Date: Mon, 28 Jul 2014 10:01:14 -0700 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Alexey Dokuchaev <danfe@nsu.ru>, Justin Hibbits <chmeeedalf@gmail.com> Cc: powerpc@freebsd.org Subject: Re: Manual fan control on iBook G4? Message-ID: <53D681DA.7040104@freebsd.org> In-Reply-To: <20140728161622.GA51464@regency.nsu.ru> References: <20140728153559.GA41604@regency.nsu.ru> <20140728090245.13062177@zhabar.att.net> <20140728161622.GA51464@regency.nsu.ru>
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On 07/28/14 09:16, Alexey Dokuchaev wrote: > On Mon, Jul 28, 2014 at 09:02:45AM -0700, Justin Hibbits wrote: >> If you do 'ofwdump -ap', it'll list everything from Open Firmware, >> including the fan data (likely i2c-based, look for adm* or adt*). > Right, thanks for the hint! Some interesting data: > > 1) It is indeed PowerBook6,5 model > 2) Fan data (it was adt*): > > Node 0xff963c08: fan > name: > 66 61 6e 00 > 'fan' > device_type: > 61 64 74 37 34 36 37 00 > 'adt7467' > compatible: > 61 64 74 37 34 36 37 00 > 'adt7467' > ... > Node 0xff964910: fan1 > name: > 66 61 6e 31 00 > 'fan1' > reg: > 00 00 00 28 > sensor-id: > 00 00 00 20 > version: > 00 00 00 02 > ... > >> It's possible the CPU is starting in the reduced clock speed, so you >> can check `dev.cpu' syctl to see what levels are supported. > Again, seems you're correct: > > dev.cpu.0.%desc: Open Firmware CPU > dev.cpu.0.%driver: cpu > dev.cpu.0.%pnpinfo: name=PowerPC,G4 > dev.cpu.0.%parent: cpulist0 > dev.cpu.0.freq: 533 > dev.cpu.0.freq_levels: 1066/-1 533/-1 To be very explicit on this last point, doing sysctl dev.cpu.0.freq=1066 (or enabling powerd) will give you your full 1 GHz. -Nathan
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