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# GIGA-BYTE TECHNOLOGY CO., LTD.
GA-6LM7A (VER. 1.0)
Device Type Mainboard
Processor Celeron
Processor Speed 300/333/366/400/433MHz
Chip Set Intel 440LX
Maximum Onboard 768MB (EDO & SDRAM supported)
Memory
Audio Chip Set ESS
Cache 128KB (located on the Celeron CPU)
BIOS Award
Dimensions 305mm x 244mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
game/MIDI port, green PC connector, IDE
interfaces (2), parallel port, PS/2 mouse
port, serial ports (2), IR connector, USB
connectors (2), ATX power connector, AGP slot,
line in, line out, microphone in, audio in -
CD-ROMs (2), SB-link connector, wake on LAN
connector, wake on modem connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+------------------+------------|
| AGP slot | AGP | IDE interface 1 | CN12 |
|-----------------+----------+------------------+------------|
| ATX power | ATX | Floppy drive | CN13 |
| connector | | interface | |
|-----------------+----------+------------------+------------|
| Chassis fan | C1 | IR connector | IR1 |
| power | | | |
|-----------------+----------+------------------+------------|
| Power fan power | C2 | Audio in - | J10 |
| | | CD-ROM | |
|-----------------+----------+------------------+------------|
| CPU fan power | C3 | Audio in - | J11 |
| | | CD-ROM | |
|-----------------+----------+------------------+------------|
| Modem connector | C4 | Wake on modem | J14 |
| | | connector | |
|-----------------+----------+------------------+------------|
| Game/MIDI port | CN1 | Green PC LED | JP6/pins 1 |
| | | | & 12 |
|-----------------+----------+------------------+------------|
| Microphone in | CN2 | Reset switch | JP6/pins 3 |
| | | | & 4 |
|-----------------+----------+------------------+------------|
| Line in | CN3 | Speaker | JP6/pins 5 |
| | | | - 8 |
|-----------------+----------+------------------+------------|
| Line out | CN4 | IDE interface | JP6/pins 9 |
| | | LED | & 20 |
|-----------------+----------+------------------+------------|
| Serial port 1 | CN5 | Green PC | JP6/pins |
| | | connector | 11 & 22 |
|-----------------+----------+------------------+------------|
| Serial port 2 | CN6 | Soft off power | JP6/pins |
| | | supply | 15 & 16 |
|-----------------+----------+------------------+------------|
| Parallel port | CN7 | Power LED | JP6/pins |
| | | | 17 - 19 |
|-----------------+----------+------------------+------------|
| USB connector 1 | CN8 | Wake on LAN | JP8 |
| | | connector | |
|-----------------+----------+------------------+------------|
| USB connector 2 | CN9 | Case open | JP9 |
| | | connector | |
|-----------------+----------+------------------+------------|
| PS/2 mouse port | CN10 | SB-link | JP10 |
| | | connector | |
|-----------------+----------+------------------+------------|
| IDE interface 2 | CN11 | 32-bit PCI slots | PC1 - PC3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-------+-----------------|
| » | CMOS memory normal operation | J13 | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | J13 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| » | Keyboard power on disabled | JP1 | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | Keyboard power on enabled | JP1 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | On board sound enabled | JP5 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | On board sound disabled | JP5 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 8MB | (1) 1M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 2M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 24MB | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 4M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 40MB | (1) 2M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 48MB | (1) 2M x 64 | (1) 2M x 64 | (1) 2M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|---------+------------------+---------------+---------------|
| 56MB | (1) 4M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|---------+------------------+---------------+---------------|
| 64MB | (1) 8M x 64 | None | None |
|---------+------------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|---------+------------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 | None |
|---------+------------------+---------------+---------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 | None |
|---------+------------------+---------------+---------------|
| 72MB | (1) 4M x 64 | (1) 4M x 64 | (1) 1M x 64 |
|---------+------------------+---------------+---------------|
| 80MB | (1) 8M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|---------+------------------+---------------+---------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 | None |
|---------+------------------+---------------+---------------|
| 80MB | (1) 4M x 64 | (1) 4M x 64 | (1) 2M x 64 |
|---------+------------------+---------------+---------------|
| 88MB | (1) 8M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|---------+------------------+---------------+---------------|
