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Re: [Libreboot] T400 (gm45?) RTC fix

From: Daniel Tarrero
Subject: Re: [Libreboot] T400 (gm45?) RTC fix
Date: Thu, 21 Jan 2016 15:09:22 +0100

Maybe that's another fix for this previous problem?

El mar, 19-01-2016 a las 21:00 +0100, Bella Riosa escribió:
> Issue: Kernels newer than 4.2 couldn't read the hw-clock and set the date to 
> 1.1.1970
> On Kernels up to 4.2 this kernel message appears (but the hw-clock works):
> WARNING: Persistent clock returned invalid value!
> Check your CMOS/BIOS settings.
> Fix:
> 1. Apply 
> 2. flash and reboot
> 3. use nvramtool and a hex-editor to patch the cmos century-byte (byte# 0x32)
> it must be 0x20 (yes hex, it's BCD)
> 4. reboot again. it should work now

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