hp StorageWorksMSA1500 cs SCSI I/OModuleMSA1500 cs SCSI I/O Module Replacement InstructionsFirst Edition (April 2004)Part Number: 361700-001If the product in which this part is being replaced is still under HPwarranty, then the replacement part(s) referred to in these ReplacementInstructions is provided under the terms and conditions of theHewlett-Packard Company Limited Warranty for that product. A copy ofthis Limited Warranty may be viewed at:http://h18006.www1.hp.com/products/storageworks/warranty.htmlIf this is a trade sale part (product out of warranty), then the replacementpart(s) referred to in these Replacement Instructions is provided under HP’sexpress limited warranty statement, which may be viewed at:http://customerops.corp.hp.com/1sw/pdm_om/warranty_support/policies/2330100.docThe replacement part takes on either the Limited Warranty Period of thepart being replaced or a ninety-day period that begins upon installationof the replacement part, whichever is greater.The information contained on these replacement instructions is subject tochange without notice. The only warranty for this replacement product isas noted above. Nothing in these replacement instructions should beconstrued as constituting an additional warranty. The informationprovided in these replacement instructions is provided “AS IS” and HP isnot liable for technical or editorial errors or omissions contained herein.© Copyright 2004 Hewlett-Packard Development Company, L.P.Please note that this document is protected by federal copyright law andthat no part of this document may be copied, reproduced or translatedwithout the prior written consent of Hewlett-Packard DevelopmentCompany, L.P.Printed in Singapore.ReplacementInstructionsThese instructions apply to the MSA1500 csproduct family. The part may also be usedin other HP products. Please refer todocumentation for your specific product fordetailed replacement instructions.361700- 001About this documentThis document details the procedures for replacing a failedMSA1500 cs SCSI I/O module in HP StorageWorks ModularSmart Array (MSA) storage systems.Verifying component failureBefore replacing the SCSI I/O module, use the followingmethods to verify the component failure.■ Check the controller LCD for one of the error messageslisted in Table 1.■ The status LED on the rear of the module is not illuminatedor is flashing amber 1.Figure 1: Status LEDBefore you beginRead the following cautions and information before beginningremoval and replacement procedures.Caution: Be sure the replacement part is available beforeremoving the failed component. Removing a componentimpacts cooling within the enclosure.Caution: Parts can be damaged by electrostatic discharge.Use proper anti-static protection. Refer to thedocumentation that shipped with your system for additionalinformation.Caution: It is important to follow these instructions whenreplacing components in the MSA. If the procedure is doneimproperly, it is possible to lose data or damageequipment.Caution: Before replacing this hot-pluggable componentensure that steps have been taken to prevent loss of data.Table 1: LCD Error MessagesNo. Message23 SCSI SUBSYSTEM HARDWARE FAILURE412 STORAGE BOX # EMU NOT RESPONDING1