NEC Express5800/B120e-h User Manual

Also see for Express5800/B120e-h: Manual Maintenance Guide

Contents

1. Installing Internal Optional DevicesExpress5800/B120e-h User's Guide52Chapter 2 Preparations1.5.1 Adding Order and Precautions• Adding order depends on the number of CPUs installed.– 1-CPU configuration:Install DIMMs starting from the smallest DIMM slot number.– 2-CPU configuration:Alternately install DIMMs starting from the smallest DIMM slot number of each CPU.• Install DIMM one by one.• Install DIMMs starting from the largest capacity and from the smallest slot number.• Registered DIMMs and Unbuffered DIMMs cannot be mixedly installed. If installed mixedly, the CPU bladewill fail to operate correctly.• If the CPU blade does not have CPU#2 installed, DIMM slots CPU2_DIMM1 to CPU2_DIMM8 areunavailable.1.5.2 InstallationInstall the DIMM on the CPU blade according to the following procedure:1. Remove the top cover and air duct according to Chapter 2 (1.3.1 Removal of top cover) and (1.3.2Removal of air duct).2. Push the DIMM into the socket straight.If the DIMM is inserted into the DIMM socket, the lever is automatically closed.Important • Make sure of the orientation of the DIMM. The connecting side of the DIMM hasa cut-out to prevent an incorrect insertion.• Use extreme care when inserting a DIMM. Applying too much pressure candamage the DIMM and/or connector.3. Close the lever firmly.4. If you need to install two or more DIMMs, install them according to steps 2 through 4.5. Install the top cover and air duct according to Chapter 2 (1.3.3 Installation of top cover and air duct).6. Install the CPU blade having been removed to the Blade Enclosure according to the User's Guide ofthe Blade Enclosure.7. Make sure that no error message appears on the POST screen.If any error messages are displayed, refer to Chapter 3 (1. POST Error Message) in "MaintenanceGuide".