Led Display During Controller Idle; Led Display During Controller Active - HP P5389A - Intel Pentium III-S 1.4 GHz Processor Upgrade User Manual

Table 2-2: LED Display During Power-Up
Condition
Memory mapped I/O
Bridge
Fast idle

LED Display During Controller Idle

When no commands are in progress and all bus activity has ceased, the controller
enters the idle state. This is indicated by a rotating pattern in LEDs 1 through 8.

LED Display During Controller Active

When the power-up sequence is complete, viewing the LEDs can help you determine
the operating status of the controller. These LED patterns are also useful for
troubleshooting. For more information on interpreting LED patterns, refer to
Appendix C, "Troubleshooting."
Table 2-3: LED Display During Controller Active
LED Function
1 Heartbeat. Indicates that controller interrupts are enabled and that
the controller is alive. During controller activity, this LED flashes
four times a second.
2 Indicates the occurrence of a non-maskable interrupt (NMI) to the
I/O processor on the controller.
HP 2100S SCSI RAID Controller User Guide
LED Display
LEDs 6 and 7 and LEDs 5 and 8 flash
alternately while the controller waits for the host
computer to initialize the ATU on the PCI bus.
LEDs 5 and 7 and LEDs 6 and 8 flash
alternately while the controller waits for the host
computer to initialize its PCI-to-PCI bridge.
The controller enters a fast idle pattern while
waiting for the I O initialization commands after
2
the address translation unit (ATU) and PCI
bridge have been enabled.
About Your New Controller
continued
2-7