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# CONCORD OFFICE AUTOMATION INDUSTRIAL (HK), LTD.
COA-G20MX
Device Type Mainboard
Processor CX GXM
Processor Speed 200/233/266MHz
Chip Set Cyrix
Video Chip Set Unidentified
Maximum Onboard 128MB
Memory
Maximum Video Unidentified
Memory
Cache None
BIOS Award
Dimensions 220mm x 220mm
I/O Options 32-bit PCI slots (2), floppy drive interface,
game interface, IDE interfaces (2), parallel
port, PS/2 mouse interface, serial ports (2),
VGA interface, audio in – CD-ROMs (2),
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | Audio in – | CN14 |
| | | CD-ROM | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN3 | IDE interface 2 | CN15 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | PS/2 mouse | J2 |
| interface | | interface | |
|-------------------+----------+------------------+----------|
| Video connector | CN7 | IDE interface | J9 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Parallel port | CN8 | Reset switch | J11 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN9 | Power LED & | J12 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Speaker | CN10 | Digital input | J19 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Game interface | CN11 | Digital output | J20 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Sound board | CN12 | 32-bit PCI slots | PC1 – |
| connector | | | PC2 |
|-------------------+----------+------------------+----------|
| Audio in – CD-ROM | CN13 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | CMOS memory normal operation | J1 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | J1 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J3 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J10 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J13 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 64 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 64 | None |
|------------------+--------------------+--------------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
+------------------------------------------------------------+