Dell PowerEdge R810 - Manual (Page 3)

Server System Event Log Memory / FRU Details
Size: 4 KB
Type: [e.g. Flash PROM, EEPROM]: SEEPROM
Can user programs or operating system write data to it
during normal operation? No
Does it retain data when powered off? Yes
Purpose? [e.g. boot code] Store System Events
How is data input to this memory? BMC controller writes
How is this memory write protected? Software write protected
FRU (Field Replacement Unit) memory. (x1 on the IO
planar, x1 on the CPU planar) Details
Size: 4Kb on IO planar, 2Kb on CPU planar
Type: [e.g. Flash PROM, EEPROM]: EEPROM
Can user programs or operating system write data to it
during normal operation? No
Does it retain data when powered off? Yes
Purpose? [e.g. boot code] FRU information for boards such as board name,
PPID, manufacturing date etc.
How is data input to this memory? Data pre-programmed or using Dell utility at
ICT/Functional Tester during board assembly
How is this memory write protected? Software write protected
DIMM modules SPD (Serial Presence Detect) EEPROM
(up to 32 depending on the number of DIMM modules
present) Details
Size: 256 Bytes
Type: [e.g. Flash PROM, EEPROM]: EEPROM
Can user programs or operating system write data to it
during normal operation? No
Does it retain data when powered off? Yes
Purpose? [e.g. boot code] DIMM information and temperature settings.
How is data input to this memory? Data preprogrammed by the DIMM vendors (lower
128 bytes). Also during boot sequence, data is written
to SPD EEPROM (upper 128 Bytes).