Hi! > > I don't have much time to spend on this right now but you should start > > by comparing the datasheets of the W83627DHG and the W83627DHG-P > > looking for differences. > > I got the datasheets, (-P version is novuton, the other one is > winbond), and there are pretty similar. > > The hardware monitoring chapter is pretty similar. Section 5 (PECI) is > completely rewritten. Section 6.3 has some differences, it looks -P > has new smart fan III+ feature. Section 6.3.4 (smart fan III+) is > new. There are differences in 7.1.3.1. section, but that is some SMI > interrupt stuff, not interesting for us. > > Chapter 8/9 (hardware monitor register set) has completely different > graphics... but seems to describe same hardware. Hmm, it has even the > same value (5CA3) in the identification register. Sections .70-.84 seems to > describe new registers for smart fan III+ mode and more. And there are > more new registers near section .98 and .119. > > But it seems hardware should be backwards-compatible... Ok, it seems it is. But by default it starts in (non-compatible) smart fan III+ mode. I can do port(0x15e) &= ~0x20 to kick it back into compatible mode, and I can then control CPU fan speed in 800..1700 RPM range as expected; but my goal was to stop the fan to make the machine quiet... No success with that so far. Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
