Compaq AlphaServer ES45 Service Manual page 203

Table 6–1 SRM Environment Variables (Continued)
Variable Attributes
NV,W
boot_osflags
(continued)
Continued on next page
Description
boot_flags: The hexadecimal value of the bit
number or numbers to set. To specify multiple boot
flags, add the flag values (logical OR).
1—Bootstrap conversationally (enables you to
modify SYSGEN parameters in SYSBOOT).
2—Map XDELTA to running system.
4—Stop at initial system breakpoint.
8—Perform a diagnostic bootstrap.
10—Stop at the bootstrap breakpoints.
20—Omit header from secondary bootstrap file.
80—Prompt for the name of the secondary
bootstrap file.
100—Halt before secondary bootstrap.
10000—Display debug messages during booting.
20000—Display user messages during booting.
Tru64 UNIX: The following parameters are used
with this operating system:
a—Autoboot. Boots /vmunix from bootdef_dev, goes
to multi-user mode. Use this for a system that
should come up automatically after a power failure.
s—Stop in single-user mode. Boots /vmunix to
single-user mode and stops at the # (root) prompt.
i—Interactive boot. Requests the name of the image
to boot from the specified boot device. Other flags,
such as -kdebug (to enable the kernel debugger),
may be entered using this option.
System Configuration and Setup 6-9