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DUMP COMMAND
11. 3 -- Messages
**PROM I/O ERROR-STATU8=36 AT h DRIVE i-PSN
J
This message indicates
that
a
phisical
sector
beyond the end or the diskette
~as
to be accessed
with one
or
the
DUMP
commands.
In
the
Physical
Mode
or
operation,
only
sectors
0-$7D1
(single-sided) or sectors
Q-$FA3
(double-sided)
can
be
accessed.
A
memory
address
(only
meaningful ror system diagnostics) is substituted
rOT'
the
letter
"h"i
the logical unit number is
substituted foT" the letter
"illi
and the
physical
sector
number
(PSN) at
~hich
the error occurred
is substituted rOT' the letter
"JII.
The display format
of
a
sector's contents
is
shown
in
section
11.4.
The messages associated with that display are
explained here.
The
secto~
display will contain headings
to
identify
~hat
sector is being displayed.
"UNITIt
Ulill
always
speciry
the
currently
selected
logical unit number.
The heading
IJCHANGE BUFFER"
utilI
be
displayed,
if
the
sector change buffer is being shown.
The
heading ItCLUSTER ALLOCATION
MAP"
indicates that the
B
qualifier
was
used
with
either
the
5
or
L
command.
Likewise,
the
heading
"DIRECTORY"
indicates
that
the
D
qualirier was used with either the S or L command.
The
heading
"FILE=xxxxxxxx. xx"
indicates
that
the
Logical
Mode of operation is in effect.
The rile's name and
suffix are displayed to the right
or
the equal sign.
"PSN
II
gives
the
displayed
sector's
physical
sector
number
I
regard
1
es s
of
th
€I
mod e
of
op erat ion.
"LSN",
or
logical sector number,
is
only
shown
if
the
director~
is
being
displayed
or
if the current mode of
ope~ation
is the
Logical Mode.
The digits 00-70 down the left
edge
of the
display
are
the hexadecimal orfsets into the sector.
The contents of the
sector are shown
both
in
hexadecimal
and
in
displayable
ASCII.
Non-displayable
characters
are
printed as periods
Co>'
I~
sectors are displayed on the line printer,
they
will
appear five sectors per page.
The unit number and associated
heading will be automatically printed
at
the
top
of
each
page.
The
paper
alignment
will
be
restored
once
the G
comma n dis iss u e
d .
Page
11-11
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