A bios checksum error is normal when you have flashed your BIOS all you need to is reset it with the appropriate jumper and when you boot up enter the Setup and choose your settings. I have being servicing computers for years but have never had the ba**s to edit the BIOS file Well done
Hi, This is driving me nuts. All I am trying to do is change the epa logo and have had zero luck so far. As a last resort test, I have extracted the epa file from the bios, and the re-inserted the same file back without any other changes and the bios becomes corrupt. Steps I have done are: C:\bios\test>CBROM606.EXE 8i955xro.f11 /epa extract CBROM V6.06 (C)Award Software 1999 All Rights Reserved. Enter an extract file Name : (dps2.bmp) [EPA] ROM is extracted to dps2.bmp C:\bios\test>CBROM606.EXE 8i955xro.f11 /epa release CBROM V6.06 (C)Award Software 1999 All Rights Reserved. [EPA] ROM is release C:\bios\test>CBROM606.EXE 8i955xro.f11 /epa DPS2.BMP CBROM V6.06 (C)Award Software 1999 All Rights Reserved. Adding DPS2.BMP . 19.0% C:\bios\test> The bios is now corrupted. When I flash it there is a checksum error and the pc boots off the secondary bios only (dual bios motherboard). Can anyone take some time to tell me what I am doing wrong please? If I don't get this step right, I will certainly never be able to test any real bios mods I do. many thanks in advance.
Hmmm, You may try again with newer version of cbrom. Is the logo at the same location after? I mean memory location in bios. Post a /d before and after inserting. Maybe your bios is sensible about that issue. Should not be, and your steps you´ve done seem to be right. Yen
Hi Yen, I think you may be right on the location issue. the /D before: C:\bios\test>CBROM606.EXE 8i955xro.f11 /D CBROM V6.06 (C)Award Software 1999 All Rights Reserved. ******** 8i955xro.f11 BIOS component ******** No. Item-Name Original-Size Compressed-Size Original-File-Name ================================================================================ 0. System BIOS 20000h(128.00K)15121h(84.28K)8i955xro.BIN 1. XGROUP CODE 0FC30h(63.05K)0AD00h(43.25K)awardext.rom 2. YGROUP ROM 072D0h(28.70K)04E82h(19.63K)awardeyt.rom 3. FNT1 ROM 03058h(12.09K)02271h(8.61K)font1.awd 4. FNT2 ROM 03674h(13.61K)02117h(8.27K)font2.awd 5. FNT3 ROM 026C8h(9.70K)0185Bh(6.09K)font3.awd 6. Other(4029:0000) 06660h(25.59K)0299Bh(10.40K)_EN_CODE.BIN 7. Other(402A:0000) 06B30h(26.80K)02C66h(11.10K)_FR_CODE.BIN 8. Other(402C:0000) 06B40h(26.81K)02CC0h(11.19K)_GR_CODE.BIN 9. Other(402D:0000) 06FC0h(27.94K)02CDAh(11.21K)_SP_CODE.BIN 10. Other(4031:0000) 054D0h(21.20K)02770h(9.86K)_B5_CODE.BIN 11. Other(4033:0000) 05550h(21.33K)02811h(10.02K)_GB_CODE.BIN 12. Other(4034:0000) 064F0h(25.23K)02CE5h(11.22K)_JP_CODE.BIN 13. PCI driver[A] 0F200h(60.50K)09594h(37.39K)ICH7RAID.BIN 14. PCI driver 0C800h(50.00K)06018h(24.02K)7223.bin 15. EPA pattern 0215Ch(8.34K)0067Bh(1.62K)dps2.bmp 16. PCI driver[C] 0B000h(44.00K)06394h(24.89K)ITE8212.ROM 17. Other(4067:0000) 01AADh(6.67K)00B75h(2.86K)PPMINIT.ROM 18. OEM0 CODE 02549h(9.32K)01B13h(6.77K)dbf.bin 19. Other(4041:0000) 00132h(0.30K)0011Eh(0.28K)SPECIAL.FNT 20. Other(4045:0000) 00176h(0.37K)001A4h(0.41K)DELL.BIN 21. ACPI table 03AE3h(14.72K)014F9h(5.24K)ACPITBL.BIN Total compress code space = 67000h(412.00K) Total compressed code size = 57285h(348.63K) Remain compress