HP Digital AlphaStation 255 Family User Information page 14

Preface
Abbreviation
LED
Mb
MB
MHz
MAU
ns
NVRAM
PCI
RISC
ROM
SCSI
SIMM
SRM
SROM
xiv
Meaning
Light-emitting diode.
An Mb suffix to a numerical value indicates size in megabits
(for example, 10 Mb). A megabit equals 1,048,576 bits.
A MB suffix to a numerical value indicates size in megabytes
(for example, 550 MB). A megabyte equals 1,048,576 bytes.
Megahertz.
Media adapter unit.
Nanoseconds.
Nonvolatile random access memory.
Peripheral component interconnect.
Reduced instruction set computing.
Read only memory.
Small computer system interface.
Single in-line memory modules.
Digital UNIX and OpenVMS console firmware.
Serial read only memory.