Reference Guide

Internal Use - Confidential
System
Memory:
BPS
Non
- Volatile
Up to
8 per
CPUs
1 and
2
(16 total in
system)
BPS1:
CPU<2:1>_CH<
H,F,D,B>_D<0>
BPS2:
CPU<2:1>_CH<
D>_D<0>
BPS3:
CPU<2:1>_CH<
A>_D<1>
BPS4:
CPU<2:1>_CH<
G,E,C,A>_D<1>
BPS5:
CPU<2:1>_CH<
H:A>_D<1>
BPS6:
CPU<2:1>_CH<
F,B>_D<0>
128GB,
256GB,
512GB per
BPS
Flash
– BPS
No
Data
integrity
When system
initiates a Save
(AC loss,
shutdown,
etc.), BPS
controller will
transfer data
from DRAM to
Flash
Neither system nor
OS can access the
flash, only a system
initiated Save will
trigger the BPS
controller to transfer
data from DRAM to
Flash
Using BIOS menu
o
ption, select "Persistent
Memory"
Internal USB
Key
Non
- Volatile
Up
to 1
J_USB_
INT
Varies
(not
factory
installed)
Flash
Yes
General
purpose
USB
key
drive
USB interface
via PCH.
Accessed via
system OS
No write protect
Can
be cleared in system
OS
CPU
Volatile
1
or 2
CPU1 /
CPU2
Various
Cache +
registers
Yes
Processor
cache +
registers
Various
Various
Remove
A/C
PIROM
Non
- Volatile
1
or 2
CPU1 /
CPU2
128
Bytes
EEPROM
No
Processor
info +
scratchpad
SMBus
interfac
e to
iDRAC
128 bytes
protected by
Intel/128
bytes not
protected
Not
user clearable