BAD Flash recovery solution for the C90S

Discussion in 'Asus' started by RGS, Aug 28, 2007.

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  1. RGS

    RGS Notebook Consultant

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    Hello guys, these last 3 days have been really bad for me. I had a badflash bios and my C90S became a paperweight as we use to say in the past. No reboot, black screen, seems completly death except that it has some light activity from time to time. Therefore, I sent a tech requirement to ASUS. the problem was that ASUS answer those tech inquirements from Monday to Friday and after 48 hrs. So besides that I asked some people around the forum for help plus some other forums and even AMI. No one could help me. So I got with my wife and her friends who are electric engineer and proceed to COMPLETLY OPEN the notebook to check the BIOS chip waiting from ASUS inevitable reply of saying: SORRY, your chip is death so you need to replace it. Well, we checked everything on the C90S motherboard and we found that the BIOS CHIP was the famous mistery chip ALEX mentioned on his first review. The etiquete showed the first BIOS the machine had on it C90S0205 and it was solder to the board. It seems ASUS have been working since February with the BIOS for the C90S. Anyway, my friends new what to be done but they said, lets wait for ASUS reply because modern boards usually have a backup. I say OK. Tonight I received the news from ASUS support (who is always kind eonugh to reply in my own language, spanish) They gave me the solution I was hoping for so to dispear anyone to the ansiaty I had just in case you get under the same situation, here is why you need to do:

    1.- You need a floppy USB or USB pen drive & another Computer
    2.- you dont need a bootable the diskettte or usb pen (just need to have a valid dos media)
    3.- Get the bios you want to recover such as C90S0601.ROM and renamed
    C90S.BIN
    4.- Copy the .BIN file into your disckette or usb pen drive
    5.- Plug in the device into you notebook
    6.- Turn On your C90S
    7.- Press Alt-F2
    8.- Wait, the light on your usb device will turn On and Off until it gets On all time.
    9.- Press the power button again to turn it Off
    10.- Turn On again you C90S and you will have your machine working again

    I spare you the history about the bad flash (a sad one though) but let me tell you ASUS support no just came through as before but gain even more points. BTW, My C90S is reading 667 for my ram memory as it should, no battery issue, but still turbo gear issue but to tell you the true I dont care for now. I need to get some work done and Im really glad that my working machine is back on his feet again

    best regards,

    RG

    PS: later I will show you the pictures of the C90S guts out :D
     
  2. The Forerunner

    The Forerunner Notebook Virtuoso

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    Reading as 667 with the 601 bios?
     
  3. RGS

    RGS Notebook Consultant

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    well, it just did it the first time I reboot it. For some reason, it went back to 533 this 2nd time.

    On another note, I got another reply from ASUS tech support:

    1.- Turbogear is for VISTA only
    2.- Gpu temperature shouldnt go over 100 oC (GPU can stand temperature up to 100 oC)
    3.- Definitly BIOS ver. 601 is just a revision so there are not real changes
     
  4. The Forerunner

    The Forerunner Notebook Virtuoso

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    Ah well seems mostly everything worked out for you. Getting my replacement c90 tomorrow, excited to play bioshock, moh, and wic demos.
     
  5. RGS

    RGS Notebook Consultant

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    good for you man, just check those gpu temperaturatures which they should not go up to 100 oC while gaming in standard mode. Im also glad that my turbo gear crashes on game mode didnt have anything to do with my system but just the fact Im running XP :D

    best regards,

    RG
     
  6. E.B.E.

    E.B.E. NBR Procrastinator

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    Good thing the boot-from-USB section of the BIOS wasn't damaged otherwise this solution wouldn't have worked. :)
     
  7. RGS

    RGS Notebook Consultant

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    Hello, the boot system of the bios was damaged and that is why it didnt reboot and I didnt have any screen (black screen) therefore you could not even enter the CMOS setup. In the old days, for Desktop, we use to insert an addtional video card on the ISA port to look for the backup recovery instructions because it didnt run your main video card. Today BIOS have a recovery system, sometimes is in the boot block or sometimes it has an embedded backup BIOS as it is the case for some new gigabyte boards. Some of them even have a Quad Backup BIOS system. When I talk to American Megatrend they told me to use AMIBOOT.ROM file renaming the C90S0601.ROM file without any booting disckette or USB (just need to have a valid DOS media) but they also told that usually manufacturer changed their recovery system as ASUS did. The worst case escenary would be if your chip got fry, in that case indeed you have to change the chip (soldered chips are really painful)
     
  8. E.B.E.

    E.B.E. NBR Procrastinator

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    sorry, didn't read the 1st post carefully enough.

    Good to know there are backup BIOS rewrite solutions for those of us who kill our BIOS-es. Might have helped people with the bad V1J BIOS update for the V1Jp, in the past... (supposing all the newer motherboards have this feature)
     
  9. crxluv2

    crxluv2 Notebook Guru

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    Good to hear you're back up and running RGS.
     
  10. RGS

    RGS Notebook Consultant

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    Is the V1jp that old? Crash Bios Recovery have been implemented since 2005 by the major brands such AMI, Awards, etc. They only differ by the PC/Notebook maker because they adjust that by their own requirements plus some mobo makers add an extra chip for recovery. ANyway, BAD Flash could happen to anyone so this was the main reason I made this thread (at least for the C90S)
     
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