code space = 0FD7Bh(63.37K) ** Micro Code Information ** Update ID CPUID | Update ID CPUID | Update ID CPUID | Update ID CPUID ------------------+--------------------+--------------------+------------------- SLOT1 0A 0F32| PPGA 2C 0F25| C:\bios\test>cbrom and now the /D after: C:\bios\test>CBROM606.EXE 8i955xro.f11 /D CBROM V6.06 (C)Award Software 1999 All Rights Reserved. ******** 8i955xro.f11 BIOS component ******** No. Item-Name Original-Size Compressed-Size Original-File-Name ================================================================================ 0. System BIOS 20000h(128.00K)15121h(84.28K)8i955xro.BIN 1. XGROUP CODE 0FC30h(63.05K)0AD00h(43.25K)awardext.rom 2. YGROUP ROM 072D0h(28.70K)04E82h(19.63K)awardeyt.rom 3. FNT1 ROM 03058h(12.09K)02271h(8.61K)font1.awd 4. FNT2 ROM 03674h(13.61K)02117h(8.27K)font2.awd 5. FNT3 ROM 026C8h(9.70K)0185Bh(6.09K)font3.awd 6. Other(4029:0000) 06660h(25.59K)0299Bh(10.40K)_EN_CODE.BIN 7. Other(402A:0000) 06B30h(26.80K)02C66h(11.10K)_FR_CODE.BIN 8. Other(402C:0000) 06B40h(26.81K)02CC0h(11.19K)_GR_CODE.BIN 9. Other(402D:0000) 06FC0h(27.94K)02CDAh(11.21K)_SP_CODE.BIN 10. Other(4031:0000) 054D0h(21.20K)02770h(9.86K)_B5_CODE.BIN 11. Other(4033:0000) 05550h(21.33K)02811h(10.02K)_GB_CODE.BIN 12. Other(4034:0000) 064F0h(25.23K)02CE5h(11.22K)_JP_CODE.BIN 13. PCI driver[A] 0F200h(60.50K)09594h(37.39K)ICH7RAID.BIN 14. PCI driver 0C800h(50.00K)06018h(24.02K)7223.bin 15. PCI driver[C] 0B000h(44.00K)06394h(24.89K)ITE8212.ROM 16. Other(4067:0000) 01AADh(6.67K)00B75h(2.86K)PPMINIT.ROM 17. OEM0 CODE 02549h(9.32K)01B13h(6.77K)dbf.bin 18. Other(4041:0000) 00132h(0.30K)0011Eh(0.28K)SPECIAL.FNT 19. Other(4045:0000) 00176h(0.37K)001A4h(0.41K)DELL.BIN 20. ACPI table 03AE3h(14.72K)014F9h(5.24K)ACPITBL.BIN 21. EPA pattern 0215Ch(8.34K)0067Bh(1.62K)DPS2.BMP Total compress code space = 67000h(412.00K) Total compressed code size = 57285h(348.63K) Remain compress code space = 0FD7Bh(63.37K) ** Micro Code Information ** Update ID CPUID | Update ID CPUID | Update ID CPUID | Update ID CPUID ------------------+--------------------+--------------------+------------------- SLOT1 0A 0F32| C:\bios\test> Originaly the EPA is at position 15. then it moves to position 21. Any Ideas?? thanks
The size of the modules before and after are exactly the same. Honestly, I don´t know if the posistion does matter here. I would say no....... You can try again with a newer version of cbrom. Maybe yours from 1999 is too old. Sorry, I have got no other ideas.....never heared of that problem before. Yen
Hi I'm with Yen, you should try with a CBROM v1.55 (have worked with many Gigabytes and the new ones only have success mods with it), you can also move the EPA to is original position, and test it. X
I have the same problem with Gigabyte GA-MA790FXT-UD5P BIOS. I'm using CBROM v1.98 (2008-08-27). I think the checksum is a Gigabyte adition related to dual BIOS - a method to verify if main BIOS is OK to use. Any ideea how to fix that checksum? And, if checksum is fixed and MB doesn't boot (bad mod), how to switch to backup BIOS? Backup BIOS will think the main BIOS is OK (checksum match) and will not try to fix it.
Not helpful. I'm not trying to add SLIC/SLP to BIOS. That tool can only fix the checksum after adding SLIC/SLP. I'm just trying to update JMicron controller firmware module.
