IBM 88631SU Service Guide - Page 154
Microprocessor, microprocessor
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5. Reconnect the external cables and power cords. Microprocessor tray and microprocessor The following sections describe how to replace the microprocessor tray and a microprocessor. The following notes describe information that you must consider when installing a microprocessor: v The voltage regulators for microprocessors 1 and 2 are integrated on the microprocessor board; the VRMs for microprocessors 3 and 4 come with the microprocessor options and must be installed on the microprocessor board. v When installing additional microprocessors, populate the microprocessor connectors in numeric order, starting with connector 2. v You can use the Configurations/Setup utility program to determine the specific type of microprocessor in the server. v A dual-core upgrade option is available to enable the server to support dual-core microprocessors. Important: The following minimum code levels must be installed for the server to support the dual-core upgrade: Basic input/output system (BIOS) code level ZUJT53A Remote Supervisor Adapter II (RSA2) firmware level ZUEP37B Baseboard management controller (BMC) code level Z2BT05D Complex programmable logic device (CPLD) firmware level HEUD18A Diagnostic program (Diags) code level ZUYT26A The server model number will change when you install this upgrade. A new label comes with the option kit for you to place over the existing label on the server. The following table lists the kit server model numbers before and after the dual-core upgrade is installed. Table 7. Model numbers before the dual-core upgrade is installed 3Rx 4RX Model numbers after the dual-core upgrade is installed ZZZ, PPP 333, QQQ Removing and installing a microprocessor Complete the following steps to remove the microprocessor tray and a microprocessor. 138 IBM System x3850 Type 8863, 7362: Problem Determination and Service Guide
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