Hi Andy, I based my comments on the age, around 2000 ! But I do agree in this day and age ! ;-)
On Saturday 08 July 2006 21:05, Andy Medina Inscribed Thus: > On Sat, 8 Jul 2006, Gaffer wrote: > > I will bet that the ram stick has chips on both sides ! > > That would be a high density stick. A low density would only > > have chips on one side. The mainboard failing to see one side > > of the ram stick is quite common ! > > That would be a *double sided* stick, not a *high density* > stick. A double sided memory module is more likely to be low > density rather than high density. This is because the *memory > chips* used are of a lower capacity (lower density). More chips > are needed compared to an equivalent sized memory module using > higher capacity (higher density) memory chips. IOW density is > in reference to the size (aaMb x b) of the memory *chips* that > make up the memory module. > > Here's another way to look at this: > > ---------------------------- > <http://www.ordersite.com/canadaram/terms.htm> > > Density: > > "When a RAM module is built, the manufacturer can design it > using high density or low density chips. For example, modules > built with 4 x 32Mb chips, 8 x 16Mb chips or 16 x 8Mb chips all > come out to the same amount of RAM. However, the memory > controller circuit in a computer must be able to address the > chips on the module - if the memory controller cannot address > higher density chips, that computer will only function with > modules built with lower density chips." > ---------------------------- > > Here's another ram vendor's definition of density (and a > caution): > > ---------------------------- > <http://www.pcboost.com/store/listmemory.asp?IDCategory=94> > > "DO NOT PURCHASE ANY HIGH DENSITY MEMORY FROM ANYONE UNTIL YOU > PERSONALLY HAVE SEEN THE ACTUAL DOCUMENTATION SHOWING THAT YOUR > SYSTEM CAN READ 1.5GB OR MORE MAXIMUM MEMORY. DON'T TRUST > SOMEONE'S OPINION - SEE THE ACTUAL PRINTED DOCUMENTATION > SHOWING 1.5GB OR MORE MAXIMUM MEMORY CAPABILITY BEFORE YOU BUY > ANY HIGH DENSITY MEMORY FROM ANY COMPANY" > > " High Density = For systems that can accept 1.5GB or more > maximum total system memory > Standard Density = For Systems that can accept up to 512MB in > any memory slot > Low Density = For systems that can accept 512MB, 768MB, > 1024MB maximum total system memory" > ---------------------------- > > It seems (my observation only): > > Memory modules 1Gb and over are most likely high density > only. Memory modules 64Mb and below are most likely low density > only. That leaves the 512Mb, 256MB, and 128Mb memory modules > with the low/high density option. -- Best Regards: Derrick. Pontefract Linux Users Group. plug at play-net.co.uk -- ---------------------------------------- The WIN-HOME mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html
