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Silencing the alarm is temporary. If the cause of failure still exists or if an additional
failure is detected, then the alarm sounds again when the system is rebooted. Disabling the
alarm is persistent across errors and reboots. When the alarm is disabled, a failure does not
cause it to sound until it is re-enabled.
The rebuild alarm tone functions differently. It remains ON during the rebuild. After the
rebuild completes, an alarm with a different tone sounds to signal that the rebuild is
complete. This is a one-time, non-repeating tone.
LED Placement and Function
The Intel
RMS25CB040 contain the following LEDs:
•
One surface-mounted heartbeat LED (Green Color) to indicate SAS2208 activity.
•
Another two surface-mounted system error LEDs (Amber Color) to indicate a
board error.
SAS/SATA Connectors
The Intel
internal SFF8087 SAS/SATA signal connectors. The Intel
RMS25PB040 and RMS25CB040 provide one internal SFF8087 SAS/SATA signal
connector. Each SFF8087 connector provides support for four SAS/SATA ports. The
sideband signals are configured to adhere to the SFF-8485 Specifications for SGPIO
support.
SAS/SATA Connector Pin-out
Signal names are with respect to the host; the device connected to the host reverses the
signal names. Transmit pins connect to receive pins on the other device. The SAS/SATA
connector is keyed at pin 1. These pin-outs for the serial ATA connector are not
compatible with the legacy PATA connector.
Intel® Integrated RAID Module RMS25PB0x0 and RMS25CB0x0 Hardware User's Guide
®
Integrated RAID Module RMS25PB080, RMS25PB040, RMS25CB080 and
®
Integrated RAID Module RMS25PB080 and RMS25CB080 provide two
Internal connector
Figure 13. Internal SFF8087 SAS/SATA signal connectors
®
Integrated RAID Module
21
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