jeremyp79 :
IF you have 64 bit windows it will use all 8gigs.If its 32 bit, the max is 4gigs of ram.
I know, but the mobo doesn't support it.
Current Bus:399(It is in the CPU-Z bar thing on my sig)
Memory
4 GB
Amount: 4 GB
Speed: PC2-6400 MB/sec
Memory upgrade information
Dual channel memory architecture
Two 240-pin DDR2 DIMM sockets
Supported DIMM types:
PC2-5300 (667 MHz)
PC2-6400 (800 MHz)
Non-ECC memory only, unbuffered
Supports 2GB DDR2 DIMMs
This part says I can use 1333 RAM, or am I misreading it?
Memory sockets: 2 x DDR2
Front side bus speeds: 1333/1066/800 MHz
Here is the official HP page for my pc.
http://h20565.www2.hp.com/portal/site/hpsc/template.PAGE/public/kb/docDisplay/?sp4ts.oid=3999463&spf_p.tpst=kbDocDisplay&spf_p.prp_kbDocDisplay=wsrp-navigationalState%3DdocId%253Demr_na-c01869211-31%257CdocLocale%253D%257CcalledBy%253D&javax.portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cachetoken