Technical Product Specification

Storage and Peripheral Drive Bays Intel® Server System P4000IP and Intel® Workstation System P4000CR Family TPS
Revision 1.2 Intel order number G38159-002
89
Table 100. 3.5'' Hard Disk Drive Activity LED States
Green
Condition
Drive
Type
Behavior
Power on with no drive activity
SAS
LED stays on
SATA
LED stays off
Power on with drive activity
SAS
LED blinks off when processing a
command
SATA
LED blinks on when processing a
command
Power on and drive spun down
SAS
LED stays off
SATA
LED stays off
Power on and drive spinning
up
SAS
LED blinks
SATA
LED stays off
4.2.1 3.5'' Drive Hot-Swap Backplane Overview
The backplane mount to the back of the drive bay assembly. On the front side the back plane
are mounted eight hard disk drive interface connectors (A), each providing both power and I/O
signals to the attached hard disk drives.
Figure 40. 3.5'' Backplane, Front Side
On the backside of each backplane are several connectors. The following illustration identifies
each.