after i try to upgrade the rom, but failed.
to enter bios mode
hold softkey(- - , + softreset ) fo4 5 seconds
it is ok now
hp ipaq 6828真的是一台好機, 玩左2年幾都唔死.
HP 6828 Traditional Chinese ROM Release 21. Include .NET Framework 3.52. Notification sound fix.3. Camera importing function fixed.