Reference Guide

Item
Non-
Volatile or
Volatile
Quantity
Reference
Designator
Size
Type (e.g.
Flash PROM,
EEPROM)
Can user programs
or operating
system write data
to it during normal
operation?
Purpose?
(e.g. boot
code)
How is
data input
to this
memory?
How is this
memory
write
protected?
How is the memory
cleared?
FRU
Non-
Volatile
1
U1019
256 B
FRU
No
Card
manufacturing
information
Programme
d at ICT
during
production
No write
protect
User cannot clear.
SBR
Non-
Volatile
1
U1020
8 KB
Serial Boot
ROM
No
Bootloader
Pre-
programme
d before
assembly
No write
protect. Not
visible to Host
Processor
User cannot clear.
Flash
Non-
Volatile
1
U3
16 MB
Flash
No
Card firmware
Pre-
programme
d before
assembly.
Can be
updated
using
Dell/LSI
tools
No write
protect. Not
visible to Host
Processor
User cannot clear.
TPM
Trusted
Platform
Module (TPM)
Non-
Volatile
1
TPM
128 Bytes
EEPROM
Yes
Storage of
encryption
keys
Using TPM
Enabled
operating
systems
SW write
protected
F2 Setup option
Main Riser
RSPI
Non-
Volatile
1
U3
4 MB
SPI Flash
SPI flash is only
indirectly
connected to
iDRAC. iDRAC can
Boot
firmware
storage
SPI
interface
via iDRAC
No write
protect
Not user clearable