Intel UltraBookIIi, User Manual

Page: 92 / 158

A–4 UltraBookIIi User Guide
System Memory
Memory on the UltraBookIIi is accessed through a 288-
bit data path. UltraBookIIi memory includes ECC
protection. The memory subsystem supports memory of
60 ns access time.
The UltraBookIIi accepts 128 MB, 256 MB, and 512 MB
expansion modules using the following 64 MBit DRAM
configurations:
•
4 M x 16
• 8 M x 8
• 8 M x 16
The UltraBookIIi comes with a minimum memory
configuration of 256 MB. System main memory is
provided through plug-in expansion modules.
Additional memory upgrades provide a maximum
configuration of 1 GB.
Three versions of the main memory module are
available, each providing a different amount of system
memory. Memory modules are user-installable and
must be installed in equivalent pairs.
All memory modules must be installed in
equivalent pairs. If you attempt to mix
128 MB modules with 256 MB or 512 MB
modules, the UltraBookIIi will not function.
Valid Memory
Configuration
Memory Modules Required
256 MB 2 x 128 or 1 x 256
512 MB 2 x 256 or 1 x 512
1 GB 2 x 512