Field Service Documentation 1
Snap Server 4500
Copyright © 2009, Overland Storage, Inc. All rights reserved. Information in this document is subject to change without notice and does
not represent a commitment on the part of Overland Storage or any of its subsidiaries.
Installing a SAS HBA Card
The SAS HBA card is required for connectivity to an S50 expansion array.
Caution There are static-sensitive electronics inside the unit. Before you handle any
parts, make sure you are working at a static-controlled workstation and that you are
properly grounded.
Shutting Down the Server
Power down the server before you make any repairs. Improper shutdown may lead to
loss of data or physical harm.
1 To start the shutdown process, press the power
button on the front of the server.
The green power LED remains lit until the shutdown
process is complete. DO NOT disconnect the AC
power cord while the LED remains lit.
2 After the power LED is off, disconnect the AC power cord(s) and all other cables
from the back of the server.
3 The server is heavy. With the help of an assistant, remove the server from the
rack to a clean surface with ample room to the front and rear.
Removing the Top Cover and SCSI Card
1 Remove the top cover of the Snap Server by turning the cover retention screw at
the back of the server counterclockwise until it becomes loose.
Installing a SAS HBA Card Snap Server 4500
2 Field Service Documentation
Copyright © 2009, Overland Storage, Inc. All rights reserved. Information in this document is subject to change without notice and does
not represent a commitment on the part of Overland Storage or any of its subsidiaries.
2 Standing in front of the server, press down firmly on the cover with both hands,
and push the cover backwards with a short, forceful thrust. Slide the cover off
the rear of the server and set it aside.
3 Remove the plastic PCI retention clip from the right rear corner of the server by
lifting it out of the chassis.
4 If a SCSI card is installed, remove the card and set it aside. Avoid contact with
metal surfaces on the card.
Installing the SAS Card and Reinserting the SCSI Card
PCI cards are seated properly only when you hear a distinct “snap” sound.
1 Remove the metal protective plate from the bottom PCI port opening by using
your thumb to slide the plate towards the corner of the server and lifting it from
the chassis.
2 Remove the SAS card from its protective packaging. Avoid contact with metal
surfaces on the card.
Back right corner of server (back view)
Field Service Documentation 3
Copyright © 2009, Overland Storage, Inc. All rights reserved. Information in this document is subject to change without notice and does
not represent a commitment on the part of Overland Storage or any of its subsidiaries.
Snap Server 4500 Installing a SAS HBA Card
3
Install the SAS HBA card into the lower (PCIX) slot by grasping only the edges
of the card and pressing firmly until it snaps into place.
4 Do one of the following:
• If reinserting the SCSl card to the upper (PCI) slot, grasp only the edges of the
card and press firmly until it snaps into place.
• If you do not have a SCSI card, be sure to replace the metal protective plate on
the top PCI port.
5 Replace the plastic PCI retention clip in the server chassis.
6 Replace the top cover of the Snap Server by lowering it onto the server and
pushing it forward until it is firmly seated. To secure the cover, tighten the screw
at the rear of the server. Do not operate the Snap Server without the top cover in
place.
7 Replace the Snap Server in the rack and reconnect the cables.
PCIX
PCI
SCSI
SAS HBA
Back right corner of server (back view)
Installing a SAS HBA Card Snap Server 4500
4 Field Service Documentation
Copyright © 2009, Overland Storage, Inc. All rights reserved. Information in this document is subject to change without notice and does
not represent a commitment on the part of Overland Storage or any of its subsidiaries.
Restoring Power to the Server
1 If you disconnected the Ethernet cable(s), reattach
them to the server.
2 Connect the power cord.
3 Press the power button on the front of the server.
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