ASUS a7m266d ユーザーズマニュアル

4. BIOS SETUP

If your system crashes or hangs due to improper frequency settings, power
OFF your system and restart. The system will start up in safe mode running
at a bus speed of 100MHz. You will then be led to BIOS setup to adjust the
configurations.

 JumperFree Mode

NOTE: To achieve more stable performance and precise frequencies,
JumperFree Mode should not be selected with this version of the
A7M266-D.