06-15-2011
Quote:
Firmware upgrade means upgrading the Open Boot Program .I mean the little piece of software in eeprom. And any changes I am making at ok> I am making them in Open boot program stored in the EEPROM.
In general, yes. However there are rare cases where you may be updating firmware other than the OBP.
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LEARN ABOUT OSF1
sys_attrs_bparm
sys_attrs_bparm(5) File Formats Manual sys_attrs_bparm(5)
NAME
sys_attrs_bparm - bparm subsystem attributes
DESCRIPTION
This reference page lists and describes attributes for the Boot Parameters (bparm) kernel subsystem. Refer to the sys_attrs(5) reference
page for an introduction to the topic of kernel subsystem attributes.
Identifies the device from which the system was last booted. This attribute corresponds to the console firmware environment vari-
able with the same name. Do not modify this value, which is set when the system boots.
A combination of flags that controls the boot loader and kernel. This attribute corresponds to the console firmware environment
variable with the same name. Values for the variable are: Boot to multiuser mode. By default, the kernel boots to single-user mode.
Enable the kdebug debugger to debug the kernel. By default, kdebug is not enabled in the kernel. Produce full dumps when the system
crashes. By default, partial dumps are produced. Prompt for an alternate kernel and special arguments when the system is booted. By
default, no questions are asked.
Set boot_osflags only at the console prompt or by using the consvar utility.
Identifies the boot device to be used when one is not included in the boot command line. This attribute corresponds to the console
firmware environment variable with the same name. Set bootdef_dev only at the console prompt or by using the consvar utility.
SEE ALSO
Commands: consvar(8)
Others: sys_attrs(5)
System Administration
sys_attrs_bparm(5)