I was modifying bios using CBROM207.exe to add an image at the beginning



after that, when initiating motherboard is listened to a high and low tone consecutive of the loudspeakers and I do not see activity in the floppy disk

this motherboard is one asus k7v, has award bios I believe that of version 6., I have another one motherboard, one shuttle AK31a and I want to use uniflash to repair the bios of asus.
it would be thankful if somebody explained the procedure to me, if there are other alternatives, you will say.
I have known that exist external devices Flash ROM programming, could recommend some to me, and where to buy it by Internet.
Thanks to all.