Ultra 440BX ATX Mainboard
INSTALLATION
3-3
2.
Minimum one DIMM module must be installed on the mainboard.
3.
You can use single side or double side DIMM module on this mainboard.
4.
Always install DIMM module starting from DIMM 1 socket first, and then
DIMM 2 and DIMM 3.
5.
Either PC-100 or PC-66 DIMM module can be used on this mainboard.
6.
Maximum memory size: 384MB
If the CPU which you are installing onto the mainboard
will run at the 100MHz FSB clock speed, PC-100 DIMM
module is recommended. If you use the PC-66 DIMM
module with the 100MHz CPU, you may find that the PC
system become not stable.
The 440BX chipset supports the ECC feature and it can be used to check the
memory sub-system and make sure there is no error during memory read and
memory write. Before you can enable the ECC feature in the BIOS setup program,
please check the memory module and make sure there is the parity bit. ( you have to
check there is the parity bit on the DIMM module if you want to enable the ECC
feature in the BIOS).
3.3
CONNECTORS
The connectors on the mainboard are either the pin header type or D-type
connectors, they are used to connect the accessories or peripheral devices (such as
power, mouse, printer,...etc.). Followings are the connectors with its description
and the pin assignment which is designed on the mainboard.
(A) BAT1: Battery Socket
(Use the 3 Volts Lithium battery : CR2032)
DIMM3
BIOS
DIMM2
DIMM1
+
BAT1: Battery Socket
Pin#
Pin name
Pin#
Pin name
+
Battery Positive
-
Ground
