Product guide

QSSC-S4R Server System Product Guide Chapter 1: System Description
Version 1.0
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A hot swap backplane (HSBP) provides power and I/O for the hard disk drives and slimline optical drive. See
“Hot Swap Backplane Board” on page 31 for more information on the HSBP. A separate 4-pin 12V molex power
connector is provided for powering the 5.25” device. I/O for the 5.25” device can be accomplished via one of the
SATA connectors on the mainboard.
Item Description
A Hard disk drives
B Slim line SATA DVD RW drive
C 5.25” device bay
Figure 12. Peripheral Area
Hot-Swap Hard Drive
The hard drive carrier is an assembly that provides guidance for hot swapping. It contains two integrated light
pipes to transfer the LED indicator light driven by the SGPIOs, and an insertion/extraction mechanism that
includes a hard drive bezel.
Item Feature LED State Description
A. Latch
B LED Green Blinking HDD access or spin up/down
C LED Amber – On HDD fault
Amber – Blinking Predictive failure, rebuild, identify
Off No access and no fault
Figure 13. Hard Drive Carrier
Note: For a full description of LED behavior and differences between SAS and SATA drives refer to
Table 17 on page 32.