Re: largest amount of RAM cache (non ECC or ECC)

lbrtchx@xxxxxxxxx writes:

On Dec 28, 10:27 am, Måns Rullgård <m...@xxxxxxxxx> wrote:
Rodney <m...@xxxxxxxxx> writes:
There are some old boards where memory sticks must be added in pairs
but you probably aren't thinking about one of them.

New PC boards do not require memory modules to be installed pairwise,
but they benefit from it. Installing modules in pairs allows them to
be accessed in parallel, doubling the theoretical memory bandwidth
compared to single, or different, modules.
~
Hmm! Very interesting! I had never heard of that RAID-like stuff with
memory sticks. Does it only pertain the hardware or is the BIOS and OS
involved as well?

Usually referred to as "dual channel", this mode of operation depends
on the chipset (northbridge). Most modern chipsets support it.

I am not a hardware person, but I am currently working on building my
own box from scratch. Any authoritative + good docs (web links or
otherwise) about that stuff? I am mostly interesting on optimizing the
io-subsystem on a X86-based box

The Intel datasheets are all available online, but perhaps they're a
bit too low-level.

--
Måns Rullgård
mans@xxxxxxxxx
.

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