DEC 4000 600 series Owner's Manual page 231

A
AC circuit breaker, 1–9
AC present light, 9–6
Accessories box, 8–2
Adapters, mass storage, 7–10
Addresses
See Drive addresses
Ethernet addresses
ALLCLASS parameter, 6–27
Allocation classes, changing, 6–24
Alpha AXP architecture
See System architecture
Alpha AXP chip
See DECchip 21064 microprocessor
Antistatic wrist strap, 8–6
Architecture
See System architecture
Autoboot, 4–5
auto_action environment variable
described, 4–2
displaying current value, 4–5
setting, 4–6
settings, 4–4
uses of, 4–5
Auxiliary serial port, 2–2
changing baud rate setting, 4–15
Availability, system, 6–5
B
Baud rate, changing, 8–8
on auxiliary serial port, 4–15
temporarily, on console terminal port,
4–15
boot command, 3–5
Boot device
changing default, 4–7, 4–9
disabling default, 4–9
displaying default value, 4–7
Boot flags
default value, 4–10
defined, 4–10
displaying current value, 4–12
setting, 4–13
when to change, 4–12
Boot procedure, 1–15
Boot sequence, troubleshooting, 9–12
bootdef_dev environment variable
described, 4–2
disabling, 4–9
displaying current value, 4–7
setting, 4–7
Booting system software screen, 1–16
examples of, 1–16
boot_osflags environment variable
default value, 4–10
described, 4–2
displaying current value, 4–12
setting, 4–13
when to change, 4–12
Index
Index–1