Dell PowerVault 221S Upgrading to Ultra 320 EMMs - Page 2

www.dell.com | support.dell.com 1 Turn off the storage system. This step is optional if I/O activity to the storage system has ceased. 2 Remove the host server-to-storage system cable from the EMM. For removal instructions, see your Installation and Troubleshooting Guide. 3 Using a #2 Phillips-head screwdriver, loosen the captive screw at the top of the EMM (see Figure 1). 4 Grasp the handle of the module and pull it from the module slot. NOTE: If you did not turn off power to the storage system in step 1, after the module is removed from the system, the amber shelf fault light illuminates and, if enabled, an alarm might beep until the module is replaced. Figure 1. Removing and Installing an EMM captive screw handle primary EMM secondary EMM or SCSI terminator card Installing an Ultra 320 EMM CAUTION: Before performing any of the procedures listed in this section, read and follow the safety instructions in the System Information Guide that shipped with your computer. 1 Carefully insert the Ultra 320 EMM into the empty module slot. NOTE: You can identify the Ultra 320 EMM by the SCSI Ultra 320 label on it.