Reference Guide

Item
Non-Volatile
or Volatile
Quantity
Reference
Designator
Size
Planar
PCH Internal CMOS RAM Non-Volatile 1 U13 256 bytes
BIOS Password Non-Volatile 1 U114 32 bytes
BIOS SPI Flash Non-Volatile 1 U114 16M bytes
iDRAC SPI Flash
Non-Volatile
1
U126
4M bytes
BMC EMMC Non-Volatile 1 U129 4G bytes
CPU Vcore Regulators
Non-Volatile
2
U99, U119
512 bytes
System CPLD RAM Volatile 1 U143 1K bytes (8k bits)
System Memory Volatile
Up to 8
per CPU
DIMM1 ~ DIMM16
Up to 16GB per DIMM (32GB
RTS+)
CPU Volatile
1 or 2
CPU1 / CPU2
Various
iDRAC DDR Volatile
1
U123 256M bytes
iDRAC Volatile
1
U122
64K bytes + registers
LOM EEPROM Non-Volatile
1
U66
64K bytes
LOM Flash Non-Volatile
1
U61
1M bytes (8Mb)
24x2.5" MCU/Backplane
MCU
Non-Volatile
5
U1,U2,U3,U4,U5
24K bytes Flash+ 8k bytes SRAM
Expander BP (RTS+)
SPI Flash
Non-Volatile
1
U2
4M bytes
12x3.5" MCU Backplane
MCU
Non-Volatile
5
U1,U2,U3,U4,U5
24K bytes Flash+ 8k bytes SRAM
FCB
H8
Non-Volatile
1
U12
384K bytes(ROM)+40K Bytes
(RAM)
CPLD
Non-Volatile
1
U15
64K bytes EBR SRAM
FRU
Non-Volatile
1
U18
32k bytes
Mid-plane
EEPROM
Non-Volatile
2
U2,U15
4k bytes
H730 ,PERC (RTS+)
NVSRAM
Non-volatile
1
U1033
128KB
FRU
Non-volatile
1
U1019
256B
1-Wire EEPROM
Non-volatile
1
U1004
128B
SPD
Non-volatile
1
U22
256B
SBR
Non-volatile
1
U1020
8KB
Flash
Non-volatile
1
U1031
16MB
ONFI Backup Flash
Non-volatile
1
U1059
4GB
SDRAM
Volatile
5
U1043-U1047
512MB/1GB
H330, PERC
NVSRAM
Non-volatile
1
U1033
128KB
FRU
Non-volatile
1
U1019
256B
1-Wire EEPROM
Non-volatile
1
U1004
128B
2