Manual for GeniuX 4
chapter 2
15
Wake-Up On Internal Modem (WOM)
Through the Wake-Up On Internal Modem function, the system which is in power-off status
can be powered up by a ring signal received from the internal modem. If this function is to
be used, please be sure an internal modem card which supports this function is used. Then
connect this header to the relevant connector on the modem card, set “ Resume by Ring or
LAN” to Enabled from the “POWER MANAGEMENT SETUP” section of the BIOS. Save & exit,
then boot the operating system once to make sure this function takes effect.
I
2
C Bus Connector (J34, J35)
The I
2
C-bus connectors are provided to connect the system devices by using I
2
C bus.
Memory Configuration
This mainboard provides four 168 pin 3.3V un-buffered DIMM sockets to support a flexible
memory size ranging from 8MB to 2GB. Both 100MHz SDRAM and registered DIMMs are
supported. The following set of rules allow optimum configurations.
Rules for populating a 440GX memory array:
l
SDRAM and registered DIMMs can not be used on the same system, it is advised you use
only one kind of DIMM.
l
Possible SDRAM DIMM memory sizes are 8MB, 16MB, 32MB, 64MB, 128MB or 256MB
in each DIMM socket.
+5V standby
GND
Signal for waking up (active low)
WOM
GND
NC
3V
5V
SCL
SDA
5VSB
3VSB
NC
GND
1
J34, J35
