Going from JJ OS 4.99 to JJ OS 3.12, how to ?

Hi,

I just bought an mpc 1000 second hand, it has JJ OS 4.99 installed, but I don't have a password for it.

What I want to do is start using the JJ OS 3.12

I read the faq and there were two methods that are talked about there. Method 1: just run JJ OS 3.12 from the memory card / normal instalation Method 2: installing an akai os and then install the JJ OS 3.12.

I think method 1 is the way to go here, but I'm not entirely sure. So please let me know which method I should use in this case.

Thanks !

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(the faq info)
METHOD 1

"Q: How Do I install any of the JJ-OSs?
A:There are 2 ways of doing it:

A) You're switching over from an AKAI OS to any JJ-OS or
B) You're Updating from previous JJ-OS builds.

In Case A, the OS has got to be installed from the CF Card, because the AKAI OS cannot open .bin and .os2 files! Put the CF card with the OS file in the MPC. Turn it off. Next, hold down the [WINDOW] button and switch the unit back on... follow the instructions on screen to install the new OS. After JJ-OS is installed, you can open .bin or .os2 files from the Load Browser. The CF Card is not needed for later updating.

In Case B, just put the OS-File on the HD or CF Card and execute it from the Load screen. After the installation is done, Restart your MPC and you're good to go."


METHOD 2
Q: How can I uninstall JJ OS 2?
"A: "How to" not confirmed working yet. But basically, you've to install the AKAI OS again, then a JJ-OS 1 version. But the JJ-OS switcher screen remains, from what is known so far... update following. "

method 1 should work ok

just put the jjos 3.12 file on your CF card and load it

allright thanks.
worked perfectly...