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Chapter 2Operation 2-6
Expanding Memory
The system has three memory sockets for different RAM modules to expand the
memory up to 256MB. These RAM modules are of a 144-pin SODIMM (Small
Outline Dual In-line Memory Module) type. The DeskNote supports EDO, and
SDRAM operation. The total memory size is automatically detected by the POST
routines. With the following different RAM combinations (for reference), the total
memory size can be:
Bank 0
(64-bit)
Bank 1
(64-bit)
Power
Minimum
Speed
Total Size
32MB 0MB 32MB
32MB 32MB 64MB
64MB 0MB 64MB
64MB 32MB 96MB
64MB 64MB 128MB
128MB 0MB 128MB
128MB 32MB 160MB
128MB 64MB 192MB
128MB 128MB
3.3V
EDO: 60ns
SDRAM:75
MHz
256MB
Note: You can not use the EDO RAM and SDRAM together.