Dell PowerEdge R910 - Page 55

Dell
Dell PowerEdge R910 Technical Guide 55
for 57711 network controller.
Broadcom 8727 PHY (Physical Layer) EEPROM (applicable to only 10Gb I/O riser)
Size:
32KB
Type [Flash PROM, EEPROM]:
Serial EEPROM
Can user programs or operating system write
data to it during normal operation?
No
Does it retain data when powered off?
Yes
Purpose? [boot code]
Stores the PHY firmware
How is data input to this memory?
Data is preprogrammed or update using Dell
LOM FW update utility. System loaded with
arbitrary data in firmware memory will not have
the 10Gb SFP+ network ports operational
How is this memory write protected?
Software write protected
Remarks
10Gb I/O riser is optional
10 Gb I/O riser CPLD (applicable to only 10Gb I/O riser when present)
Size:
64 Macrocells
Type [Flash PROM, EEPROM]:
CPLD
Can user programs or operating system write
data to it during normal operation?
No
Does it retain data when powered off?
Yes
Purpose? [boot code]
Stores the standby power delivery routing to
10Gb network controller and its PHY
How is data input to this memory?
Data is preprogrammed at board build
How is this memory write protected?
Software write protected
Remarks
10Gb I/O riser is optional
Dell PERC H700i storage controller CPLD/Flash/NVSRAM etc. (if applicable)
Size:
FRU: 256 Bytes
Boot ROM: 8 KB
Flash: 8 MB
CPLD: 128 Macrocells
NVSRAM: 128 KB
iButton key EEPROM: 128 Bytes
Battery-Backed Cache: 512 MB
Type [Flash PROM, EEPROM]:
FRU, EEPROM, Flash, CPLD, Non-volatile SRAM
and a 1-wire EEPROM
Can user programs or operating system write
data to it during normal operation?
No
Does it retain data when powered off?
Yes
Purpose? [boot code]
Flash stores the storage controllers firmware
CPLD controls the power sequencing & battery
backup logic
NVSRAM stores the controller configuration