System
Unit
Functions
3-27
Hitachi Compute Rack 210H User’s Guide
The precautions on use of device tagging are as follows:
To validate the device tagging function, set
Chipset
>
North Bridge
>
Device Tagging
to
Enabled
on the system BIOS setup menu.
The device tagging operates in independent mode to interleave between
channels.
In case of a correctable memory error, such as a 1-bit error or single DRAM
chip error, automatic correction is continued. At this time, the ERROR LED
does not turned on.
For the device tagging function, only one memory board is used for operation
per channel. If DRAM chips on multiple memory boards in one channel fail,
the device tagging function does not work and the system is shut down.
If an uncorrectable memory error occurs, ECC-based error correction
becomes unavailable and thus the system is shut down.
You cannot use the device tagging function simultaneously with online spare
memory, memory mirroring, and lock step.
