H
HDD
Hard disk drive
HDDBP
Hard disk drive backplane
I
I2C bus
Inter integrated circuit bus
ISA
Instruction set architecture
IOBP
I/O backplane
L
LCD
Liquid crystal display
LED
Light emitting diode
LSB
Logical system board
LSI
Large scale integration
M
MAC
Media access control address
MBC
Maintenance bus controller
MEM
Memory modules
MBU
Motherboard unit
N
NTP
Network time protocol
NVRAM
Non-volatile random access memory
O
OPNL
Operator panel
OS
Operating system
P
PCIe
PCI express
Power-on self-test
POST
Abbreviations-2
SPARC Enterprise M3000 Server Service Manual • March 2012
POR
Power-on reset
PSB
Physical system board
Power supply unit
PSU
R
PROM
Programmable read-only memory
Random access memory
RAM
S
SAS
Serial attached SCSI
Serial ATA
SATA
SRAM
Static RAM
SC
System controller
T
TC
Throughput computing
TOD
Time of day
U
UE
Uncorrectable error
UPC
UPS controller
UPS
Uninterruptible Power Supply
X
XCP
XCSF control package
XIR
Externally initiated reset
XSB
eXtended system board
XSCF
eXtended System Control Facility
XSCFU
eXtended system control facility
unit