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Dell POWEREDGE R620 User Manual

Page 7

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ONFI Backup Flash

FPGA backs up DDR data
to this device in case of a
power failure

Not WP. 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

ROC writes to this memory -
using it as cache for data IO
to HDDs

Not WP. Not visible to
Host Processor

Cache can be cleared
by powering off the
card

H310, H310M PERCs

NVSRAM ROC

writes

configuration

data to NVSRAM

Not WP. Not visible to
Host Processor

Cannot be cleared with
existing tools available
to the customer

FRU

Programmed at ICT during
production

Not WP

Cannot be cleared with
existing tools available
to the customer

1-Wire EEPROM

ROC writes data to this
memory

Not WP. Not visible to
Host Processor

Cannot be cleared with
existing tools available
to the customer

SBR Pre-programmed

before

assembly

Not WP. Not visible to
Host Processor

Cannot be cleared with
existing tools available
to the customer

Flash Pre-programmed

before

assembly. Can be updated
using Dell/LSI tools

Not WP. Not visible to
Host Processor

Cannot be cleared with
existing tools available
to the customer

PCIe SSD Extension Card

Switch Configuration
EEPROM

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.

IDSDM

SPI Flash

SPI interface via iDRAC

Hardware strapping

Not user clearable

MCU

USB interface via PCH

N/A

Not user clearable

 

NOTE: For any information that you may need, direct your questions to your Dell Marketing contact.

 

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