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Post Your Intel XSCALE Overclocks!

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C

consumer9000

Former STASIS Guy
​
Joined
Oct 26, 2004
Location
Bay Area, CA
You must be a OC Junkie if you've overclocked your PDA. Well, it looks like I'm guilty and no doubt many others are as well. Why overclock your PDA you ask? Well, more FPS in games or video is always nice...and a faster system just behaves better, battery life be damned! :D

My PDA:

PDA: Dell Axim X50V (128MB StrataFlash ROM/64MB SDRAM)
CPU: Intel XScale PXA270 624Mhz @ 667Mhz
GPU: Intel 2700G with 16MB Memory
LCD: 3.7" 640x480 VGA
OS: Windows Mobile 2003SE with Windows Media 10
STORAGE: 512MB SD Card

I've tried to get it above 700Mhz but it won't maintain stability. At 667Mhz and with the enhanded GAPI driver however I manage excellent framerates in mpeg2/4 playback, Quake 1,2 and Doom! :) PDA's are just too much fun, ,especially when WiFi access is available.
 
I actually have decided against overclocking my PDA. There's a guy over at Aximsite who says he pumped his 624 up above 1000 mhz. However, he says his battery life is about half an hour! There are a couple of threads in this forum where PerlAddict talks about overclocking the PDA that I sold him--iPaq 4355 from 400 mhz to well beyond 500.
 
OC's in my sig. :D It'd be nice to have one of the PXA270 processors. I was reading statements from Intel about the speeds achieved by the chips at various power consumption ratings, with these cores easily breaking the 1Ghz mark.

Sad thing is, my PDA overclock is only 6% less than my main rig overclock's speed increase percentage. And that took months of fiddling with. This took pressing a couple of buttons. :D

Most of the time the PDA is actually underclocked, however, saving battery life. But when the processor gets above 65% load, it bumps up to 530Mhz, which makes watching videos a lot easier in fullscreen mode with Betaplayer. WAY less dropped frames. =D Shoot me an IM if you'd like some info on XCPUScalar, cursor. It's a nice program if you don't want to overclock at all, as you can tell it to set the speed at normal and high load ranges to stay at stock, but have it underclock itself for light load tasks to make the battery last longer (like reading an eBook).

Oh, and cursor ... guess what I couldn't resist buying this week? A barely used H2215. :D It was going on eBay for $162 with only 3 bids and 4 minutes left when I ran across it. Some bid it up to $172 with 45 seconds left, and I sniped it with a max bid of $190 with 5 seconds left. Won it for $177.50 plus $10 shipping (seller listed shipping as $15, but I convinced them to use USPS Flat Rate Priority Mail. :D). No built-in 802.11, but I haven't found myself using mine much anyway ... no free hotspots around here. Thinking of getting her that CF2031 Sprint CF card that connects to their network for wireless internet anywhere. :thup:

I'm ridiculously addicted now. lol. Going to give this one to the girlfriend. I've barely had time to play with mine, because I've been loading every piece of software I can find on it. It's freakin' awesome. =D

Speeds are one thing ... how about some benches? Let's see some benches posted with SPB Benchmark (free) and Pocket PC Mark (free trial), both at stock settings and your max stable OC settings, as well as underclocked to 200Mhz. I'll post mine when I get home tonight.

Be sure to run a backup before benching your system, just in case.
 
Last edited:
Here are my results with the SPB Benchmark:

benchmark-results

platform-name Dell Axim X50
device-name Cursor's Axim x50v
start-date 03.07.2005

main-tests
fs-largefilewrite 2363.600000
fs-largefileread 409.100000
fs-largefilecopy 709.200000
fs-manyfileswrite 8068.400000
fs-manyfilesread 632.800000
fs-manyfilescopy 3373.700000
fs-dirlisting 130.300000
fs-db 522.900000
grf-ddb 3.830000
grf-dib 44.060000
grf-gapi 16.350000
builtin-pw 7648.200000
builtin-pie-html 1983.100000
builtin-pie-jpeg 1120.100000
builtin-fe 3525.500000
misc-zip 10580.100000
misc-jpeg 353.000000
misc-arkaball 18.658500
misc-mflops 3214.600000
misc-mops 751.000000
misc-mwips 6584.100000
misc-memcpy 9.586000
Click to expand...
 
