Intel SR1560SF Service Guide - Page 36

SAS/SATA Backplanes

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SAS/SATA Backplanes The hot-swap drive system can support either an active SAS backplane (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 builtin SAS controller that does not need communication with the baseboard controller or an add-in card. A BC DE O O F G H I J K L O N M AF002361 A. Backplane power B. Slimline USB C. SAS/SATA0 (passive backplane only) D. SAS/SATA1 (passive backplane only) E. SAS/SATA2 (passive backplane only) F. Fan 5 power G. Bridge board connector H. Fan 4 power I. Fan 3 power J. Fan 2 power K. Fan 1 power L. Thumbscrew M. Control panel data N. Control panel USB O. HDD connectors Figure 10. Active/Passive Backplane Components 14 Intel® Server System SR1560SF Service Guide

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14
Intel
®
Server System SR1560SF Service Guide
SAS/SATA Backplanes
The hot-swap drive system can support either an active SAS backplane (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 10. Active/Passive Backplane Components
AF002361
A
F
D
E
C
B
G
H
I
J
L
K
M
N
O
O
O
A.
Backplane power
I.
Fan 3 power
B.
Slimline USB
J.
Fan 2 power
C.
SAS/SATA0 (passive backplane only)
K.
Fan 1 power
D.
SAS/SATA1 (passive backplane only)
L.
Thumbscrew
E.
SAS/SATA2 (passive backplane only)
M.
Control panel data
F.
Fan 5 power
N.
Control panel USB
G.
Bridge board connector
O.
HDD connectors
H.
Fan 4 power