BIOS setting recommendations for Dell R640 and Dell R660

Last Updated : Nov 19, 2024 |
Table 1: System profile settings

System setup screen

Setting

SBC Recommended values

System profile settings

System Profile

Performance Optimized

System profile settings

CPU Power Management

Maximum Performance

System profile settings

Memory Frequency

Maximum Performance

System profile settings

Turbo Boost [2]

Enabled

System profile settings

C1E

Disabled

System profile settings

C States

Disabled

System profile settings

Monitor/Mwait

Enabled

System profile settings

Memory Patrol Scrub

Standard

System profile settings

Memory Refresh Rate

1x

System profile settings

Uncore Frequency

Maximum

System profile settings

Energy Efficient Policy

Performance

System profile settings

CPU Interconnect Bus Link Power Management

Disabled

System profile settings

PCI ASPM L1 Link Power Management

Disabled

Table 2: Memory, processor, and iDRAC settings

System setup screen

Setting

Recommended setting for SBC

Memory settings

Memory Operating Mode

Optimizer

Memory settings

Memory Node Interleave

Disabled

Memory settings

DIMM Self Healing

Disabled

Memory settings

ADDDC setting

Disabled

Memory settings

Memory Training

Fast

Memory settings

Correctable Error Logging

Disabled

Processor settings

Logical Processor

Disabled

Processor settings

Virtualization Technology

Disabled

Processor settings

CPU Interconnect Speed

Maximum Data Rate

Processor settings

Adjacent Cache Line Prefetch

Enabled

Processor settings

Hardware Prefetcher

Enabled

Processor settings

DCU Streamer Prefetcher

Enabled

Processor settings

DCU IP Prefetcher

Enabled

Processor settings

Sub NUMA Cluster

SNC 2

Processor settings

Dell Controlled Turbo

Disabled

Processor settings

Dell Controlled Turbo Optimizer mode

Enabled

Processor settings

XPT Prefetch

Disabled

Processor settings

UPI Prefetch

Disabled

Processor settings

LLC Prefetch

Enabled

Processor settings

DeadLine LLC Alloc

Enabled

Processor settings

Directory AtoS

Disabled

Processor settings

Dynamic SST Perf Profile

Disabled

Processor settings

SST-Perf- profile

Operating Point 1

iDRAC settings

Thermal Profile

Maximum Performance