For a Proof of Concept of an alternative forced cooling system for servers I need to modify a few HP SE316m1 systems. The SE316M1 is also known as SE1120 and is a modified version of the DL160G6. HP part number for the mainboard is: 583736-001.
Main part of this modification is the removal of ALL attached fans.
Before a discussion kicks in on whether I want to do this or not, yes I do. I am providing alternate means of cooling which is impossible with fans attached and working. The hardware is obsolete and therefore warranty issues and potential damage to the hardware are not a problem.
The first problem I encounter is that the systems will not boot with the fans removed.
How can I bypass this safety mechanism? How can I ensure the system will boot regardless of the consequences?
Another potential issue is that (according to the manual) the system performance will decrease with environmental temperatures above 30 degrees C. Since our cooling solution may enable support for temperatures upto 60 degrees,
I would like to know how I can disable this performance decrease . Since I need to test our cooling system, I need to burn these servers to the max to identify potential cooling issues without the system automatically stepping down in performance.
I have no issues with wiring, soldering or chip replacement. Firmware/BIOS/CMOS programming however is beyond my capabilities (except for modifying CMOS values of course:).
Sincerely
R