ASROCK H61M-DG3/USB3 Manual De Instrucciones página 8

CAUTION!
1. Due to the operating system limitation, the actual memory size
may be less than 4GB for the reservation for system usage
under Windows
CPU, there is no such limitation. You can use ASRock XFast
RAM to utilize the memory that
2. ASRock XFast RAM is not supported by Microsoft
XP / XP 64-bit.
8
® TM
7 / Vista / XP. For Windows
Windows
ASRock H61M-DG3/USB3 Motherboard
®
OS with 64-bit
®
cannot use.
® ®
Windows