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Cisco UCS C-Series Servers Upgrade Guide for Intel E5-2600 v2/E5-2400 v2 Series CPUs
OL-28629-01
Downgrading Cisco UCS C-Series Servers From Intel E5-2600/E5-2400 v2 Series CPUs
The server and CPUs will now boot.
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Downgrading Cisco UCS C-Series Servers From Intel
E5-2600/E5-2400 v2 Series CPUs
Note This downgrade procedure requires server downtime.
This section contains the following topics:
• Downgrade Scenario 1: UCSM-Managed Server, page 7
• Downgrade Scenario 2: Standalone Server, page 9
Downgrade Scenario 1: UCSM-Managed Server
This scenario assumes the following conditions:
• The C-Series server is managed by Cisco UCS Manager.
• The Cisco UCS Manager software is already at the minimum version or later (see Minimum
Software and Firmware Requirements, page 2).
• The C-Series server is already at the BIOS/CIMC minimum version or later.
• The C-Series server is using the Intel E5-2600/E5-2400 v2 Series CPUs.
Use the following procedure to downgrade to earlier supported CPUs.
Step 1 Power off the server.
Step 2 Replace the Intel E5-2600/E5-2400 v2 Series CPUs with the earlier supported CPUs.
Use the CPU replacement procedures in the Installation and Service guide for your server: Cisco UCS
C-Series Installation and Upgrade Guides.
Step 3 Power on the server.
Step 4 Wait for Cisco UCS Manager to automatically discover and associate the server.
Note The CIMC bundle, including the server CIMC and BIOS, is backward-compatible with earlier
supported CPUs, so the following firmware downgrade steps are optional.
Step 5 Optional: Downgrade your server CIMC.
Use the CIMC firmware management procedures in the GUI or CLI Integrated Management Controller
Configuration Guide for your release.
Step 6 Optional: Downgrade your server BIOS.
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