https://community.hpe.com/t5/netservers/lh-pro-need-help-with-upgrading-cpu/m-p/2819646#M3504 It is not an absolute requirement that the stepping code match between the CPU's but I do not recommend it. There are too many chances for flaky oddball errors.<BR />If the two existing chips match, put them both in one server and buy a new pair for the other server.<BR /><BR />Any legitimate source for the CPU should also supply the matching VRM to go with it.<BR /><BR />HTH,<BR />Paul Mon, 07 Oct 2002 13:16:57 GMT Paul R. Dittrich 2002-10-07T13:16:57Z https://community.hpe.com/t5/netservers/lh-pro-need-help-with-upgrading-cpu/m-p/2819645#M3503 I have two LH pro's with single 200 Mhz Chips in them. I would like to add an additional cpu to each one. I understand that i need a VRM for each proccessor. my question is this, do i need a "special" vrm or can i buy any used (and hopefully working)vrm off of ebay or somthing of the sorts, or do i need to get s specific one? Also, does the stepping code need to be the same on each chip? any help or advice would be great.<BR />Thanks<BR />Andy Sun, 06 Oct 2002 02:30:04 GMT https://community.hpe.com/t5/netservers/lh-pro-need-help-with-upgrading-cpu/m-p/2819645#M3503 Andy Dodge 2002-10-06T02:30:04Z https://community.hpe.com/t5/netservers/lh-pro-need-help-with-upgrading-cpu/m-p/2819646#M3504 It is not an absolute requirement that the stepping code match between the CPU's but I do not recommend it. There are too many chances for flaky oddball errors.<BR />If the two existing chips match, put them both in one server and buy a new pair for the other server.<BR /><BR />Any legitimate source for the CPU should also supply the matching VRM to go with it.<BR /><BR />HTH,<BR />Paul Mon, 07 Oct 2002 13:16:57 GMT https://community.hpe.com/t5/netservers/lh-pro-need-help-with-upgrading-cpu/m-p/2819646#M3504 Paul R. Dittrich 2002-10-07T13:16:57Z