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Poll: Do you think its possible to overclock the N900?!
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Do you think its possible to overclock the N900?!

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UNderworld is offline UNderworld
2010-04-04 , 13:38
Posts: 362 | Thanked: 113 times | Joined on Feb 2010
#561
Originally Posted by UNderworld View Post
could someone explain the DSP??
is 930mhz 500dsp mean 30mhz more than 900mhz? or is it a different story??

what dsp is the 900mhz and the 800mhz ones at? and whats the difference?
thanks
anyone????
 
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titi974 is offline titi974
2010-04-04 , 13:40
Posts: 345 | Thanked: 72 times | Joined on Dec 2009 @ Reunion Island
#562
yeap, i'd like to know for the dsp... would maybe be useful for psx4all !
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F2thaK is offline F2thaK
2010-04-04 , 13:42
Posts: 4,365 | Thanked: 2,467 times | Joined on Jan 2010 @ Australia Mate
#563
both work great i know that much
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titan is offline titan
2010-04-04 , 13:43
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#564
Originally Posted by Matan View Post
As it stands, it seems that the clock handling code only supports one frequency per OPP. Instead of fixing it I hacked around this limitation. This patch has a range of nine frequencies, from 125 to 600, but at boot scaling_max_freq is at 600000.
http://my.arava.co.il/~matan/770/n900/freqs.diff
looks similar to my patch
http://maemory.com/N900/overclock/overclock.diff
I guess I should also change set the second occurence of max_freq in cpu-omap.c
 

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mod1fied is offline mod1fied
2010-04-04 , 13:47
Posts: 7 | Thanked: 0 times | Joined on Feb 2010
#565
iplayer used to work okish fullscreen @ 600mhz. Now mine is clocked at 800mhz everything else is alot faster but iplayer is unwatchable.

Any ideas?
 
Matan is offline Matan
2010-04-04 , 13:48
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#566
Your patch is problematic, since the OPPs are not only indexes, they have a physical meaning. See my changes in smartreflex.c for more details.
Also, the same indexes (selected by the mpu table) are used to access the mpu and the dsp tables, so they must be the same size (or use some other hack, as I did in the file resource34xx.c).
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hqh is offline hqh
2010-04-04 , 13:52
Posts: 388 | Thanked: 842 times | Joined on Sep 2009 @ Finland
#567
Originally Posted by titi974 View Post
yeap, i'd like to know for the dsp... would maybe be useful for psx4all !
The dsp runs at 430 MHz by default.
No, it does not affect emulators. It's utilized by some audio and video codecs and telephone stuff.
 
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F2thaK is offline F2thaK
2010-04-04 , 13:53
Posts: 4,365 | Thanked: 2,467 times | Joined on Jan 2010 @ Australia Mate
#568
Overclocked @ 125 - 930mhz , 500mhz DSP improves VGBA gameplay a LOT
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titi974 is offline titi974
2010-04-04 , 13:58
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#569
Originally Posted by f2thak View Post
Overclocked @ 125 - 930mhz , 500mhz DSP improves VGBA gameplay a LOT
how did you oc the dsp ?? and does it improve psx gameplay ???
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baron von bubba is offline baron von bubba
2010-04-04 , 14:01
Posts: 255 | Thanked: 109 times | Joined on Dec 2009
#570
http://talk.maemo.org/showpost.php?p...&postcount=309
 
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