>On the topic, > Does anyone know if the new Phenom (Quad core AMD brand) chips will >have the same power stepping issues as the X2 AMD chips do? Are any of >the newer AMD X2 chip revisions going to fix this issue?
The 0x10 chips (aka Quad Core/Phenom) will have a CPU frequency independent TSC register. > There is an issue with the AMDs TSC register that won't be fixed in the >current generation of chips. So, the general suggestion was to stay >away from purchasing the current AMD X2 procesors since they will >probably never support power management. The Intels are the ones that >are getting the attention with regards to power management, since, if I >understand the issue correctly, they do not have the problem. If the >newer AMD X2 chips fix this, the story may change. See Casper's >response attached. Build 80 adds support for powernow on the 10h (0x10) family of AMD CPUs: 6575192 Solaris should support PowerNow! on AMD Family 10h processors Files: update: usr/src/uts/common/io/cpudrv.c update: usr/src/uts/common/sys/cpudrv.h update: usr/src/uts/i86pc/Makefile.files update: usr/src/uts/i86pc/io/cpudrv_plat.c update: usr/src/uts/i86pc/sys/cpu_acpi.h create: usr/src/uts/i86pc/io/pwrnow.c create: usr/src/uts/i86pc/sys/pwrnow.h _______________________________________________ opensolaris-discuss mailing list [email protected]
