Modular cabinet, Module – HP NonStop G-Series User Manual

Page 264

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memory dump

The contents of a

processor's

memory copied onto disk or magnetic tape for later

analysis, as produced in a tape dump operation. You should submit the memory dump to
your service provider.

microcode

Any machine code or data that can run in a microprocessor. HP produces two types of
microcode for NonStop systems: volatile and nonvolatile. Volatile microcode is loaded
into the volatile random-access memory (RAM) of some types of printed wiring
assemblies (PWAs) and is not retained in a host PWA when power to the PWA is
interrupted. For nonvolatile microcode, see

firmware

. See also

millicode

millicode

RISC instructions that implement various TNS low-level functions such as exception
handling, real-time translation routines, and library routines that implement the TNS
instruction set. Millicode is functionally equivalent to TNS

microcode

.

mirrored disk or volume

A pair of identical disk drives that are used together as a single logical volume. One drive
is considered primary and the other is called the mirror. Each byte of data written to the
primary drive is also written to the mirror drive. If the primary drive fails, the mirror
drive can continue operations. Each drive has the same volume name, but the name has a
suffix to show which drive is the primary (-P) and which is the mirror (-M).

See also

volume

.

modular ServerNet expansion board (MSEB)

A

ServerNet expansion board (SEB)

that uses plug-in cards (PICs) to provide a choice of

connection media for routing ServerNet packets.

modular cabinet

A cabinet with an integrated standard 19-inch rack equipped with a power distribution
unit (PDU), doors, slides, brackets, castors, leveling pads, and optional side panels.

module

Part of the group, module, slot naming convention for uniquely identifying the logical
location of a component within a system. A module is a subset of a

group

, and it is

usually contained in an enclosure. A module contains one or more slots. A module can
consist of components sharing common interconnect, such as a backplane, or it can be a
logical grouping of components performing a particular function.

MSEB port

A connector on modular ServerNet expansion boards (MSEBs) used for ServerNet links.
An MSEB has four fixed serial-copper ports and six

plug-in card

(PIC) slots that accept a

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