Latest BIOS update on my S2600CP2 board made PSU FAN run at max speed.
As I already know it is the signal of some hardware fault.
Further investigation gave me the result, that HW failure happened at SDR update. However I don't know which records exactly are faulty.
I know, that there are 2 options of SDR saving to the board from EFI shell.
1. frusdr /sdr s2600cp.sdr (With this option only 60 records are saved to the board) - PSU FAN is quiet
2. frusdr /cfg master.cfg (With this option 217 records are saved) - PSU FAN is loud
Looking at the master.cfg file I found, that frusdr utility in both cases read s2600cp file and saves not all records to the board
Only the records which have corresponding tags (_SDR_TAG "NAME" ) in .sdr file
Selected tag names list is defined (or built) by master.cfg file.
SDR tags set is set according to master.cfg script with SET and CLEAR instructions.
By the menus and autodetection comands tags set is constructed before SDR records saved to the board.
If I save SDR with frusdr /sdr s2600cp command the 60 saved records correspond to come predefined tag list.
Which is this tag list ?