???

Hello everyone,

I have had a problem with my NX80 before, which I don't know if it's caused by Jackflash or not. At that time, the display was messed uo and no one could fix it. So the unit was sent to SONY.

Now I want to experiment with Jackflash again and I just read some posts saying that there is no risk in using Jackflash. I just want to confirm if this is true or not. Can anyone help
Will Jackfiash modify the built in stuff? Will the Flash ROM get damaged by Jackflash

Thanks in advance

wellsjs

On your NX80 (OS5) you cannot use JackSprat. That's the dangerous subapp of JackFlash as it's the one that removes "built in stuff!" So you can only "FlashEnable" your device and store more stuff in flash. I've not heard of anything loaded into Flash ROM permanently damaging it, although you should read up on what works and what doesn't. Search "JackFlash" here at ClieSource for a thread with numerous lists of the Good, the Bad, and the Ugly as far as apps' behavior in flash.

Basically, don't load anything in there that changes on the fly, because flash memory will not allow changes to files. That includes MOST databases, although I "forced" Mapopolis maps into mine because they don't change. You have to go into "Preferences" and check "Show items that cannot be moved into flash" in order to use the "force" feature. Another db that I put in flash is my Agendus icons (after I tweaked the daylights out of my file! ). If I want to edit icons I have to move it out of flash, edit, and then move it back in, but my icons db is 580K, so definately worth storing in flash!

Hope this helps!

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???

Thanks wellsjs!

I have already started to move things into the ROM. So far I have moved zlauncher, agendus, some dictionary files into the ROM, and I have 12MB free RAM! Jackflash is great

dstabb

Sony told me they have a policy of refusing to fix any Clie that had JackFlash on it. They have some feud with Brayder. I've got a wireless slot problem on my NZ-90, and the not only refuse to honor the warranty, they won't fix it for pay.

I think Sony is totally wrong with this, but I don't know how to proceed.

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???

SONY fixed my CF slot problem for free even though I had used Jackflash before

Do you mean that there should not be anything additional in the ROM when sending to SONY?

BMEngineer

???, by using JackFlash you are actually moving your file into the RAM that are "locked " by Sony, not ROM. Remember Sony claim that NX has a ram of 32MB but only 16MB usable? JF opens up the additional 16MB of RAM

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Spikesdacoolest

If you didn't make too big of a fuss...I'd just delete the stuff in flashrom(or move it somewhere if you have enough room) then delete Jackflash...have it fixed...then reinstall jackflash...then move the apps back into flashrom

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???

I am a bit confused. Is the flashROM a kind of RAM??

???

Cliesource logged me out

mattyparanoid

First answer to the first question,

??? - Proceed with caution using any Jack product from Brayder. The short answer is that although their products can be very useful, they can render your device unusable. There is a significant risk to using JackFlash.

Secondly,

dstabb - You unfortunately violated your warranty by modifying the ROM, thus they can tell you that you are not covered. Flipside of this is that you could have just restored the machine to factory if possible, not told Sony, and had them repair the machine.

Thirdly,

BMEngineer - Your answer is almost completely innaccurate. JackFlash allows the ROM of your device to be used to store programs. Normally it is locked. The RAM issue you refer to is that the device comes with 32Meg, however Sony decided to use a portion of it for what is referred to as the OS Heap. The ROM is totally seperate from the RAM for the purposes of this discussion. JackFlash does not free up any RAM on a PalmOS device, only ROM.

There is a great deal of info here at the Cliesource and on PalmOneCity as well. A brief search of the forums will yield a significant amount of posts both praising and deriding thier experience with JackFlash and JackSprat.

Good Luck.

matty

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opsguy11

mattyparanoid,

I am dissapointed to hear that the 32mb RAM is not all available on the NX80V as I am planning to purchase one at the end of the month.

How much of the RAM is actually available to use?

In your opinion, is there any way to make more of RAM available?

I have used Jackflash on my N760C to move apps to ROM without any problems, but I have no experience with the NX80V.

What is your opinion?

Thanks

opsguy

OcellNuri

You get a full 16megs of RAM with the NX80, and then you still get a whopping 16meg OSheap. It's a very nice setup. I spent a year with the NX70, which had 11meg storage RAM and 5meg heap. So with the NX80 you get more RAM, and more heap. The larger heap makes things like Netfront run much better.

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BMEngineer

Okay I'm wrong this time.

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