HP Integrity rx4640 Server - Manual (Page 44)

Diagnosing array problems 44
LED ID Color Name Comments
6 Green CR507: Activity Port 3I is active.
7 Green CR506: Command Outstanding The controller is working on a command from the
host driver.
8 Green CR505: Controller Heartbeat When the controller is in good health, this LED
flashes every two seconds.
9 Green CR504: Gas Pedal This LED, together with the Idle Task LED (next
item), indicates the amount of controller CPU
activity. For details, see the following table.
10 Green CR503: Idle Task This LED, together with the Gas Pedal LED
(previous item), indicates the amount of controller
CPU activity. For details, see the following table.
Gas pedal LED
status
Idle task LED
status
Controller CPU activity level
Off Blinking 0–25%
Blinking Off 25–50%
On steadily Off 50–75%
On steadily On steadily 75–100%
Battery pack LEDs
Item ID Color Description
1 Green System Power LED. This LED glows steadily when the
system is powered up and 12 V system power is
available. This power supply is used to maintain the
battery charge and provide supplementary power to the
cache microcontroller.