Too much to list as far as details from these tests, but here are my bencmarks with Pocket PC Mark 1.03 @ 530Mhz:

Drystone: 190.517 MIPS
Whetstone: 7.27 MWIPS

Memory Benchmark (Bandwidth): 1023.14 points

Memory Benchmark (Latency): 109.02 points

Not exactly standard units for measurement (do I know what 'points' represent? No ... the details offer a lot more information, but there are a LOT of details listed, and I don't feel like posting that much mess), but download the program and contrast and compare if you like.

Haven't run SPB Benchmark yet because it says it will take 30 minutes, and I don't have 30 minutes to spare at the moment.
 
iPaq rx3115

Just bought an iPaq rx3115 with my last paycheck. I plan to use it as an mp3 player on steroids, mostly at school. Poped in XCPUScalar and took it from a stock 300mhz to 500mhz in the sliding of a bar. Still need to bench it, the Pocket PC Mark has a trial version but it doesnt do anything unless you register. :-/

Ill get back to ya with the results. I haven't even had the thing for 2 weeks :cool:
 
I have the XScale 400 MHz. I tried overclocking it but anything over the 400MHz is unstable. :(

Sounds like the newer XScale's overclock better...
 
moz_21 said:
I have the XScale 400 MHz. I tried overclocking it but anything over the 400MHz is unstable. :(

Sounds like the newer XScale's overclock better...
Click to expand...

I had a Toshiba e740 with a first revision XScale 400 Mhz chip. Overclocking that chip wasn't stable, unless you consider christmas tree like flashing of all status lights normal... (Everything else was perfectly fine, but that little tidbit scared the HECK out of me).

My Axim X30 High is plenty fast for me... besides, this sucker gets hot WITHOUT being overclocked... I don't want to frikizee my new toy!

You can buy older handhelds (to dump linux on, to save money, and alike), and if you can overclock it, it could be worth it... I haven't really got around to doing anything like that yet though...
 
i guess only the newer xscale cpu's can oc... i got a 300mhz pxa250 in my e335, tried ocing once, end result was having to do a hard reset. needless to say i'm trying it again anytime soon.
 
My iPAQ H3955 (PXA250 @ 400mhz default) is OC'd to 472mhz but will do 498. 472 just happens to be faster due to a higher bus speed. I've been trying to break 500, but it just won't do it... Maybe I need more voltage ;)

I also OC'd my friends AXIM w/ PXA255 from 400mhz to 664mhz stable.
 
Cyrix_2k said:
My iPAQ H3955 (PXA250 @ 400mhz default) is OC'd to 472mhz but will do 498. 472 just happens to be faster due to a higher bus speed. I've been trying to break 500, but it just won't do it... Maybe I need more voltage ;)

I also OC'd my friends AXIM w/ PXA255 from 400mhz to 664mhz stable.
Click to expand...

Are you using Pocket Hack Master to do the overclocks? Just curious, as you mentioned bus speed differences, and I think XCPUScalar only OC's via the bus, which lends itself to always having the fastest bus speed at a certain overclock, but also limits how much you can tweak it.
 
xv6600

Audiovox 6600 PPC
PXA263 stock 400mhz
Overclock w/ PHM
531cpu 133ram 133pxbus stable
597cpu 100ram 100pxbus stable
531cpu 133ram 265pxbus almost stable except when I play pocket quake full screen for 20+ min, eats battery, has hard reset 1 times on this setting but performance is sweet. Don't use this setting because 250% on the pxbus seems extreem but had to test it. Sprite Backup!!

I am getting the xv6700 in tomorrow and will post OC results with it. Comes with a PXA270@416MHz.

Looking for a program to port AGPS to NMEA. I have herd rumors of a Virtual Serial Porting program to allow access to the AGPS but don't know enough about it. Ran across this with a google search earlier.
http://www.downloadery.com/software/vspd-mobile-phone-edition-138.htm
 
iPAQ h3970 and h2210 with iXscale 400Mhz both @500Mhz
During the summer when mounted on the windshield using TomTom navigator it would lock-up occasionally due to the heat, other than that it's just fine.
 
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