What do all these memory related BIOS settings actually mean and do!?

  As discussed in another post, I recently put together a new PC with
the ASUS A8N-E Motherboard.  The MB has the NVIDIA nForce 4 Ultra chip
set, and a Phoenix-Award BIOS (Phoenix - AwardBIOS v6.00PG, 04/07/06,
also listed as ASUS A8N-E ACPI BIOS Revision 1013).  The processor is
the AMD Athlon 64 3500+, External clock 200 MHz.  Memory:  1 Gig of
Corsair Memory CMX512-3200C2PT (2 x  500 Meg DDR 400 chips)

Unfortunately, the manual that comes with the board does not clearly
explain several key BIOS parameters related to system performance.  I
have searched the ASUS, AMD, NVIDIA, and Phoenix-Award web sites in
vain for detailed discussion.

I am not looking to overclock the CPU -- I have no desire to risk
overheating -- but I do want to be sure I am getting the optimum
performance from the RAM and system bus.  I am hoping that someone can
either offer explanations of what these various parameters below mean,
or can steer me to a document that has a reasonably detailed
discussion of both what the parameters, what their interactions are,
and especially what are the safe and unsafe settings for them.

The BIOS options that seem like they are probably relevant are the
following:

DRAM configuration
Max Memclock.  Options: DDR 200 DDR 266 DDR 333 DDR 400 DDR 400 DDR
433 DDR 466 . DDR 500 DDR 533 DDR 550 DDR 600
1T/2T memory timing.  Options: 1T/2T
CAS latency.  Options are Auto 2.0 2.5 3.0
RAS to CAS delay.  Options:  auto 2 3 4 5 6 7
Min RAS active time.   Options:  Auto 5 6 7 8 9 10 11 12 13 14 15
Row Precharge Time.  Options:  auto 2 3 4 5 6
Master ECC enabled.  Options:  disabled enabled
Hyper transport frequency.  Options:  Auto 1x 2x … 5x
Overclock profile.  Options:  Manual / auto / standard / AI overclock
/ AI N.O.S.

For manual overclocking:
CPU frequency  [set at 200 by default]
PCI express clock:  100 MHz up to 145 MHz
CPU multiplier: x4 up to x20
N.O.S.  Option:  Disable Overclock 3% 5% 8% 10%

Thanks in advance for all replies.

Steve O.

"Spying On The College Of Your Choice" -- How to pick the college that is the
Best Match for a high school student's needs.
www.SpyingOnTheCollegeOfYourChoice.com

 Off-topic cross post that could have been kept in the immediately
prior cross post about the same subject.

See also:
Message-ID: <ggp4c2h7nr854uvpn5elvv3nk3it95imn2 4ax.com>
 

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Subject: What do all these memory related BIOS settings actually mean and do!?
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As discussed in another post, I recently put together a new PC with
the ASUS A8N-E Motherboard.  

<Snip>

Thanks in advance for all replies.

Steve O.

"Spying On The College Of Your Choice" -- How to pick the college that is the
Best Match for a high school student's needs.
www.SpyingOnTheCollegeOfYourChoice.com

 

You get to like that or lump it.


Makes a lot more sense to start a new thread.

 

Is that worse than repetitively making top-posts which quote the entire
header?

<SNIP>>
--
Rgds, George Macdonald

 Yes.


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From: George Macdonald <fammacd=!SPAM^nothanks tellurian.com>
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Subject: Re: What do all these memory related BIOS settings actually mean and
do!?
Date: Sun, 23 Jul 2006 04:18:39 -0400
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On Sat, 22 Jul 2006 23:24:16 GMT, John Doe <jdoe usenetlove.invalid> wrote:


Is that worse than repetitively making top-posts which quote the entire
header?

<SNIP>>
--
Rgds, George Macdonald