A2SDi-TP8F/LN4F User's Manual
70
Fast Boot
Use this feature to enable or disable fast path through the memory reference code. The
options are Disabled and
Enabled
.
Command Address Parity
Use this feature to enable or disable the DDR4 command address parity. The options are
Disabled
and Enabled.
Memory Frequency
Use this feature to set the maximum memory frequency for onboard memory modules. The
options are DDR-1600, DDR-1867, DDR-2133, and
DDR-2400
.
MMIO Size / BMBOUND Base
Use this feature to select the memory mapped IO size and BMBOUND base setting. The
low for the two settings will always be 4GB. The options are
Auto
, 1024M / 3072M, and
3072M / 1024M.
TCL performance
Use this feature to enable the CAS Latency (tCL) to increase memory performance. The
options are Disabled and
Enabled
.
Memory Preservation
Use this feature to enable or disable memory preservation after a warm reset. The options
are
Disabled
and Enabled.
Patrol Scrub Enable
Patrol Scrubbing is a process that allows the CPU to correct correctable memory errors
detected in a memory module and send the correction to the requestor (the original source).
When this item is set to Enable, the IO hub will read and write back one cache line every
16K cycles if there is no delay caused by internal processing. By using this method, roughly
64 GB of memory behind the IO hub will be scrubbed every day. The options are
Enabled
and Disabled.
Patrol Scrub Period
Use this feature to select the Patrol Scrub period. The options are
24 hours
, 10 hours, 4
hours, and 1 hour.
Demand Scrub Enable
Demand Scrubbing is a process that allows the CPU to correct correctable memory errors
found in a memory module. When the CPU or I/O issues a demand-read command, and
the read data from memory turns out to be a correctable error, the error is corrected and
sent to the requestor (the original source). Memory is corrected as well. Select Enable to
use Demand Scrubbing for ECC memory correction. The options are
Enabled
and Disabled.