| 96MB | (1) 8M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|---------+------------------+---------------+---------------|
| 128MB | (1) 16M x 64 | None | None |
|---------+------------------+---------------+---------------|
| 128MB | (1) 8M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|---------+------------------+---------------+---------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 | None |
|---------+------------------+---------------+---------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 | None |
|---------+------------------+---------------+---------------|
| 144MB | (1) 8M x 64 | (1) 8M x 64 | (1) 2M x 64 |
|---------+------------------+---------------+---------------|
| 152MB | (1) 16M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|---------+------------------+---------------+---------------|
| 160MB | (1) 16M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|---------+------------------+---------------+---------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 | None |
|---------+------------------+---------------+---------------|
| 160MB | (1) 8M x 64 | (1) 8M x 64 | (1) 4M x 64 |
|---------+------------------+---------------+---------------|
| 168MB | (1) 16M x 64 | (1) 4M x 64 | (1) 1M x 64 |
|---------+------------------+---------------+---------------|
| 176MB | (1) 16M x 64 | (1) 4M x 64 | (1) 2M x 64 |
|---------+------------------+---------------+---------------|
| 192MB | (1) 16M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|---------+------------------+---------------+---------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 | None |
|---------+------------------+---------------+---------------|
| 192MB | (1) 8M x 64 | (1) 8M x 64 | (1) 8M x 64 |
|---------+------------------+---------------+---------------|
| 256MB | (1) 32M x 64 | None | None |
|---------+------------------+---------------+---------------|
| 256MB | (1) 16M x 64 | (1) 8M x 64 | (1) 8M x 64 |
|---------+------------------+---------------+---------------|
| 264MB | (1) 32M x 64 | (1) 1M x 64 | None |
|---------+------------------+---------------+---------------|
| 272MB | (1) 32M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|---------+------------------+---------------+---------------|
| 272MB | (1) 32M x 64 | (1) 2M x 64 | None |
|---------+------------------+---------------+---------------|
| 288MB | (1) 32M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|---------+------------------+---------------+---------------|
| 288MB | (1) 32M x 64 | (1) 4M x 64 | None |
|---------+------------------+---------------+---------------|
| 384MB | (1) 32M x 64 | (1) 16M x 64 | None |
|---------+------------------+---------------+---------------|
| 384MB | (1) 16M x 64 | (1) 16M x 64 | (1) 16M x 64 |
|---------+------------------+---------------+---------------|
| 512MB | (1) 32M x 64 | (1) 16M x 64 | (1) 16M x 64 |
|---------+------------------+---------------+---------------|
| 512MB | (1) 32M x 64 | (1) 32M x 64 | None |
|---------+------------------+---------------+---------------|
| 768MB | (1) 32M x 64 | (1) 32M x 64 | (1) 32M x 64 |
|---------+------------------+---------------+---------------|
| 384MB | (1) 16M x 64 | (1) 16M x 64 | (1) 16M x 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO & SDRAM memory. Maximum SDRAM is |
| 384MB. Maximum EDO is 768MB. |
+------------------------------------------------------------+
+--------------------------------------------------+
| CACHE CONFIGURATION |
|--------------------------------------------------|
| Note: 128KB cache is located on the Celeron CPU. |
+--------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP2 | JP3 | JP4 |
| | speed | | | | |
|------------+----------+------------+-------+-------+-------|
| 300MHz | 66MHz | 4.5x | 2 & 3 | 2 & 3 | 2 & 3 |
|------------+----------+------------+-------+-------+-------|
| 333MHz | 66MHz | 5x | 2 & 3 | 2 & 3 | 2 & 3 |
|------------+----------+------------+-------+-------+-------|
| 366MHz | 66MHz | 5.5x | 2 & 3 | 2 & 3 | 2 & 3 |
|------------+----------+------------+-------+-------+-------|
| 400MHz | 66MHz | 6x | 2 & 3 | 2 & 3 | 2 & 3 |
|------------+----------+------------+-------+-------+-------|
| 433MHz | 66MHz | 6.5x | 2 & 3 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CON'T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
|---------+-----------+----------+------+------+------+------|
| 300MHz | 66MHz | 4.5x | Off | On | Off | On |
|---------+-----------+----------+------+------+------+------|
| 333MHz | 66MHz | 5x | On | Off | Off | On |
|---------+-----------+----------+------+------+------+------|
| 366MHz | 66MHz | 5.5x | Off | Off | Off | On |
|---------+-----------+----------+------+------+------+------|
| 400MHz | 66MHz | 6x | On | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 433MHz | 66MHz | 6.5x | Off | On | On | Off |
+------------------------------------------------------------+