Intel SR1500AL User Guide - Page 34

SAS/SATA Backplanes

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SAS/SATA Backplanes The system can support either an active SAS (Product Code - ASR1500SASBP) or a passive SAS/SATA backplane (Product Code - ASR1500PASBP). The backplanes provide the platform support for peripheral drives and hot-swap SAS or SATA hard drives. To eliminate several cables, the backplanes are also used as a pathway for signals from the server board to various platform interconnects, including those for the control panel and peripheral drives. The passive backplane acts as a 'pass-through' for the SAS/SATA data from the drives to the SATA controller on the server board or a SAS/SATA controller add-in card. It provides the physical requirements for the hot-swap capabilities. The active backplane has a built-in SAS controller that does not need communication with the baseboard controller or an add-in card. A B C D M E F G HI JK L TP02172 A. Backplane Power B. USB Floppy Connector C. SW RAID Activation Key D. Fan 5 Power E. Bridge Board Connector F. Fan 4 Power G. Fan 3 Power H. Fan 2 Power I. Front Panel Connector J. Fan 1 Power K. Screw L. Front Panel USB M. Backplane Connectors Figure 8. Active Backplane Components 12 Intel® Server System SR1500AL User's Guide

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12
Intel
®
Server System SR1500AL User’s Guide
SAS/SATA Backplanes
The system can support either an active SAS (Product Code - ASR1500SASBP) or a
passive SAS/SATA backplane (Product Code - ASR1500PASBP). The backplanes
provide the platform support for peripheral drives and hot-swap SAS or SATA hard
drives. To eliminate several cables, the backplanes are also used as a pathway for signals
from the server board to various platform interconnects, including those for the control
panel and peripheral drives.
The passive backplane acts as a 'pass-through' for the SAS/SATA data from the drives to
the SATA controller on the server board or a SAS/SATA controller add-in card.
It
provides the physical requirements for the hot-swap capabilities.
The active backplane
has a built-in SAS controller that does not need communication with the baseboard
controller or an add-in card.
Figure 8. Active Backplane Components
TP02172
B
A
E
F
J
I
K
H
L
G
M
C
D
A.
Backplane Power
H.
Fan 2 Power
B.
USB Floppy Connector
I.
Front Panel Connector
C.
SW RAID Activation Key
J.
Fan 1 Power
D.
Fan 5 Power
K.
Screw
E.
Bridge Board Connector
L.
Front Panel USB
F.
Fan 4 Power
M.
Backplane Connectors
G.
Fan 3 Power