For
HP
Internal Use Only
Valid
From:
Local Console
Port,
Remote Modem
Port
RS:
Reset
SPU
Definition:
This
command
resets
the
system,
lAP
I/0
card excluded, by deasserting
the
backplane
POVv'"
_ON
and
SEC_QN signals. For multiple bus systems, a reset signal is provided
on
the
support
cable.
The
lAP
firmware controls
the
length
of
time
that
POW
_ON
and
SEC_ON
are forced
to
the
off
state
and
the
support
cable RSTSYS_L signal is asserted.
The
reset
condition should
be
held for a minimum
of
5 milliseconds.
In order
to
ensure
proper
functioning of this command,
the
processor
must
mask
off
the
reset
from
the
backplane.
The
proper
SPU reset sequence is as follows:
• Determine
that
the
Operator
really wants
to
reset
the
system by requiring
that
the
operator
confirm
that
a system reset is desired.
• Firmware notifies
the
operator
that
the
system reset has been successful.
• Reset
the
I/
0 functions on
the
lAP
I/
0 card.
•
The
AP
is placed
in
Console Mode
to
prepare for rebooting
the
system.
Valid
From:
Local Console
Port,
Remote Modem
Port
SE: Enter Session Mode
On
Remote Port
Definition:
This
command
may
only be entered from
the
remote
port
and
allows
the
user
to
leave control
mode
and
enter
session mode. To re-enter control mode,
the
user need only exit
the
user
session.
The
lAP
will reconnect
the
operator
as a parallel console after
the
driver releases
the
connection.
After entering
the
SE command,
the
Access
Port
should send a "ready
to
connect" connection
status
to
the
driver
through
the
IO_DATA_IN_IOE7
FIFO.
Assuming
that
no
other
error
precludes clearing
error
information in
the
IO_STATUS register,
the
Se
bit
should
be
cleared
and
0 placed in
the
Estat
field
of
the
IO_STATUS register for
port
7.
Valid
From:
Remote Modem
Port
SO:
Security Options
Definition:
This
command
enables
three
features
that
can be independently enabled.
The
features are:
• Non-Activity
Timer
•
CMD_RESET
Monitor
• Restricted
Command
Set
You
must
enter a configuration password
to
enable any
of
these features.
Non-Activity Timer.
When
the
Access
Port
firmware is
in
the
CONTROL
mode
and
the
Non-Activity
Timer
is enabled (ON),
the
Access
Port
firmware monitors
the
console
terminal
for
input.
If
no
input
is received
in
three
minutes,
the
Access
Port
firmware exits
the
CONTROL
mode
and
returns
to
the
CONSOLE mode.
Functional Description 9-11
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