PowerEdge：Broadcom BCM5720無法降級至舊版韌體
Summary: Broadcom BCM5720 無法降級至較舊的韌體 （22.00.6 及先前版本）。
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Symptoms
目前版本的 BCM5720 （Dell 零件編號：8RFC9） 為 22.31.6。BCM5720無法降級至舊版韌體 （22.00.6 及先前版本）。
Cause
這是意料之中的故意行為。
韌體無法降級至較舊韌體 （22.00.6 及更低版本）。較舊的韌體元件不知道如何與 BCM5720 NIC 上的 NVRAM 裝置正確互用。如果上面安裝了較舊的固件，則可能會導致損壞，可能無法恢復。
Resolution
此按設計運作。
如果您使用的是較舊的韌體（22.00.6 韌體及更低版本），則可以降級至更舊的韌體。
Affected Products
Broadcom NetXtreme Family of Adapters, PowerEdge R640, PowerEdge R650, PowerEdge R660, PowerEdge R740, PowerEdge R740XD, PowerEdge R740XD2, PowerEdge R750, PowerEdge R750XA, PowerEdge R750xs, PowerEdge R760Article Properties
Article Number: 000214712
Article Type: Solution
Last Modified: 23 Oct 2025
Version: 4
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