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  • By: John Stutsman


    Figure 1 


    Figure 1 -- My Intel Zeon E3-1265LV2 shortly after it arrived and before it was installed in place of the Celeron G1610T in my HP ProLiant Gen8 MicroServer




    When the HP ProLiant Gen8 MicroServers were introduced my attention was caught by the LGA1155 Intel Socket for the Gen8’s CPU offering the potential of upgrading the processor.


    In a number of threads in the HomeServerShow/Forums we speculated on the compatibility of CPU’s and later we noted those that had been successfully used as an upgrade in the Gen8 MicroServers.  During that discussion I started thinking seriously about the Xeon E3-1265LV2 – its 45W TDP was higher than the 35W of the G1610T & G2020T but I believed that was manageable while jumping from two to four cores with 8 hyper-threads was exciting to have such power in that little box.  Sometime after unboxing my

      I decided if I could find a Xeon E3-1265LV2 for under $300 I’d jump on it – with Lone Wolf’s help I found one well below that price on eBay.


    Table 1 shows the relative performance of the Celeron G1610T and the Xeon E3-1265LV2 to each other as well as to other CPU’s used in the Gen8 and earlier MicroServers.




    Table 1 -- Comparison of CPU PassMark Performance Indecies


    Table 1




    To change out the CPU of the Gen8 MicroServer the best resource begins with the HP ProLiant MicroServer Gen8 Maintenance and Service Guide that is included on the DVD with the MicroServer.  The Removal and Replacement Procedures begin on page 21 and that entire section should be a must read for every MicroServer owner.  What I really like about the Removal and Replacement Procedures is that I can use it as a step-by-step check list as the work proceeds.  To change out the CPU we will need the Removal and Replacement Procedures for:

    • System Board Assembly – pp. 28-30
    • Heat Sink – pp. 49-51
    • Processor – pp. 51-53

    Additionally, before beginning any work on the MicroServer go to the HP Customer Self Repair Services Media Library – Media Selection Page.  Under 1. Product Category SELECT Servers.  Under 2. Product Family SELECT HP ProLiant MicroServer.  Under 3 Product Series SELECT HP ProLiant MicroServer Gen8.  When you make your final selection that page will look like Figure 2 below.




    Figure 2


    Figure 2 -- HP Customer Self Repair Services Media Library -- Media Selection => The place to start before doing any work on the MicroServer




     After making your selection illustrated in Figure 2 => hit RETURN and you will go to the Remove/Replace Videos selection menu shown in Figure 3 below.




    Figure 3


    Figure 3 -- HP ProLiant MicroServer Gen8 Maintenance Videos => IMHO, MUST VIEW before any MicroServer Maintenance




    The video Removal and Replacement Procedures should be a must view for every MicroServer owner.   Before replacing the CPU be sure to review, at a minimum, the videos:

    • System Board Assembly
    • Heat Sink
    • Processor
    • As well as the Precautions, Tools and materials, Preparation procedures, and System battery considerations.



    Material Requirements for changing out the CPU that I followed



    Installation of the Xeon begins with the unboxing





    Installation Pictures


    NOTE: To make your rebuild easier -- Be sure to take pictures of all cable placement and connections before disconnecting or removing anything!


    Figure 4


    Figure 4 -- Picture recording wire placement before disconnecting wires and cables to remove system board – note the placement of the SFF-8087 in the System Board SAS connector attached to the VelociRaptors mounted on the Schoondoggy Gen8 Drive Mount (“SGDM”)




     Figure 5


    Figure 5 -- Picture recording wire placement before disconnecting wires and cables to remove system board




     Figure 6


    Figure 6 -- Cables and wires disconnected and set out of the way -- note that the SFF-8087 that was attached to the SGDM has been completely removed and the SATA power Connectors to the SGDM have been disconnected to provide better clearance




     Figure 7


    Figure 7 -- Sensor Connector disconnected




     Figure 8


    Figure 8 -- Fan Connector Disconnected




    Figure 9 


    Figure 9 -- System Board Assembly partially removed from MicroServer




      Figure 10


    Figure 10 -- System Board Assembly completely removed from MicroServer




     Figure 11 


    Figure 11 -- Heat Sink removed from System Board Assembly exposing Celeron G1610T CPU -- Note Xeon E3-1265LV2 is in Anti-Static bag on Right




     Figure 12


    Figure 12 -- Thermal Material was only partially on Celeron G1610T CPU Top and Bottom




     Figure 13


    Figure 13 -- Thermal Paste pattern on Celeron G1610T is duplicated on Heat Sink




     Figure 14


    Figure 14 -- Using old Newegg Rewards Card to scrape old thermal material from Heat Sink (Q-Tips were also used to clean off thermal material) – thermal material was also removed from the Celeron G1610T.




