Question about Compaq Presario 2580US Notebook

2 Answers

2x 512mb sticks

I keep having problems with my ram ,
I have 2x256mb of 2700 installed on this and it works fine
Every time i try to install 2x512 sticks of 2700 or 2100 it does not work
tried memtest on all four sticks and they report back they are fine

the 2x512 sticks come back
2700 comes back at 93mb of ram installed
2100 comes back at 193mb of ram installed

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  • Necrowakker Dec 11, 2008

    i was using kingston ps 2100 512mb
    KVR266x64sc25/512

    all was fine, (3 years of use) but now one chip failed, so i went to buy the same model again, and i got them off amazon, .. the sticker says the same thing, but its smaller, guessing its a newer made model of the same ram, but my laptop (presario 2580us) FW. f.25 .. will not accept them, it works fine on another computer reports full use, but my laptop wont show its even installed

    im at my wits end trying to find a way to fix this, please any help would be great

    Patacakes-morgan@hotmail.com


  • Anonymous Aug 03, 2017

    never post emails unles 1000 spams a day
    for 100 years is fun.? yah?

    memtest, omg.

    ran from windows
    ran for BIOS
    ran from FREEDOS boot disks?

    we cant guess what memtest you used nor type or method.
    but is failing sure.
    if the freedos way fails, (my fav)
    then the BIOS way HATES your sticks.
    for a fact.
    my BIOS has page, (power, hit ESC, then hit advanced., the maintence, then hdd or mem test.
    this why is always first, after all if BIOS can find it nobody can.
    if this FAILS NOW
    nobody can, even the top makers cant, kingston.

    RIP the Pentium 4, send it to the land fill where it belongs....
    move up to 4 core processor and 2010 + pC
    leave the 20th Century behind, for sure !

    another memtest runs in a linux boot
    so now I list 4 ways, sadly.

  • Anonymous Aug 03, 2017

    also learn now PNP works;

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  • Compaq Master
  • 848 Answers

A BLAST FROM THE PAST , again and again here.
that mem test fails, that is because BIOS fails the SPD tests on the stick , it can not recognize your sticks
a fact.

is this thing 15 years old
with a Pentium 4 northwood processor. wow.
HP does not support this pc
no OS stated,but dont matter in bios.
Intel dont support P4 now, either, now.
P4 does have strict limits on size and density of Dram.and sticks.

https://support.hp.com/us-en/retired-products

Kingston shows no support
same with Crucial. mem company
leaving what
buying old used memory 15 years old, luck happens .
for from jokers on amazon that never ever seen a P4.
The BIOS is 15 years old now.(near) 2002 processor is the first one, and can be there.
the BIOS old scans the sticks SPD chip
then cant understand it at all.
unless its one of the old sticks made long ago.
BIOS will then rock back clock rates and lower mem. sizes ....
it does that so at least some memory can work
and not lock the system up totally dead,as a brick.
see. learn how BIOS defaults things to understand this.

why not say who's memtests.
there are 4 types and methods, name one,
tell how you did it and sure..
can name even more, I have them all. (just in case)

Posted on Aug 03, 2017

  • Larry Ng
    Larry Ng Aug 03, 2017

    the HP part surfer is not dead, here. slow yes.
    so shows this. just 2 versions there.

    Compaq Presario 2580AG Notebook PC DN658A
    Compaq Presario 2580AT Notebook PC DN515PC

    see those 2 end numbers there, they are motherboard used and thing opted codes.
    omg has a floppy drive and PCMIA slots. wow.
    old...
    658a needs 90watt power pack 65 is no good
    and.
    shows largest stick as
    512MB, 266MHz, 200-pin, PC2100 SO-DIMM
    ATI Radeon IGP 345M (RS200MP) / ALI M1535+ chipset - "South Bridge"
    )
    6 procesors offered (only your serial number tells this , not me, im not HP.
    best one is this.
    Intel Pentium 4-D processor - 2.80GHz (Northwood, 533MHz front side bus, 512KB Level-2 cache, Socket 478)
    so to make the sticks work you need to make
    the Pentium 4 happy and that pesky ALI M11535 happy, in this case
    the Pentium Northwood runs the show here.
    came about in year 2002. 15 years ago.
    intel show shows (no data sheets on it)
    its too old.

    ok you stumped me,, its too old now.
    to find any documents, good luck finding memory this old that works, for sure USED.

  • Larry Ng
    Larry Ng Aug 03, 2017

    try to know, if bios does a PCI scan on it
    and dont under stand the messages there.
    what else can it do.?
    think like this, if 15year old BIOS
    scans new mem chip and cant look into the future
    how can it work?
    it cant.
    not only that but the stick voltage must match
    the BIOS scans the sticks
    and then uses clock rates based on the slowest stick,
    if the BIOS can not ID the stick how can it do that? answer it can no.
    this BIOS process is called
    serial presence detect (SPD) during BIOS post.
    your BIOS is 15 years old (or near)
    there is a tiny chip in the stick
    this chip is IDent chip with a message inside
    it tells the BIOS what stick you bought.
    the message is this complex.https://en.wikipedia.org/wiki/Serial_pre...

    if your old bios does not understand what is in the message it will fail.
    this is just step one, it gets harder from here on, clock rates, density rules, etc.

    study how MMC work
    memory control modules, most are inside the CPU.

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  • Contributor
  • 9 Answers

Are you using an older AMD processor? older socket 939 AMD processors had the memory controllers built into the chip and tended to be a bit wonky with RAM. If you have 4 Ram slots check to see if they are different colors and try to insert the RAM into every other slot matching the colors.

Posted on Aug 03, 2017

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sandrew
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SOURCE: Acer travelmate 230

yes they should do, the board should be backward compatable, as 2100 266mhz is hard to come by nowadays

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emissionwiz
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SOURCE: Compaq NX6325 Laptop Manual says

I have researched this and u have but one usable RAM memory slot, the other slot is not supported on your board, suggest u use a 1-2GB in the main slot where the stick goes that u have, go the web link for memeory sticks that can fill your needs up to 2GB in the one slot.

http://www.edgetechcorp.com/memory/upgrade.asp?cid=31012

Posted on Sep 24, 2010

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