DANGER
To
prevent
power
from
switching
on
automatically
during
service
procedures,
select
manual
or
secure
mode
on
the
system
unit
control
panel
or
disconnect
the
cables
that
connect
to
J15
and
J16
on
the
frame
being
serviced.
(RSFTD211)
This
page
includes
the
following:
v
defines
the
fields
of
the
SRC
and
their
corresponding
Control
Panel
function.
v
helps
you
determine
a
part
position
and
item
from
the
Direct
Select
Address
(DSA).
v
contains
the
card
positions
for
the
model
you
are
working
on.
v
Breaking
down
the
SRC:
This
table
defines
the
fields
of
the
SRC
and
their
corresponding
Control
Panel
function.
Word
7
of
the
SRC
allows
you
to
determine
the
correct
Bus
number,
bus
type,
multi-adapter
bridge
number,
multi-adapter
bridge
function
number
and
logical
card
number
from
the
Direct
Select
Address
(DSA).
Physical
card
slot
labels
and
card
positions
for
PCI
busses
are
determined
by
using
the
DSA
and
the
appropriate
system
unit
or
expansion
tower
card
position
table.
See
in
this
page.
Table
1.
SRC
breakdown
SRC
word
Control
panel
function
Panel
function
characters
Format
Description
1
11
1-8
B600
uuuu
uuuu
=
unit
reference
code
(69xx)
1-extended
SRC
information
11
9-16
iiii
Frame
ID
of
the
failing
resource
1-extended
SRC
information
11
17-24
ffff
Frame
location
1-extended
SRC
information
11
25-32
bbbb
Board
position
2
12
1-8
MIGVEP62
See
for
details.
3
12
9-16
cccc
cccc
Component
reference
code
4
12
17-24
pppp
pppp
Programming
reference
code
5
12
25-32
qqqq
qqqq
Program
reference
code
high
order
qualifier
6
13
1-8
qqqq
qqqq
Program
reference
code
low
order
qualifier
7
13
9-16
BBBB
Ccbb
Bus,
card,
board
Direct
Select
Addresses
(DSA).
See
below.
If
BBBB
is
greater
than
or
equal
to
0100,
then
the
BBBB
value
is
the
HSL
loop
number.
8
13
17-24
TTTT
MMMM
Type
and
model
of
failing
item
(if
non-zero)
9
13
25-32
uuuu
uuuu
Unit
address
(if
non-zero)
DSA
breakdown:
Follow
the
instructions
below
to
determine
a
part
position
and
item
from
the
Direct
Select
Address
(DSA).
1.
Break
down
the
DSA
into
the
bus
number,
the
multi-adapter
bridge
number,
and
the
multi-adapter
bridge
function
number
as
shown
in
the
Table
2.
DSA
breakdown
(See
page
below.
2.
Use
the
System
Configuration
List
or
Hardware
Service
Manager
(HSM)
to
determine
if
the
bus
is
located
in
the
system
unit
or
an
I/O
tower.
Analyze
hardware
problems
63
