Table of Contents
Advertisement
O p e r a t i n g Y o u r S y s t e m
Special Button Functions
Caution
Do not use these functions unless there is serious problem with the system and it is
absolutely necessary.
Pressing S
TANDBY
drive bay door is unlocked switches the system into a mode in which
these three buttons have special functions. The LCD displays 8888 to
indicate this mode. The following paragraphs describe the special
function of each button.
♦
S
or R
TANDBY
memory dump to the central processing unit by activating and then
deactivating the Non-Maskable Interrupt (NMI) signal via the
diagnostic processor. The effect of this action will depend on the
operating system. You can then use the appropriate function of the
network operating system to examine the contents of the dump.
♦
C
- Pressing this button initializes the modem, which is
ONTROL
connected to the SMC modem port on the back panel of the server.
If the modem initialization is successful, the LCD displays the code
0000. If the initialization is unsuccessful, the LCD displays 0F4D or
0F4E.
♦
S
+ R
TANDBY
LCD and then releasing them executes an independent SMC reset.
This would only be necessary if a major problem or error had
occurred in the system, which is unlikely.
If you do not press any buttons for ten seconds, the system returns to
normal mode.
UPS and Power LEDs
The UPS and Power LEDs indicate the state of the system as follows:
UPS LED
♦
When this LED shows steady green, it means that the system is
powered by mains electricity and the batteries are fully charged.
♦
Flashing green means that system is powered by mains electricity
and the batteries are in the process of charging. This will usually be
the case after the system has been without mains electricity, i.e.
disconnecting the plug or a power failure.
♦
Steady amber indicates that the system is drawing its power off the
batteries, i.e. there is no mains electricity. As soon as mains
electricity fails, an alarm sounds.
2-10 OWNER'S HANDBOOK
, C
and R
ONTROL
ESET
- Pressing either of these buttons initiates a
ESET
- Pressing these buttons simultaneously clears the
ESET
simultaneously while the front
Advertisement
Table of Contents
