Nokia-N900:~# kernel-config show
current kernel configuration:
current frequency: 1000
supported frequencies: 125 250 500 550 600 700 750 805 850 900 950 1000 1100 1150
min. frequency: 1000
max. frequency: 1000
avoid frequencies: 125 250 500 550 600 700 750 805 850 950 1000 1100 1150
active frequencies: 0:20,90 900:56,500
SmartReflex VDD1=0, VDD2=0
governor ondemand: ignore nice load= 1, up threshold= 75, sampling rate= 150000, powersave bias= 0

Can't find 1000:XX