Sas and sata device numbers – HP ProLiant ML570 G4 Server User Manual
Page 15

Component identification 15
Code Component
Status
A0
Pre POST code
Standby mode
P5
Power supply
No power from the power supply
_5
Power backplane
No 5-V power from the power supply backplane board
33 Power
backplane
No 3.3-V power from the power supply backplane
board
15 1.5-V
regulator
No 1.5-V power from the voltage regulator on the system
board
Ut
Vtt regulator
No power from the Vtt regulator on the system
5U
PPM failure
No power from the PPM
nb
No boot
Indicates a no-boot situation
SAS and SATA device numbers
The server supports a combination of up to 18 SAS and SATA hard drives in the SAS/SATA hard drive
cage. SAS/SATA devices are numbered 1 through 18.
HP recommends populating hard drive bays starting with the lowest SAS device number.