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# GIGA-BYTE TECHNOLOGY CO., LTD.
GA-586ATE
Processor Pentium
Processor 75/90/100/120/133/150/166/180/200MHz
Speed
Chip Set Intel
Max. Onboard 128MB
DRAM
Cache 256/512KB
BIOS Award
Dimensions 254mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2), parallel
port, PS/2 mouse interface, serial ports (2), VRM
connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN1 | Green PC LED | J5 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | Reset switch | J6 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN3 | Turbo switch | J7 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Parallel port | CN4 | Turbo LED | J8 |
|-------------------+----------+------------------+----------|
| VRM connector | CN5 | Speaker | J9 |
|-------------------+----------+------------------+----------|
| Chassis fan power | J1 | Power LED & | J10 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J2 | PS/2 mouse | P2 |
| | | interface | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J3 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| Green PC | J4 | | |
| connector | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|---------------------------------------+---------+----------|
| » | Factory configured - do not alter | JP12 | N/A |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 8MB | (2) 1M x 32 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 32 | (2) 1M x 32 | NONE |
|------------+---------------+---------------+---------------|
| 16MB | (2) 2M x 32 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 24MB | (2) 1M x 32 | (2) 1M x 32 | (2) 1M x 32 |
|------------+---------------+---------------+---------------|
| 24MB | (2) 2M x 32 | (2) 1M x 32 | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (2) 4M x 32 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 32 | (2) 1M x 32 | (2) 1M x 32 |
|------------+---------------+---------------+---------------|
| 40MB | (2) 4M x 32 | (2) 1M x 32 | NONE |
|------------+---------------+---------------+---------------|
| 40MB | (2) 2M x 32 | (2) 1M x 32 | (2) 2M x 32 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 32 | (2) 1M x 32 | (2) 1M x 32 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 1M x 32 | (2) 1M x 32 | (2) 4M x 32 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 1M x 32 | (2) 4M x 32 | (2) 1M x 32 |
|------------+---------------+---------------+---------------|
| 56MB | (2) 2M x 32 | (2) 1M x 32 | (2) 4M x 32 |
|------------+---------------+---------------+---------------|
| 56MB | (2) 2M x 32 | (2) 4M x 32 | (2) 1M x 32 |
|------------+---------------+---------------+---------------|
| 64MB | (2) 8M x 32 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 64MB | (2) 2M x 32 | (2) 4M x 32 | (2) 2M x 32 |
|------------+---------------+---------------+---------------|
| 72MB | (2) 4M x 32 | (2) 1M x 32 | (2) 4M x 32 |
|------------+---------------+---------------+---------------|
| 72MB | (2) 4M x 32 | (2) 4M x 32 | (2) 1M x 32 |
|------------+---------------+---------------+---------------|
| 72MB | (2) 1M x 32 | (2) 4M x 32 | (2) 4M x 32 |
|------------+---------------+---------------+---------------|
| 72MB | (2) 8M x 32 | (2) 1M x 32 | NONE |
|------------+---------------+---------------+---------------|
| 80MB | (2) 8M x 32 | (2) 1M x 32 | (2) 1M x 32 |
|------------+---------------+---------------+---------------|
| 80MB | (2) 2M x 32 | (2) 4M x 32 | (2) 4M x 32 |
|------------+---------------+---------------+---------------|
| 88MB | (2) 2M x 32 | (2) 1M x 32 | (2) 8M x 32 |
|------------+---------------+---------------+---------------|
| 88MB | (2) 8M x 32 | (2) 1M x 32 | (2) 2M x 32 |
|------------+---------------+---------------+---------------|
| 96MB | (2) 4M x 32 | (2) 4M x 32 | (2) 4M x 32 |
|------------+---------------+---------------+---------------|
| 104MB | (2) 8M x 32 | (2) 1M x 32 | (2) 4M x 32 |
|------------+---------------+---------------+---------------|
| 104MB | (2) 8M x 32 | (2) 4M x 32 | (2) 1M x 32 |
|------------+---------------+---------------+---------------|
| 112MB | (2) 2M x 32 | (2) 4M x 32 | (2) 8M x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 112MB | (2) 8M x 32 | (2) 4M x 32 | (2) 2M x 32 |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 32 | (2) 4M x 32 | (2) 4M x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|--------------+--------------------+------------------------|
| 256KB | (8) 32K x 8 | (1) 8K or (1) 32K x 8 |
|--------------+--------------------+------------------------|
| 512KB | (8) 64K x 8 | (1) 16K or (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP3 |
|----------------------------+-------------------------------|
| 256KB | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 512KB | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP4 | JP5 | JP6 |
|---------+-------------+-------------+----------------------|
| 75MHz | pins 2 & 3 | pins 2 & 3 | Open |
| | closed | closed | |
|---------+-------------+-------------+----------------------|
| 90MHz | pins 1 & 2 | pins 1 & 2 | Open |
| | closed | closed | |
|---------+-------------+-------------+----------------------|
| 100MHz | pins 1 & 2 | pins 2 & 3 | Open |
| | closed | closed | |
|---------+-------------+-------------+----------------------|
| 120MHz | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 closed |
| | closed | closed | |
|---------+-------------+-------------+----------------------|
| 133MHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 closed |
| | closed | closed | |
|---------+-------------+-------------+----------------------|
| 150MHz | pins 1 & 2 | pins 1 & 2 | pins 1 & 2, 3 & 4 |
| | closed | closed | closed |
|---------+-------------+-------------+----------------------|
| 166MHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2, 3 & 4 |
| | closed | closed | closed |
|---------+-------------+-------------+----------------------|
| 180MHz | pins 1 & 2 | pins 1 & 2 | pins 3 & 4 closed |
| | closed | closed | |
|---------+-------------+-------------+----------------------|
| 200MHz | pins 1 & 2 | pins 2 & 3 | pins 3 & 4 closed |
| | closed | closed | |
|------------------------------------------------------------|
| Note: The location of pin 1 on JP6 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOLTAGE REGULATOR MODULE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | CN5 |
|----------------------------+-------------------------------|
| 3.3v | pins A6 & A7, B6 & B7 closed |
|----------------------------+-------------------------------|
| 2.5v/3.3v | VRM installed |
+------------------------------------------------------------+