Removing A Sas Hard Disk Drive; Installing Memory Modules - IBM HS21 - BladeCenter - 8853 User Manual

Removing a SAS hard disk drive

The following illustration shows how to remove a SAS hard disk drive.
Hard disk drive
release lever
To remove a SAS hard disk drive, complete the following steps:
1. Read the safety information that begins on page v and "Installation guidelines"
2. If the blade server is installed in a BladeCenter unit, remove it (see "Removing
3. Carefully lay the blade server on a flat, static-protective surface.
4. Open the blade server cover (see "Opening the blade server cover" on page 18
5. If a Memory and I/O Expansion Blade is installed, remove it (see "Removing an
6. Locate SAS connector 0 (J136) or SAS connector 1 (J137). Slowly pull the blue
7. 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 you
install DIMMs:
v The system board contains four DIMM connectors. If an optional IBM
v The DIMM options that are available for the blade server are 512 MB, 1 GB, 2
22
BladeCenter HS21 Type 8853: Installation and User's Guide
SAS ID 1
SAS ID 0
Hard disk
drive release
lever
on page 15.
the blade server from the BladeCenter unit" on page 17 for instructions).
for instructions).
expansion unit" on page 19).
lever at the back of the hard disk drive tray away from the hard disk drive to
disengage the drive from its tray.
BladeCenter Memory and I/O Expansion Blade is installed on your blade server,
it provides four additional DIMM connectors. The server supports two-way
memory interleaving.
GB, and 4 GB. Depending on the memory configuration set in the
Configuration/Setup Utility program, the blade server can support a minimum of 1
GB and a maximum of 16 GB of the system memory in the system board and a
maximum of 32 GB of system memory when an optional IBM BladeCenter
Memory and I/O Expansion Blade is installed.