Reference Guide
Internal Use - Confidential
Backup
Flash
Non
-volatile
1
U1100
512Gb
Backup
Flash No
Holds
cache
data during
power
loss
ROC backs up
DDR data to this
device in case of
a power failure
N
o write protect
Not visible to Host
Processor
Flash can be cleared
by
powering up the
card and
allowing
the controller to
flush the contents to
VDs.
If the VDs are
no longer
available,
cache can be
cleared
by going into
controller bios and
selecting Discard
Preserved
Cache.
SDRAM
Volatile
9
U1077
-U1085
8GB
SDRAM
No
Cache for HDD
I/O
ROC writes to
this
memory - using it
as cache for data
IO to HDDs
N
o write protect
Not visible to Host
Processor
Cache
can be cleared by
powering off the
card