 1M x 36 | (2) 512K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 36 | (2) 512K x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 16MB | (2) 2M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 20MB | (2) 1M x 36 | (2) 1M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 20MB | (2) 2M x 36 | (2) 512K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 24MB | (2) 1M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (2) 2M x 36 | (2) 512K x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (2) 4M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 2M x 36 | (2) 2M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 64MB | (2) 8M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 36 | (2) 2M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 96MB | (2) 8M x 36 | (2) 2M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (2) 4M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 128MB | (2) 16M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 192MB | (2) 8M x 36 | (2) 8M x 36 | (2) 8M x 36 |
|------------+---------------+---------------+---------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 256MB | (2) 32M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 384MB | (2) 16M x 36 | (2) 16M x 36 | (2) 16M x 36 |
|------------+---------------+---------------+---------------|
| 512MB | (2) 32M x 36 | (2) 32M x 36 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (4) 64K x 8 | (4) 64K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (4) 128K x 8 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP8 |
|----------------------------+-------------------------------|
| 256KB | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 512KB | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP7 |
|----------------------------+-------------------------------|
| 90MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 100MHz | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT CONFIGURATION (INT A) |
|------------------------------------------------------------|
| Interrupt | ISA IRQ | JP15 |
|--------------------+------------------+--------------------|
| INT A | IRQ9 | pins 2 & 3 closed |
|--------------------+------------------+--------------------|
| INT A | IRQ14 | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT CONFIGURATION (INT B) |
|------------------------------------------------------------|
| Interrupt | ISA IRQ | JP14 |
|--------------------+------------------+--------------------|
| INT B | IRQ10 | pins 2 & 3 closed |
|--------------------+------------------+--------------------|
| INT B | IRQ15 | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT CONFIGURATION (INT C) |
|------------------------------------------------------------|
| Interrupt | ISA IRQ | JP13 |
|--------------------+------------------+--------------------|
| INT C | IRQ11 | pins 2 & 3 closed |
|--------------------+------------------+--------------------|
| INT C | IRQ12 | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT CONFIGURATION (INT D) |
|------------------------------------------------------------|
| Interrupt | ISA IRQ | JP12 |
|--------------------+------------------+--------------------|
| INT D | IRQ14 | pins 2 & 3 closed |
|--------------------+------------------+--------------------|
| INT D | IRQ5 | pins 1 & 2 closed |
+------------------------------------------------------------+