All G.Skill DDR2 1066 memory module users can now enhance the stability and the compatibility on Gigabyte motherboards by using the new BIOS as below:

Motherboard Model Latest BIOS version
Gigabyte GA-EP45-UD3L

F9 for rev. 1.0(2010/1/18)
F9 for rev. 1.1(2010/1/18)

Gigabyte GA-EP45-UD3LR

F10 for rev. 1.0 (2010/1/27)
F10 for rev 1.1 (2010/1/27)

Gigabyte GA-EP45-UD3R

F12 for rev. 1.0 (2010/1/18)
F12 for rev. 1.1 (2010/1/18)

Here is the test result after updating the latest BIOS version for GA-EP45-UD3R:

Platform 1
CPU: Intel Core 2 Duo E8200
Motherboard: Gigabyte GA-EP45-UD3R
BIOS version: F12
Memory: G.Skill F2-8500CL5D-4GBPK (DDR2 1066 5-5-5-15@2.1v)
OS: Windows 7 64bit
Test software: memtest pro 3.5

BIOS setting:

memtest burning test over 2 hours