    Figure 15


    Figure 15 -- Heat Sink was cleaned with ArcticClean Thermal Material Remover and coffee filters -- Celeron G1610T was also cleaned (even though the Celeron G1610T was being removed I felt it was important to clean it now and when I removed it I’d store it in a clean condition)




     Figure 16


    Figure 16 -- Heat Sink was then cleaned with ArctiClean Thermal Surface Purifier and coffee filters -- Celeron G1610T was also cleaned




     Figure 17


    Figure 17 -- Heat Sink was Tinted per Arctic Silver Instructions using a plastic card and coffee filters -- see Arctic Silver Instructions




     Figure 18


    Figure 18 -- Celeron G1610T was removed and replaced by Xeon E3-1265LV2.  The Xeon was then cleaned with ArctiClean 1 (Thermal Material Remover) & 2 (Thermal Surface Purifier)




     Figure 19


    Figure 19 -- Applying Arctic Silver 5 in X pattern based on Puget Systems Thermal Paste Application Techniques used in Zalman Replacement on GA-X58A-UD3H -- see references




    The HP Removal and Replacement Procedures recommended on page 53 of the HP ProLiant MicroServer Gen8 Maintenance and Service Guide that the thermal paste be applied in a 5 dot pattern.  Based on the Puget Systems Thermal Paste Application Techniques and the performance improvement I saw using the X pattern with an i7-930 I chose to try the X pattern on the Xeon E3-1265LV2 as illustrated in Figure 19.




    Figure 20


    Figure 20 -- Heat Sink installed and System Board Assembly ready to insert into MicroServer




    Figure 21 


    Figure 21 -- Xeon E3-1265LV2 is seen by the System during Posting




     Figure 22


    Figure 22 -- System Information shows Xeon E3-1265LV2 installed




     PassMark Performance tests of the Xeon


    When I ran the PassMark tests on the MicroServer the Xeon E3-1265LV2 gave me a CPU Mark of 8142


    The CPU BenchMark for the Xeon E3-1265LV2 that represents a combination of the scores submitted to PassMark can be found at CPUBenchMark.net.




    OS Drive C: Performance Tests




    Figure 23


    Figure 23 -- PassMark Disk Speed Reading




     Figure 24


    Figure 24 -- PassMark Disk Speed Writing




     Figure 25


    Figure 25 -- HD Tune Pro 5.50 BenchMark on 300GB Logical Volume C:




     Figure 26


    Figure 26 -- Drive C: Crystal Disk Mark Performance




    Testing of temperatures under heavy load, and remediation actions taken, will be discussed in a subsequent report.




     My system configuration As-Built:

    • HP ProLiant Gen8 MicroServer Xeon E3-1265LV2

    • 16GB RAM – Kingston KVR1333D3E9SK2/16G (
    • Schoondoggy Gen8 Drive Mount (“SGDM”)
    • OS Drive: HP Dynamic Smart Array B120i RAID Controller – Logical RAID0 Drive made with two (2) physical drives VelociRaptor WD1500HLHX (the physical drives were attached to SATAIII [6Gbps] Ports 0 & 1 and are SGDM mounted)
    • OS: Windows Server 2012 Standard
    • iLO 4 Advanced



    Figure 27


    Figure 27 -- As-Built: HP ProLiant Gen8 MicroServer Xeon E3-1265LV2 – Note power draw on meter is 42.7W






    If you want to learn more about the Gen8 MicroServer a good place to start is ProLiant MicroServer Gen8 Links and the MicroServer SubForum of the HSS Forums where you are welcomed to join us with any questions and/or comments on the above and other threads.  Be sure to check out the References at the end of this post.






    Intel Compare Xeon E3-1265LV2 and Celeron G1610T


    HP MicroServer Gen8 Processor FAQ


    ProLiant MicroServer Gen8 Links


    ProLiant MicroServer Gen8 Links Message #8


    The Schoondoggy Gen8 Drive Mount for the HP ProLiant Gen8 MicroServer First Look


    HP ProLiant Gen8 MicroServer G1610T Performance First Look


    Useful MicroServer Links & References


    MicroServer Hardware Links


    MicroServer Blog Postings


    References I referred to about thermal compound use


    Arctic Silver Thermal Compound Application Method – Vertical Line


    Puget Systems Thermal Paste Application Techniques


    Updating a Gigabyte X58A-UD3H and Unboxing a Zalman CNPS9900 MAX (Blue) CPU Cooler


    Repurposing an Acer Aspire Revo AR3610-U9022 Net-Top with a SSD and Windows 8


    Updating a Gigabyte Z77X-UD5H and i7-3770 in a PC-KW9X with a Zalman CPU Cooler




    User Feedback

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    Thanks for the great write up, you've saved me untold hours! I'd like to know how the unit is going now considering it's been 9 months since you published this. Any more lessons learnt? Also after reading several other sites with similar instructions I noted there was some recommendations to run the CPU at a lower speed/disable some cores/etc. to keep the power consumption down towards 35W. Did you do this with your upgrade? Thanks again.
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