01-17-2012, 05:00 PM
Heloo
I want to change the date and bios version,whitch is located in the system bios module.
the procedure is simple with the help modbin, where extracted bios modul orginal.bin.
I extracted two bios version 11h and 11i ang get 11h.bin and 11i.bin.
Then comparing with hex workshop
![[Image: 11h%252520i%25252011i.PNG]](https://lh5.googleusercontent.com/-smblWmcy4Kk/TxXlSKsra9I/AAAAAAAAA_Y/dNpTseDtsHs/s1183/11h%252520i%25252011i.PNG)
[attachment=3409]
Need help for the calculation of checksum 1 and 2 at the end of orginal.bin
1. first on adress 1ffee
2. second 1ffef
3. i know to calculate third at the end 1ffff wich is checksum = 100-checksum (from 10000-1fffe)
[attachment=3410]
Help?
I want to change the date and bios version,whitch is located in the system bios module.
the procedure is simple with the help modbin, where extracted bios modul orginal.bin.
I extracted two bios version 11h and 11i ang get 11h.bin and 11i.bin.
Then comparing with hex workshop
[attachment=3409]
Need help for the calculation of checksum 1 and 2 at the end of orginal.bin
1. first on adress 1ffee
2. second 1ffef
3. i know to calculate third at the end 1ffff wich is checksum = 100-checksum (from 10000-1fffe)
[attachment=3410]
Help?