Palm’s Treo devices have obtained universal loathing among speed freaks as damn hard to overclock(aka it is impossible to speed them up without loosing some kind of functionality). ClieVideo’s latest release of LightSpeed(version 3.0) promises unlimited Treo support – can it stack up?

LightSpeed usually takes about 5secs to start up – it then displays a list of all applications in RAM:
0a Overclocking a Treo 680   LightSpeed 3.0

Unlike most other overclocking tools, LightSpeed does not support the definition of a ‘system-wide’ frequency. Instead, you must select all applications and tap the change button in order to set the CPU frequency:
1a Overclocking a Treo 680   LightSpeed 3.0 1b Overclocking a Treo 680   LightSpeed 3.0

The frequency setup itself happens in two stages -bus frequency and multiplier can be set up independently. The program automatically takes care that the processor’s frequency isn’t overclocked beyond 624MhZ:
2a Overclocking a Treo 680   LightSpeed 3.0

Newly-installed programs always ‘default’ to the standard frequency:
3a Overclocking a Treo 680   LightSpeed 3.0

The evaluation version of LightSpeed randomly pops up annoying nag screens when changing from application to application:
4a Overclocking a Treo 680   LightSpeed 3.0

Last but not least, the program also displays a bit of info about the installed CPU…

So far so good – here are a few performance snapshots made with Speedy:

260×1.0 STABLE
Calc Test 0.66 sec
Mem Test 0.14 sec
Graph Test 0.37 sec
Total 1.17 sec ~256 MHz
1282 % / Palm Vx

156×4=624m; NOT STABLE
Calc Test 0.26 sec
Mem Test 0.21 sec
Graph Test 0.21 sec
Total 0.68 sec ~441 MHz
2206 % / Palm Vx

208×3.0 = 624, highest possible FSB, STABLE
Detail [now]

Calc Test 0.27 sec
Mem Test 0.16 sec
Graph Test 0.19 sec
Total 0.62 sec ~484 MHz
2419 % / Palm Vx

My Treo 680 has survived quite a few PalmPI stress tests at 624MhZ – the secret seems to lay in staying away from multipliers beyond 3.0.

Leaving all handling oddities aside, LightSpeed 3.0 does an excellent job at speeding up your Treo. My 680 has seen a 50% increase in performance without any other features being affected – if you feel like playing around with your Treo’s clock frequency, get this by all means!

Related posts:

  1. LightSpeed 3.1 released
  2. Lightspeed 2.0 – Review
  3. PocketTunes Deluxe review
  4. Fossil Abacus WristPDA Review part 2 – WristPDA benchmarks
  5. The Aceeca Meazura review – system hardware

5 Responses to “Overclocking a Treo 680 – LightSpeed 3.0”

  1. Keep an eye on your battery. Increasing the clock speed does not come for free…

  2. Wohoo, thanks Tam!! I loaded Lightspeed on my 680 and FINALLY I can play games with LJP at full speed!! :D And videos in Kinoma plays much smoother! I will use this with Tom Tom navigator aswell, I think it should reduce the route calculation time which is a bit slow.

    My 680 feels like a brand new phone now, thanks!

  3. I’ve been using pxa clocker lite (no nag msgs, just have to turn on after reset, but theres ways around that ;) ) for 2 years now and its has worked very well

  4. sorry on the six fifty I have it not more than 507 mhz. More than this is unstable.

    Benchmark gives me 835%
    Pocket Mark gives me 2907
    PalmPi gives me 2.34s
    Speedy gives me 423 Mhz

    One time I was using Pockettunes streaming radio, verichat on the background, versamail checking mail and me surfing with blazer. I felt the back of the treo 650 a bit hotter then normal, minutes later it crashed and reseted. No prob with the treo it just got unsable, maybe a processor protection. I now using 507 mhz in specific apps not on the whole system.

  5. Hi,
    thank you so much for the info!

    On my Treo 680, 624MhZ has been stable most of the time so far…

    Best regards
    Tam Hanna

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