Question
System has the following configuration:
CSE-846TQ-R900B chassis, Supermicro X7DWN+ with newest BIOS v. 1.2b, Adaptec 52445 controller with firmware 17899, 16x ST31000340NS with FW DN06.

The controller BIOS is starting with the error "Warning: PCI-e link width is NOT x8 - Rebooting..." We also had problems with the RAID system. The RAID got bad stripes and every few days the one HDD was failing. Do you know these problems?
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Answer
This is a Adatepc BBU issue. After change BBU then is ok.
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