cpu reclocking to 500Mhz, overclocking to 533Mhz, performance tests and bootloader images

Sebastian Krzyszkowiak dos at dosowisko.net
Sat Jul 10 22:49:18 CEST 2010

On Sat, Jul 10, 2010 at 22:22, Sebastian Krzyszkowiak <dos at dosowisko.net> wrote:
> On Sat, Jul 10, 2010 at 21:36, Sebastian Krzyszkowiak <dos at dosowisko.net> wrote:
>> On Sat, Jul 10, 2010 at 21:23, Tha_Man <jeroenbreg at hotmail.com> wrote:
>>> Hi,
>>> Gennady suggested the same thing, but the 450Mhz-settings fail on kernel
>>> start (see my previous message, I haven't tried the 465 settings). These
>>> settings need a recompiled kernel according to Gennady's first message, did
>>> you recompile your kernel? If not, I'm very curious why it doesn't work for
>>> me! I'm assuming you're running QtMoko v24 as well, either from SD or NAND.
>>> Cheers,
>>> Tha_Man
>> 450/112 and 465/116 settings work for me even with 1.55V (just tested)
>> and it seems to not work for others, as they need at least 1.65V :x
>> But I can't use 533/88 nor CLK3, so it seems to be kind of deal ;) (or
>> just component tolerance :D)
>> I'm using SHR with our default 2.6.32 kernel.
> If someone wants to test:
> http://dos.openmoko.pl/overclock/qi-s3c2442-master_c38b062a609f1442-dos-465-116-1.55-1.8.udfu
> Qi with CPU clocked at 465MHz with 1.55V and memory at 115MHz with
> 1.8V (so no kernel patch needed)
> http://dos.openmoko.pl/overclock/465-116-1.55-1.8.patch
> It works for me and so far seems to be stable, but most of you will
> probably need memory voltage being bumped to 1.9V and for that you
> need to patch kernel.
> I have GTA02A5 with date code 20080621.
> U-Boots compiled by gena2x are available at http://bsdmn.com/openmoko/uboot500/

More Qi's to test at http://dos.openmoko.pl/overclock/

Sebastian Krzyszkowiak

More information about the community mailing list