Reference Guide

Serial
Boot ROM
Non-
volatile
1
U1020
8 KB
Serial
Boot ROM
No
Boot loader
Pre-programmed
before assembly
No write protect. Not
visible to Host
Processor
Cannot be cleared with existing
tools available to the customer
Flash
Non-
volatile
1
U3
16 MB
FLASH
No
Card firmware
Pre-programmed
before assembly.
Can be updated
using Dell/LSI
tools updated
using Dell/LSI
tools
No write protect. Not
visible to Host
Processor
Cannot be cleared with existing
tools available to the customer
PCIe SSD
Extension
Card
Switch
Configurat
ion
EEPROM
Non-
volatile
1
U2
256 Bytes
SPI Flash
EEPROM
No (requires
specialized SW)
Configuration for
PLX PCIe
switch, setting
register
The EEPROM
image is pre-
loaded at factory
before assembly.
Once assembled
on the card, data
can be entered
via PLX Device
Editor or PLX
EEP DOS based
tool.
Device can be write
protected via
hardware pin.
Alternatively, device
contents can be
write protected via
WPEN bit in status
register
System is not functional as
intended if corrupted/removed
Left
Control
Panel with
Quick
Sync 2
Microcontr
oller
Non-
Volatile
1
USAM7
32 MB
SPI Flash
No
For field
maintenance.
Have License,
Service Tag and
SPI interface via
iDRAC
Hardware strapping
Cannot be cleared by the user