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HP Z420 Workstation - Removing and Replacing the SAS Controller Module

Introduction
This document is provided to assist in removing and replacing the SAS controller module for the HP Z420 Workstation.
Minimum skill level
The end user should possess product-specific knowledge and technical skill on how to service the system, and have familiarity with the operating system.
Parts required
  note:
Part numbers are subject to change.
The replacement part number will vary depending on the SAS controller module that is being replaced. If a part is listed as "Yes" under "Requires Return", then the defective part needs to be returned to HP. Click here for more information on returning parts to HP.
Description
Part Number
Requires Return
RAID LSI SAS 9212-4i4e Host Bus Adapter (HBA) - Supports up to 256 SATA and SAS physical devices
636705-001 (Modified)
Yes
SAS 3041E four-port Host Bus Adapter (HBA) card - Connects to both SAS/SATA drives
604815-001 (Modified)
Yes
  note:
For customers in countries/regions with RoHS legislation (e.g. EU, China, etc.) restricting the use of hazardous substances in electrical equipment. The use of the "Original" spare part is regulated by RoHS legislation. If the unit contains a part that is labeled with the "Modified" spare number, the "Modified" spare part must be ordered as the replacement part. If the unit contains a part that is labeled with the "Original" spare number, please order the "Original" spare number as the replacement part. In this case, either the "Original" or the "Modified" spare number may be shipped which will not affect performance or functionality of the unit.
Summary of instructions
To view a video demonstrating the procedure for removing the SAS controller module, click here to view the HP Services Media Library and then click on Remove/Replace videos. On the new window, select SAS controller module from the menu on the upper left hand side of the screen.
SAS controller module removal
  1. Review the safety considerations before performing the steps listed below by clicking on the following link:
      caution:
    Failure to comply with the precautions could result in damage to the product or loss of data.
  2. Locate the SAS controller module on the system board.
  3. Lift and remove the SAS controller module.
SAS controller module replacement
  1. Locate the SAS option header on the system board.
  2. Connect the SAS controller to the header.
      note:
    Locate the SAS option header on the system board. Connect the SAS controller to the header.
  note:
Please refer to the product-specific Maintenance and Service guide for any future technical information and/or installation guidelines for this component. Click here to access product-specific Maintenance and Service guide.

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