DELL PE T420 shown "PCIe: EISA Failsafe timeout" in ESXI 5.5 How i can solve it?

Amethystxx,

Give me some time to research this. To start I see the BIOS is a couple revisions back. Would we be able to update the BIOS and remaining platform and then see if the error remains or if it clears with the server being up to date? 

BIOS - http://www.dell.com/support/drivers/us/en/19/DriverDetails/Product/poweredge-t420?driverId=G88MX&fileId=3327430580&osCode=WS8R2&languageCode=en&categoryId=BI#OldVersion

iDrac - http://www.dell.com/support/drivers/us/en/19/DriverDetails/Product/poweredge-t420?driverId=JGG1X&osCode=XI55&fileId=3334005290&languageCode=EN&categoryId=ES

LC - http://www.dell.com/support/drivers/us/en/19/DriverDetails/Product/poweredge-t420?driverId=T6DJ4&osCode=XI55&fileId=3325756522&languageCode=EN&categoryId=SV

Perc H710 - http://www.dell.com/support/drivers/us/en/19/DriverDetails/Product/poweredge-t420?driverId=DK9F9&osCode=XI55&fileId=3188832303&languageCode=EN&categoryId=SF

Also

What, if any, cards are installed in those slots? 

Let me know what you find.