Reference Guide

Internal Use - Confidential
Flash
Non
-volatile
1
U1086
128Mb
Flash
No
Card
firmware
Pre- programmed
before assembly.
Can be updated
using
Dell/Broadcom
tools
No
write protect
Not visible to
Host
Processor
Not
user clearable
Backup
Flash
Non
-volatile
1
U1100
64Gb
Backup
Flash No
Holds
cache data
during
power loss
ROC backs up
DDR data to this
device in case of a
power failure
No write protect
Not visible to
Host
Processor
Flash can be clear
ed 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
Ca
che for HDD I/O
ROC writes to
this
memory - using it
as cache for data
IO to HDDs
No write protect
Not visible to Host
Processor
Cache
can be cleared by
powering off the
card