Chapter 1: Components
4U56 Drive System
QX and QXS Setup Guide 27
Host Ports Configured with 12 Gbit/s HD mini-SAS
Figure 34 below shows a controller I/O Module with host interface ports configured with 12 Gbit/s HD mini-
SAS (SFF-8644) connectors.
Figure34:Host Ports Configured with HD mini-SAS
CACHE
CLI
CLI
LINK
ACT
6Gb/s
SERVICE−1SERVICE−2
ACT
LINK
12Gb/s
S
S
A
ACT
LINK
SAS 0 SAS 1
ACT
LINK
12Gb/s
S
S
A
ACT
LINK
SAS 2 SAS 3
2 3 4 5
6
7 8
1
1. HDMini-SASPorts(usedforhostconnection)
2. CLIPort(USB-TypeB)
3. ServicePort2(usedbyservicepersonnelonly)
4. ReservedforFutureUse
5. NetworkPort
6. ServicePort1(usedbyservicepersonnelonly)
7. DisabledButton(usedbyengineeringonly)
(Stickershowncoveringtheopening)
8. Mini-SASExpansionPort