Cannot change time in the award software bios

[FranzGsmer]

hi so i was trying to install windows memphis build 1351 but in award softwares bios to change time i cannot change the cmos bios time it just would not let me change the date or time and i do not know why pls respond quickly because i need this right now

[unreal9010]

Please provide at least some basic information about virtual machine configuration (motherboard in particularly).