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# GIGA-BYTE TECHNOLOGY CO., LTD.
GA-586AVS
Processor Pentium
Processor 75/90/100/120/133/150/166/180/200MHz
Speed
Chip Set SIS
Max. Onboard 128MB
DRAM
Cache 256/512/1024KB
BIOS Award
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
green PC connector, IDE interfaces (2), parallel
port, PS/2 mouse interface, serial ports (2), VGA
feature connector, VGA interface, cache slot
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Power LED & | JA | Serial port 1 | J8 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | JB | Serial port 2 | J9 |
|-------------------+----------+------------------+----------|
| Turbo LED | JC | Parallel port | J10 |
|-------------------+----------+------------------+----------|
| Turbo switch | JD | Floppy drive | J11 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Reset switch | JE | IDE interface 1 | J12 |
|-------------------+----------+------------------+----------|
| Green PC LED | JF | IDE interface 2 | J13 |
|-------------------+----------+------------------+----------|
| Green PC | JG | External battery | J21 |
| connector | | | |
|-------------------+----------+------------------+----------|
| IDE interface LED | JH | PS/2 mouse | J31 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Chassis fan power | JI | 32-bit PCI slots | PC1 - |
| | | | PC3 |
|-------------------+----------+------------------+----------|
| VGA interface | J5 | Cache slot | SL1 |
|-------------------+----------+------------------+----------|
| VGA feature | J7 | | |
| connector | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------+--------+----------------|
| » | On board VGA IRQ disabled | JP9 | Open |
|---+------------------------------+--------+----------------|
| | On board VGA IRQ enabled | JP9 | Closed |
|---+------------------------------+--------+----------------|
| » | CMOS memory normal operation | J21 | pins 2 & 3 |
| | | | closed |
|---+------------------------------+--------+----------------|
| | CMOS memory clear | J21 | Open |
|---+------------------------------+--------+----------------|
| | Battery type select external | J21 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 4MB | (2) 512K x 36 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (2) 256K x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (2) 256K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (2) 512K x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | NONE |
|------------------+--------------------+--------------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (2) 256K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 10MB | (2) 1M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 512K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 1M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | NONE |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 18MB | (2) 256K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 18MB | (2) 2M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 512K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 2M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | NONE |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 34MB | (2) 256K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 34MB | (2) 4M x 36 | (2) 256K x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 36MB | (2) 512K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 36MB | (2) 4M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | NONE |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 66MB | (2) 256K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 66MB | (2) 8M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 512K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 8M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG | SL1 |
|-----------+--------------+-----------------+---------------|
| 256KB (A) | (8) 32K x 8 | (1) 8K or (1) | Not installed |
| | | 32K x 8 | |
|-----------+--------------+-----------------+---------------|
| 256KB (B) | NONE | NONE | Installed |
|-----------+--------------+-----------------+---------------|
| 512KB | (8) 64K x 8 | (1) 16K or (1) | Not installed |
| | | 32K x 8 | |
|-----------+--------------+-----------------+---------------|
| 1MB | (8) 128K x 8 | (1) 32K x 8 | Not installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP2 | JP3 |
|------------------+--------------------+--------------------|
| 256KB (A) | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 256KB (B) | 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 CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP7 | JP31 |
|--------+-------------------------+-------------------------|
| 75MHz | pins 1 & 2 closed | Open |
|--------+-------------------------+-------------------------|
| 90MHz | pins 3 & 4 closed | Open |
|--------+-------------------------+-------------------------|
| 100MHz | pins 1 & 2, 5 & 6 | Open |
| | closed | |
|--------+-------------------------+-------------------------|
| 120MHz | pins 3 & 4 closed | pins 1 & 2 closed |
|--------+-------------------------+-------------------------|
| 133MHz | pins 1 & 2, 5 & 6 | pins 1 & 2 closed |
| | closed | |
|--------+-------------------------+-------------------------|
| 150MHz | pins 3 & 4 closed | pins 1 & 2, 3 & 4 |
| | | closed |
|--------+-------------------------+-------------------------|
| 166MHz | pins 1 & 2, 5 & 6 | pins 1 & 2, 3 & 4 |
| | closed | closed |
|--------+-------------------------+-------------------------|
| 180MHz | pins 3 & 4 closed | pins 3 & 4 closed |
|--------+-------------------------+-------------------------|
| 200MHz | pins 1 & 2, 5 & 6 | pins 3 & 4 closed |
| | closed | |
+------------------------------------------------------------+