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me255 · (This post was last modified: 07-15-2011, 01:14 PM by me255.)

Hello all,

First of all, I hope I'm posting in the right section for this request.

I need to change the MAC address of some PC (because Asus provides 3 motherboards with the same MAC !). I extracted the BIOS and found the MAC inside it. I changed it but when I try to flash it back, AFUDOS tells me "ROM boot block is corrupted" and fail. Do you know how to recalculate the checksum so I can flash the modded BIOS ?

Thank you in advance.

**Mick** · 06-30-2011, 04:12 PM

mac addresses are usually unique and are for networking, are you sure its a mac address?

**camiloml** · 06-30-2011, 05:44 PM

It's quite strange ASUS manufactured 3 boards with the same MAC Address and all of them end up in your hands Smile

Are you sure???

me255 · 07-01-2011, 01:13 AM

Hello and thank you for the answer.

Yes, I'm absolutely 100% sure all the boards have the same MAC address.
(Doing some research on Google shows I'm not alone and it can happen).

**Mick** · 07-01-2011, 01:17 AM

(07-01-2011, 01:13 AM)me255 Wrote: Hello and thank you for the answer.

Yes, I'm absolutely 100% sure all the boards have the same MAC address.
(Doing some research on Google shows I'm not alone and it can happen).

http://www.technitium.com/tmac/index.html

why not just spoof the mac?

me255 · 07-01-2011, 05:39 AM

(07-01-2011, 01:17 AM)toshiba Wrote: why not just spoof the mac?

Because PXE and Ghostcast can't handle that Smile

**camiloml** · 07-01-2011, 06:08 AM

Why don't simply patch AFUDOS to avoid that error and continue flashing???

me255 · (This post was last modified: 07-01-2011, 10:51 AM by me255.)

(07-01-2011, 06:08 AM)camiloml Wrote: Why don't simply patch AFUDOS to avoid that error and continue flashing???

That would be a good solution Smile

Do you know the bytes to be changed ?
I'm currently trying to trace that with TurboDebugger...

EDIT: I patched AFUDOS (Asus version as AMI version is not compatible with Asus boards) but unfortunately AFUDOS do not update networking code Sad

**camiloml** · (This post was last modified: 07-01-2011, 11:32 AM by camiloml.)

And the Engineering edition??? Try it, locate in my shared folder.

Look this tutorial,

http://www.bios-mods.com/forum/Thread-AM...AFUDOS-EXE

AFUDOS has swith to change mac in boot block Wink

me255 · 07-02-2011, 07:32 AM

Hello,

(07-01-2011, 11:30 AM)camiloml Wrote: And the Engineering edition??? Try it, locate in my shared folder.

There is only one byte changed between this one and Asus-provided AFUDOS. "/M" option is not available in the so-called "Engineering edition".

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