UP1500 User’s Manual
Chapter 4 Software Support
UP1500 800-A1
4-12
4.2.6
Updating Firmware (SRM Console)
The
lfu
command is used to update firmware from the SRM Console prompt.
The
lfu
command starts the Loadable Firmware Update (LFU) Utility. The
syntax is:
lfu
Note:
If the system is shut down from a booted program (most commonly, the
operating system) or in some other way halted back to the SRM Console,
you must reset the system before running LFU.
To run LFU, set the
auto_action
variable to
halt
, then reset the sys-
tem. Remember to reset
auto_action
to the original value after you
run LFU.
Example 4-9 Lfu Command
>>>lfu
Checking dqa0.0.0.16.0 for the option firmware files. . .
dqa0.0.0.16.0 has no media present or is disabled via the
RUN/STOP
switch
Checking dva0 for the option firmware files. . .
-halt
Forces the bootstrap operation to halt and
invokes the SRM Console program once the
bootstrap image is loaded and page tables and
other data structures are set up. Operator
console
*
device drivers are not shut down.
Transfer control to the image by entering the
continue command.
-protocols
enet_protocol
Either
mop
or
bootp
(default). This qualifier
overrides the setting of the
ew*0_protocols
environment variable (see Table 4-12).
boot_dev
A device path or list of devices from which the
SRM Console program attempts to boot, or a
saved boot specification in the form of an
environment variable. This qualifier overrides the
setting of the
bootdef_dev
environment
variable (see page 4-16). Use the
bootdef_dev
environment variable to define the default boot
device string.
Table 4-6
Boot Command Options (Continued)
Option
Description
Notes: *The operator console is the monitor, keyboard, and mouse. This hardware is used to
enter SRM Console commands into the system.
