EMAC, INC.
PCM-4897
| Device Type | Single Board Computer |
| Processor | CX GXm |
| Processor Speed | 200/233/266/300MHz |
| Chip Set | Cyrix |
| Video Chip Set | Cyrix |
| Audio Chip Set | Cyrix |
| Maximum Onboard Memory | 128MB (SDRAM supported) |
| Maximum Video Memory | Unidentified |
| Cache | Unidentified |
| BIOS | Award |
| Dimensions | 203mm x 146mm |
| I/O Options | ATX power connector, Audio in - CD-ROM, Audio in - voice modem, Composite video connector, External speaker connector, Flat panel connector, Floppy drive interface, Game interface, Green PC switch, IDE interface, IR connector, Line in, Line out, Microphone in, Parallel port, PISA slot, PS/2 mouse/AT keyboard port, S-Video connector, Serial ports (2), Solid-state disk socket, USB ports (2), VGA port, Wake-on-LAN connector, Wake-on-modem connector |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| IDE interface | CN1 | S-Video connector | J3 |
| Game interface | CN2 |
Reset switch | JP2 |
| Floppy drive interface | CN3 | Power switch | JP3 |
| Flat panel connector | CN4 |
Power LED | JP4 |
| Audio in - CD-ROM | CN6 | Green PC switch | JP5 |
| Audio in - voice modem | CN7 | Green PC LED | JP6 |
| VGA port | CN8 | IDE interface LED | JP7 |
| Parallel port | CN9 | CPU fan power | JP9 |
| USB port 1 | CN10 |
Unidentified | JP10 |
| USB port 2 | CN10A |
Wake-on-LAN connector | JP11 |
| Line out | CN11 | Unidentified | JP12 |
| Line in | CN12 |
Power LED & keylock | JP15 |
| Microphone in | CN13 | IR connector | JSIR1 |
| PS/2 mouse/AT keyboard port | CN14 | Wake-on-modem connector | JWOM1 |
| Serial port 1 | CN15 | PISA slot | PISA |
| Serial port 2 | CN16 | ATX power connector | PW1 |
| Flat panel power connector | J1 | Solid-state disk socket (DOC) | U4 |
| Composite video connector | J2 | ||
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
| » | Internal buzzer selected | JP1 |
Pins 1 & 2 closed |
| External speaker connector selected | JP1 |
Open |
|
» |
CMOS memory normal operation | JP13 |
Pins 1 & 2 closed |
| CMOS memory clear | JP13 |
Pins 2 & 3 closed |
|
| » | Flat panel power connector (J1) voltage select 12V | JP14 |
Pins 2 & 3 closed |
| Flat panel power connector (J1) voltage select 5V | JP14 |
Pins 1 & 2 closed |
|
| » | Flat panel connector (CN4) voltage select 3.3V | JP16 |
Pins 2 & 3 closed |
| Flat panel connector (CN4) voltage select 5V | JP16 |
Pins 1 & 2 closed |
|
| Note: JP1 pins 1 - 4 is used as an external speaker connector when jumper is removed. | |||
DIMM CONFIGURATION |
|
Size |
Bank 0 |
16MB |
(1) 2M x 64 |
32MB |
(1) 4M x 64 |
64MB |
(1) 8M x 64 |
128MB |
(1) 16M x 64 |
| Note: Board supports SDRAM memory. | |
CPU BUS SPEED SELECTION |
||
Bus Speed |
JCLK1 |
|
30MHz |
Pins 4 & 6 closed |
|
| » | 33MHz |
Pins 2 & 4 closed |
| Note: All pins should be open unless designated as closed. | ||
CPU MULTIPLIER SELECTION (200/233MHZ) |
|||
Multiplier |
JBFA1/Pins 1 & 2 |
JBFA1/Pins 3 & 4 | JBFA1/Pins 5 & 6 |
4.0x |
NA | On | On |
6.0x |
NA | On | Off |
7.0x |
NA | Off | On |
| 8.0x | NA | Off | Off |
CPU MULTIPLIER SELECTION (266/300MHZ) |
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Multiplier |
JBFA1/Pins 1 & 2 |
JBFA1/Pins 3 & 4 | JBFA1/Pins 5 & 6 | |
5.0x |
On | Off | Off | |
| » | 6.0x |
Off | On | Off |
7.0x |
Off | Off | On | |
| 8.0x | On | On | On | |
| 9.0x | On | Off | On | |
| 10.0x | On |
On | Off | |
SOLID-STATE DISK (DOC) ADDRESS SELECTION |
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Address |
JP8/Pins 1 & 2 |
JP8/Pins 3 & 4 | JP8/Pins 5 & 6 | |
CC00 |
Open |
Open | Open | |
D000 |
Open |
Open | Closed | |
| D400 | Open | Closed | Open | |
| » | D800 | Open | Closed | Closed |
| DC00 | Closed | Open | Open | |