Digital Equipment AXPpci 33, Руководство по конструкции

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Preface
Table 1 (Cont.) Conventions
Convention Meaning
italic type The following items appear in italic type:
• Variable information, such as user-supplied
information in commands. For example:
>>> set envar value [-default] [-integer]
[-string]
• Directory and file specifications when these appear
in text. For example:
The files are located in the directory
pub/Digital/axppci.
bold type This typeface indicates the name of a console command
or command option when it appears in text. For example:
Use the set boot_osflags command to set an
environment variable that specifies a default boot
flag value.
[ ] Square brackets, in command syntax, enclose optional
items. For example:
>>> set envar value [-default] [-integer]
[-string]
. . . Horizontal ellipsis points indicate that the preceding item
can be repeated one or more times. These are used in
syntax descriptions and function definitions.
Horizontal ellipsis points also indicate that a portion of an
example or figure is omitted.
Key In tables, key names are designated by a box. For
example,
Return
.
DECchip 21066 Except where noted differently, DECchip 21066 refers to
the DECchip 21066/21066A/21068/21068A processor.
MLB Main logic board refers to the system module or
motherboard with the DECchip 21066 processor chip
socket.
PCB Printed circuit board, also known as a printed wire board.
Side 1 The primary component (DECchip 21066) side of a
printed circuit board.
Side 2 The passive component side of a printed circuit board.
Figure dimensions Except where noted differently, all figure dimensions are
in inches.
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