IBM BladeCenter HS20, Installation And User Manual

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Removing a SAS hard disk drive
The following illustration shows how to remove a SAS hard disk drive.
SAS ID 0
SAS ID 1
Hard
drive
release
lever
Hard drive
release
lever
To remove a SAS hard disk drive, complete the following steps:
1. Read the safety information beginning on page v and “Installation guidelines” on
page 21.
2. Shutdown the operating system, turn off the blade server, and remove the blade
server from the BladeCenter unit. See “Removing the blade server from the
BladeCenter unit” on page 22 for instructions.
3. Carefully lay the blade server on a flat, non-conductive surface.
4. Open the blade server cover (see “Opening the blade server cover” on page 23
for instructions).
5. Locate SAS connector 0 or SAS connector 1. Pull the blue lever at the back of
the hard disk drive tray away from the hard disk drive to disengage the drive
from its tray.
6. From the rear edge of the drive, slide the drive out of the SAS connector.
Installing memory modules
The following notes describe the types of dual inline memory modules (DIMMs) that
the blade server supports and other information that you must consider when
installing DIMMs:
v
The system board contains four DIMM connectors and supports two-way memory
interleaving.
v
A DIMM option consists of a pair of DIMMs. The DIMM options available for the
blade server are 1 GB (2 x 512 MB), 2 GB (2 x 1 GB), 4 GB (2 x 2 GB), and 8
GB (2 x 4 GB). Depending on the memory configuration set in blade server
BIOS, the blade server can support a minimum of 1 GB and a maximum of 16
GB of system memory.
v The blade server comes with two DIMMs, in the DIMM 1 and DIMM 2 memory
connectors.
v
When you install additional DIMMs, be sure to install them as a pair, in DIMM
connectors 3 and 4.
Chapter 3. Installing options
25