To answer both questions here is my specs and I do not have a multimeter...
AMD Athlon™64 X2 5200
AMD ATHLON64 CERTIFIED CPU FAN & HEATSINK + 3 EXTRA CASE FANS
MOTHERBOARD: (Socket AM2)GigaByte GA-M55SLI-S4 nForce4 SLI Chipset DDR2/800 SATA 16x PCI-Express
Windows XP Home Edition w/ Service Pack 2
POWERSUPPLY: Apevia 600W DARK SIDE POWER (ATX-AS600W-BK)
NVIDIA GeForce 7950 GT 512MB 16X PCI Express
Yeah I did both antivirus and also checked for spyware.