Asus P7P55D Deluxe Review

[Chrysalis]

Insert the CD that came with the motherboard, It is ASUS crash free bios recovery program prompting you to recover the bios, take a look in your handbook that came with the motherboard and it will tell you how to do this, I think it is under section 3.2.3 of the handbook, once you have done this and followed the guide you will then be able to re-flash to any of the bios's you have.

I know old thread but I am trying to downgrade my p7p55d-e.

the cd does not start the crash free bios recover, it instead boots to a makedisk dos prompt for making driver disks.

the cd does include bios rom files but doesnt load the crash free recovery, I am considering deliberatly corrupting my bios now to get the crash free recovery to load.

--edit--

Ok I have done a test and this post I quoted seems to have blatantly copied either manual (misunderstood) or another site as I see other sites where the same advice is given word for word (copy and paste) so this mistruth has spread and is wrong.

Basically the manual states "IN THE EVENT" of a corrupt bios then inserting the cdrom when powering on will initiate bios recovery (this is because the crash recovery will search for it on a cdrom and the rom is on the root of the cd).

I have just tested this by reflashing 1601, I powered off my pc whilst it was writing (crazy yes I know) then on power up I had the asus flash recovery. It will first check the cdrom, or if no cd inserted it then checks the usb drive it first finds.

Now the bad news.

When I put on the 1002 bios or the bios of the cdrom, it said "image is outdated". so the flash recovery app has the same block in place as ezflash and bupdater. So presumably when updating the bios the cash recovery gets an update also to block lower bios versions. I can only assume is some kind of security issue in the lower bios versions because asus have gone to quite some effort to block downgrading. I am trying to fix a usb3 issue hence me trying to downgrade.

Asus tech support have yet to reply to me for over a week since I raised a ticket.

The only idea I have left is that its apparently possible to downgrade by hexediting the ezflash module on the bios rom file. so eg. editing 1002 to 1601. A guy was doing this for people on the asus vip forums, however when asked he refused to say how he was doing it, instead just supplying modded rom files to people to allow them to downgrade. Those posts are 3 years ago and now he is nowhere to be found with the knowledge of how to do it lost. So it seems I am left with a motherboard where the usb3 doesnt work (usb3 ports route to usb2 controller) either due to a bios bug or hw fault. I cant check the former due to bios downgrade lockout.