writing rom: Parsing segment....... CFW CHECKSUM ERROR

[drdoc]

writing rom: Parsing segment....... CFW CHECKSUM ERROR

I see this sometimes writing seagate roms.

Whats it mean?

Is this normal?

or is something corrupted?

then later I got an io miscompare - that doesnt look good.

whats going on?

Writing ROM from folder (C:\Program Files\PC3K\Bin\!Profiles\SgF3\Pharaoh\ST31000528AS-CC34-5VP06W98_geoff_hamilton\Data\ROM\ROM_xj8f.bin)
Parsing container segment....... Flash ROM image
Segment: CFW
Parsing segment....... CFW
Warning! Segment used space check sum is not zero: 0000BE77
End parsing segment... CFW
Segment: CAP
Parsing segment....... CAP
End parsing segment... CAP
Segment: RAP
Parsing segment....... RAP
End parsing segment... RAP
Segment: SFW
Parsing segment....... SFW
End parsing segment... SFW
Segment: SHELL
Parsing segment....... SHELL
End parsing segment... SHELL
Segment: SAP
Parsing segment....... SAP
End parsing segment... SAP
Segment: IAP
Parsing segment....... IAP
End parsing segment... IAP
End parsing container segment... Flash ROM image
MPU initializer is not found in written ROM image!
ROM writing module loading ...
Write ROM...
Flash size is: 0x00080000
Flash type is: STM
Erasing...
Programming...
IO miscompare!
Completed!
Result.................................. : Ok
WARNING!
In Boot Code mode HDD have shortened commands set!
For full-mode work via utility you have to switch HDD power supply OFF/ON!

[Amarbir[CDR-Labs]]

Hi Wayne ,
Do You understand the structure of Seagate ROMS ?

[drdoc]

no - dont know seagate rom structure

what are the parts
what is unique to the drive
what is unique to the heads
what is replaceable from another version