Cisco UCS Manager Server Management Using the CLI, Release 4.1

This section provides information on new feature and changed behavior in Cisco UCS Manager, Release 4.1.

This section provides information on new feature and changed behavior in Cisco UCS Manager, Release 4.1(3h).

Table 1. New Features and Changed Behavior in Cisco UCS Manager, Release 4.1(3h)
Feature	Description	Where Documented
BIOS tokens	Cisco UCS Manager now has new BIOS tokens and modifications to existing BIOS tokens and values.	Trusted Platform BIOS Settings

This section provides information on new feature and changed behavior in Cisco UCS Manager, Release 4.1(3e).

Table 2. New Features and Changed Behavior in Cisco UCS Manager, Release 4.1(3e)
Feature	Description	Where Documented
New RAS Memory BIOS Setting	Cisco UCS Manager now has the Burst and Postponed Refresh BIOS token added to allow the memory controller defer the refresh intervals and to mitigate Rowhammer-style attacks.	RAS Memory BIOS Settings

Table 3. New Features and Changed Behavior in Cisco UCS Manager, Release Release 4.1(3a)
Feature	Description	Where Documented
New RAS Memory BIOS Setting	Cisco UCS Manager now has the following BIOS tokens to maintain memory temperature, enhance memory test, and to mitigate Rowhammer-style attacks Memory Thermal Disabled Throttling Mode Advanced Memory Test Transparent Secure Auto Memory Encryption (TSME) Secure Encrypted Auto Virtualization (SEV) DRAMSWThermal servers Throttling	RAS Memory BIOS Settings

Table 4. New Features and Changed Behavior in Cisco UCS Manager, Release 4.1(2b)
Feature	Description	Where Documented
New BIOS Options	Cisco UCS Manager has the following BIOS tokens to mitigate Rowhammer-style attacks: Memory Refresh Rate Panic and High Watermark	RAS Memory BIOS Settings

Table 5. New Features and Changed Behavior in Cisco UCS Manager, Release 4.1(2b)
Feature	Description	Where Documented
New BIOS Options	Cisco UCS Manager has the following BIOS tokens to mitigate Rowhammer-style attacks: Memory Refresh Rate Panic and High Watermark	RAS Memory BIOS Settings

This section provides information on new feature and changed behavior in Cisco UCS Manager, Release 4.1(2a).

Table 6. New Features and Changed Behavior in Cisco UCS Manager, Release 4.1(2a)
Feature	Description	Where Documented
New BIOS Options	Cisco UCS Manager has new features to reduce EMI interference and configure thermal power levels via the BIOS options. These features expand on the capabilities of the processor. It also adds the following Intel® Optane DCPMM Memory BIOS tokens: NVM Performance Setting CR QoS CR FastGo Config Snoopy mode for AD Snoopy mode for 2LM	Server BIOS Settings LOM and PCIe Slots BIOS Settings Intel® OptaneTM DC Persistent Memory (DCPMM) BIOS Tokens
Acoustic Mode Fan Profile	Reduces the fan speed to reduce noise levels in acoustic-sensitive environments in Cisco UCS C220 M5, C240 M5 and C240SD M5 Rack servers.	Creating an Acoustic Mode Fan Policy

This section provides information on new feature and changed behavior in Cisco UCS Manager, Release 4.1(1a).

Table 7. New Features and Changed Behavior in Cisco UCS Manager, Release 4.1(1a)
Feature	Description	Where Documented
RAS Memory Features	Cisco UCS Manager expands on Intel® Xeon® processor support for RAS memory features via the BIOS. These features expand on the capabilities of the processor to increase the performance and reliability of memory DIMMs. These include limiting presented memory to a subset of overall memory, ability to create a mirrored region in memory map with the attributes of a partial mirror copy, rather than the complete mirror copy.	RAS Memory BIOS Settings

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