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On an HPE ProLiant DL325/DL385 Gen10 Plus server running a System ROM prior to version 2.40 and configured with the default CPLD (For the DL325 Gen10 Plus, the default version is 0x11, and for the DL385 Gen10 Plus, the default version is v2A2A), the OCP aux mode cooling supports a high fan speed level only.The high level aux cooling takes the fan(s) from stop to high speed, which may result in acoustic concerns, especially when the system is in aux mode.
Any HPE ProLiant DL325/DL385 Gen10 Plus Server.
System ROM v2.40 (or later) with the CPLD versions listed below allows OCP aux mode cooling to enable fan speed control based on temperature. Instead of one high speed level only, the fan speed will be automatically adjusted to keep OCP temperature within specification.To implement OCP aux mode fan control, update the server to System ROM v2.40 AND update the CPLD to the version detailed below. If both are not updated, the aux mode will remain one level cooling only.Refer to the following table to obtain the correct the CPLD version:DL325 Gen10 PlusDL385 Gen10 PlusCPLD version to implement aux fan controlV0x19V2E2EProLiant DL325 Gen10 Plus CPLD download link:WindowsLinuxProLiant DL385 Gen10 Plus CPLD download link:WindowsLinuxTo download the System ROM 2.40 or later, perform the following steps:1.Click the following link:Hewlett Packard Enterprise Support Center.2.Enter a product name (e.g., " DL325 Gen10 Plus") in the text search field and wait for a list of Suggested Products to display. From the Suggested Products list displayed, identify the desired product and select it.3.The page should refresh to display the "DRIVERS AND SOFTWARE" tab and the components that support the selected product. From the "DRIVERS AND SOFTWARE" expandable filter menus on the left side of the page:-Select the Software Type "BIOS"-Select the Software Sub Type "System ROM"-For further filtering if needed select the specific Operating System from the Operating Environment.4.Locate and select the System ROM 2.40 (or later).Note: To ensure that you have selected the latest version of the firmware/driver, click the Revision History tab to check if a new version of the firmware/driver is available. For more important information, review the Release Notes tab.5.Click Download.RECEIVE PROACTIVE UPDATES: Receive support alerts (such as Customer Advisories), as well as updates on drivers, software, firmware, and customer replaceable components, proactively in your e-mail through HPE Support Alerts. Sign up for Support Alerts at the following URL:Proactive Updates Subscription Form.NAVIGATION TIP:For hints on navigating HPE.com to locate the latest drivers, patches and other support software downloads, refer to theNavigation Tips document.SEARCH TIP:For hints on locating similar documents on HPE.com, refer to theSearch Tips document.
Operating Systems Affected:Not Applicable
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