HP 3 Replacing the system motherboard, 4 Battery/Flash Backed Write Cache (BBWC or FBWC) module failures

Contents
1 Introduction...............................................................................................	5
Performance best practices.........................................................................................................	5
HP D2D and HP ProLiant...........................................................................................................	5
How do I tell whether I have a G1 or G2 product?...................................................................	6
Using the ProLiant Guide with HP D2D4324 G2 models...........................................................	7
Using the ProLiant Guide with HP D2D4312 G2 models............................................................	8
Using the ProLiant Guide with HP D2D4106/4112 G2 models....................................................	9
Using the ProLiant Guide with HP D2D2502/2504 G2 models..................................................	9
Using the ProLiant Guide with HP D2D4112 G1 models...........................................................	10
Using the ProLiant Guide with HP D2D4004 and 4009 G1 models..........................................	11
Using the ProLiant Guide with HP D2D2502 G1 models ........................................................	12
Using the ProLiant Guide with HP D2D2503 G1 models.........................................................	13
Using the ProLiant Guide with HP D2D2504 G1 models.........................................................	14
POST messages and troubleshooting.........................................................................................	14
Tasks that are unique to the HP D2D.........................................................................................	14
Software upgrades.................................................................................................................	14
2 The flash memory module..........................................................................	15
Overview..............................................................................................................................	15
Part number......................................................................................................................	15
Identifying a flash memory module failure..................................................................................	15
Troubleshooting procedure..................................................................................................	15
Replacing the memory module, G2 HP D2D Backup Systems only.................................................	15
Replacing the memory module, G1 HP D2D Backup Systems........................................................	17
3 Replacing the system motherboard .............................................................	19
Motherboard part numbers......................................................................................................	19
Before replacing the motherboard— a note about licenses...........................................................	19
iLO2 licenses.....................................................................................................................	19
SAAP licence (HP D2D4324 and D2D4312)..........................................................................	19
J27 settings (HP D2D4106/4112 G2 and HP D2D2502/2504 G2)...............................................	20
After replacing the motherboard...............................................................................................	21
G2 products......................................................................................................................	21
G1 products......................................................................................................................	22
4 Battery/Flash Backed Write Cache (BBWC or FBWC) module failures.............	23
Part numbers..........................................................................................................................	23
Identifying the battery/flash capacitor module failure..................................................................	23
HP D2D4324, D2D4312, D2D4106 and D2D4112.................................................................	23
HP D2D4004,/4009 and D2D2502/3/4 G1 and G2..........................................................	24
Replacing the battery/flash capacitor module............................................................................	24
Battery/flash capacitor module location................................................................................	24
HP D2D4324...............................................................................................................	24
HP D2D4312................................................................................................................	25
HP D2D4106/4112 G2..................................................................................................	25
HP D2D2502/2504 G2................................................................................................	26
HP D2D4004/4009 and HP D2D2502/3/4 G1.............................................................	26
HP D2D4112 G1...........................................................................................................	27
Procedure.........................................................................................................................	27
5 The HP SmartArray P410i and P812/P411 RAID controllers and HP SAS
expander card (HP D2D4324 and 4312)........................................................	29
Overview..............................................................................................................................	29

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