Dell PowerEdge M915 server User's guide

LVDIMM backup backup.backup.backup.fm Page 9 Wednesday, December 26, 2012 3:55 PM

1600 MHz LVDIMM On AMD

Platforms—Information Update

This document provides information about the behavior of 1600 MHz

LVDIMMs on the following Dell PowerEdge systems:

• R415

• R515

• R815

• R715

• M915

The memory operating voltage options in the BIOS are Auto, 1.5 V, or 1.35 V.

The following table lists the frequency and the memory operating voltage at which the 1600 MHz LVDIMM operates.

BIOS Option

Auto (default)

1.35 V

1.5 V

Frequency

1333 MHz

1333 MHz

1600 MHz

Memory Operating Voltage

1.35 V

1.35 V

1.5 V

To ensure that the 1600 MHz LVDIMM maintains a frequency of 1600 MHz, set the Memory Operating Voltage in the BIOS to 1.5 V.

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LVDIMM backup backup.backup.backup.fm Page 10 Wednesday, December 26, 2012 3:55 PM

To set the memory operating voltage to 1.5 V:

1 Turn on or restart your system.

2 Press <F2> to enter the System Setup.

NOTE: The system will not respond until the keyboard is active.

If your operating system begins to load before you press <F2>, allow the system to finish booting, and then restart your system and try again.

3 In the Memory Settings screen, change the Memory Operating Voltage to

1.5 V using the System Setup navigation keys.

4 Save and exit the System Setup.

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© 2012 Dell Inc.

Trademarks used in this text: Dell™ and the DELL logo are trademarks of Dell Inc. AMD

®

is a registered trademark of Advanced Micro Devices.