Hi Roger, I take that back. You've got the registers set right. Well, there are other places where the bits can be disabled, but I wonder if the DSDT of your ACPI polls the alarms on the w83627ehf to monitor it. It wouldn't surprise me. David On 4/23/06, David Hubbard <david.c.hubbard at gmail.com> wrote: > Hi Roger, > > On 4/23/06, Roger Lucas <roger at planbit.co.uk> wrote: > > Well, I think I made the correct changes. > > > > CONFIG (addr 0x40) = 0x01 > > OVT (addr 0x18) = 0x43 > > I think you need to set CONFIG to 0x00. > > > > > ... but it doesn't change the behaviour. > > > > I've posted a similar message to the ACPI mailing list to see if they can > > shed any light on it... > > > > Thanks anyhow, it was definitely worth trying. > > > > - Roger > > There are other bits worth trying too, but maybe you just want to grab > the datasheet and look around? > > Anyway, good luck! > David >