Reference Guide

Internal Use - Confidential
Item
Non-
Volatile or
Volatile
Quantity
Reference
Designator
Size of
memory
Type of
memory
(e.g. Flash
PROM,
EEPROM)
Can user programs
or operating
system write data
to it during normal
operation?
What is the
Purpose?
(e.g. boot
code)
How is data
written to
this
memory?
How is
memory write
protected?
How is memory
cleared?
Planar
iDRAC
Volatile
1
U_IDRAC
For CPU:
128KB +
Registers
Co-proc:
64Kb +
Registers
Cache +
registers
No
Processor
cache +
registers
iDRAC
Firmware
No write protect
Remove A/C
PIROM
Non-Volatile
1 or 2
CPU1 / CPU2
256 Bytes
EEPROM
No
Processor info +
scratchpad
SMBus
interface to
iDRAC
128 bytes
protected by
Intel/128 bytes
not protected
Not user clearable
Recovery BIOS
SPI
Non-Volatile
1
U208
16MB
SPI Flash
No
Recovery image
SPI interface
via iDRAC
No write protect
Not user clearable
10 - 2019