6. Place the cover side-down on the ESD mat.
Important: Do not place the LGA cover face down on the ESD mat, because this may introduce
contamination to the LGA cover surface.
7. At this point, the cover can be removed from the module to expose the interposer.
8. Verify that all four guide posts are tight. A loosened guide post can be tightened with a ratchet or
wrench until it is snug. Use caution not to damage the interposer.
This ends the procedure.
Models
870 and 890 - Remove and replace tools: For use by authorized service providers.
Use the table below to obtain part numbers for tools needed to perform remove and replace procedures
on the Models 870 and 890.
Part number Units per assembly Description
46H9635 1 Tool box
11P4486 1 Torque tool MCM
04N6923 1 Sash brush
11P4747 1 Magnifying glass
11P4654 1 L3 cache trays
11P4789 1 I/O backplane insertion tool
6422789 1 DCA removal tool
31L8313 1 Leveling tool (for rack)
47H0182 1 Torx, T10
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