Installing Memory Modules - IBM eServer BladeCenter JS20 Installation And User Manual

10. If you have other options to install or remove, do so now; otherwise, go to

Installing memory modules

You can increase the amount of memory in your blade server by installing additional
memory-module options. When you install memory, you must install a pair of
matched dual inline memory modules (DIMMs).
Notes:
v The system board contains four DIMM connectors and supports two-way memory
v The DIMM options available for your blade server are 256 MB, 512 MB, and 1
v Both DIMMs in a pair must be the same size, speed, type, and technology. You
v The second pair of DIMMs does not have to be the same size, speed, type, and
v The blade server does not support unregistered DIMMs. Install only 2.5 V,
v PC2700 DIMMs are compatible with earlier specifications and work in the
v Installing or removing DIMMs changes the configuration information for the blade
8. Set any jumpers or switches on the hard disk drive, if this requirement is
specified on the drive label or in the documentation that comes with the drive.
9. Place the hard disk drive into the tray and, from the rear edge of the hard disk
drive, push it into the connector on the riser card until the hard disk drive
moves past the lever at the back of the tray. The hard disk drive clicks into
place.
"Completing the installation" on page 38.
interleaving.
GB. Your blade server supports a minimum of 512 MB and a maximum of 4 GB
of system memory.
can mix compatible DIMMs from various manufacturers.
technology as the first pair.
184-pin, double-data-rate (DDR), PC2700, registered synchronous dynamic
random-access memory (SDRAM) with error correcting code (ECC) DIMMs.
These DIMMs must be compatible with the latest PC2700 SDRAM Registered
DIMM specification, which is available from http://www.jedec.org/. For a list of
supported options for your blade server, go to http://www.ibm.com/pc/us/compat/.
PC2100 and PC1600 DIMM connectors.
server. After you install or remove a DIMM, the new configuration information is
automatically saved in the blade server firmware code. You can verify the latest
configuration information by viewing the blade server firmware code as described
in "Updating the firmware code for your blade server and the service processor"
on page 55.
Chapter 4. Installing and removing options and customer-replaceable units
27