CONCORD OFFICE AUTOMATION INDUSTRIAL (HK), LTD.
COA-G20M
Device Type | Mainboard |
Processor | CX GX |
Processor Speed | 166/180/200/233MHz |
Chip Set | Cyrix |
Video Chip Set | Unidentified |
Maximum Onboard Memory | 128MB |
Maximum Video Memory | Unidentified |
Cache | None |
BIOS | Award |
Dimensions | 220mm x 170mm |
I/O Options | 32-bit PCI slots (2), floppy drive interface, game interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VGA interface, USB connector, audio in – CD-ROMs (2) |
NPU Options | None |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Floppy drive interface | CN1 | Serial port 1 | P1 |
IDE interface 2 | CN2 | Serial port 2 | P2 |
IDE interface 1 | CN3 | Parallel port | P3 |
Reset switch | J1 | Game interface | P4 |
Power LED & keylock | J2 | PS/2 mouse interface | P5 |
IDE interface LED | J3 | VGA interface | P6 |
Chassis fan power | J4 | USB connector | P7 |
CPU fan power | J5 | VGA interface | P8 |
Green PC connector | J6 | Audio connector | P10 |
Audio in – CD-ROM | J7 | 32-bit PCI slots | PC1 – PC2 |
Note: The location of P4 - P10 is unidentified. | |||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Factory configured - do not alter | JP1 | Unidentified |
» | Factory configured - do not alter | JP2 | Unidentified |
» | CMOS memory normal operation | JP3 | Pins 1 & 2 closed |
CMOS memory clear | JP3 | Pins 2 & 3 closed | |
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 |