Sun Microsystems Sun Blade 150 Service Manual page 216

NVRAM
display settings, 3–28
reset defaults, USB keyboard, 10–2
saving OpenBoot PROM parameters, 4–17
NVRAM variables
resetting and USB keyboard, 10–3
NVRAM, resetting variables, 3–27
NVRAM/TOD
functional description, C–13
jumper settings, 8–15
removal, 8–5
O
OBDiag
see OpenBoot Diagnostics, 4–8
OpenBoot diagnostics, 4–8
help, 4–12
test command, 4–13
OpenBoot emergency procedures
and USB keyboards, 10–2
non-USB keyboards, 10–1
OpenBoot PROM
functional diagram, C–12
resetting variables, 3–27
saving parameters, 4–17
OpenBoot PROM diagnostics, 4–5
operation
SunVTS, 2–2
optical drive
removing and replacing, 7–11
P
parallel port
connector pin assignments, B–12
supported protocols, C–8
PCI
IDE controller functional description, C–9
PCI card
maximum power consumption, 8–11
removal, 8–10
PCI graphics
functional description, C–10
PCI to PCI bridge ASIC, C–11
PCIO-2
and power levels, C–25
Index-4 Sun Blade 150 Service Manual • June 2002
PCIO-2 ASIC
functional description, C–10
physical specifications, A–1
pinout signal descriptions, B–1
POST, 3–1
bypassing, 3–27
error reporting, 3–25
initializing, 3–5
isolating I/O devices, 3–28
motherboard, initializing, 3–28
OpenBoot PROM functional description, C–11
operational overview, 3–1
override, 3–27
progress reporting, 3–25
setting min and max, 3–6
power
and USB devices, C–26
power consumption
maximum, PCI cards and graphics
accelerators, 8–11
power cord safety, 5–3
power management
disabling, D–1
power supply
connector signal descriptions, B–2
removing, 6–1
replacing, 6–2
power supply test, 4–4
power switch, system, 9–2
power, system
functional description, C–25
powering on, 9–2
power-on
failure, 4–1
power-on self-test (POST), 3–1
pre-POST preparation, 3–2
primary hard drive
removal, 7–6
product
system description, 1–1
product specifications, A–1
progress reporting, POST, 3–25
R
RAM
NVRAM functional description, C–13
removing and replacing