N NeoPTLD Platinum Member Nov 23, 2001 2,544 2 81 Aug 9, 2004 #1 Anyone have an idea of what each voltage on power supply primarily powers in a typical computer? My Athlon computer seems to use just the 5V bus for CPU power. All mechanical drives uses 12V... Not sure what 3.3V, -5V, -12V are used for.
Anyone have an idea of what each voltage on power supply primarily powers in a typical computer? My Athlon computer seems to use just the 5V bus for CPU power. All mechanical drives uses 12V... Not sure what 3.3V, -5V, -12V are used for.