ASROCK Q1900TM-ITX Manual De Instrucciones página 11

Q1900TM-ITX
Due to limitation, the actual memory size may be less than 4GB for the reservation for
system usage under Windows® 32-bit operating systems. Windows® 64-bit operating systems
do not have such limitations. You can use ASRock XFast RAM to utilize the memory that
Windows® cannot use.
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