HP Kayak Weirdness

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The Czar's picture
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Joined: Dec 20 2003
Posts: 287

Howdy,

I have an HP Kayak XU 6/450 that started life with a single Pentium II 450, 256MB RAM and a 4GB SCSI HD. It has since been upgraded to a dual Pentium III 550Mhz with 384MB RAM and many HD's.

I recently came into some 512MB sticks of PC133. The stated limit for this rig is 512MB (4x128MB). I decided, just for a larf, I'd see if she'd take 'em. I installed 4 sticks of 512MB and she wouldn't do anything. No video, some disk activity. When I replaced the first 512MB stick with a 128MB stick, I'd get video and Windows would try to boot, but it would give me the "Can't load pci.sys" error, with the option to repair it from the XP disk. This error completely disappears if I remove the 512MB sticks.

At this point, most people would just say "Oh well, it doesn't support that much memory." and move on. But, something is puzzling me. When I start up the computer and it initially does the RAM count, it gets to 128MB, effectively ignoring the 3x512MB sticks in slots 2-4. However, when I get to the "summary" screen, it displays the memory as being 1664MB, with 128MB in the first slot and 512 in each of the other slots. I don't understand why, if the computer can correctly identify the memory modules, that it can't use them.

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Jon's picture
Jon
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Joined: Dec 20 2003
Posts: 2804
The computer is probably able

The computer is probably able to read the SPD info off the DIMMs, but cannot actually address and use them. The compuer knows that they are there because it talks to the SPD chip, but it doesn't understand how to talk to the actual RAM chips themselves.

Read over some of the issues from Tyan about RAM issues. Their FAQ should help, even though you probably don't have a Tyan board in your system.

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The Czar's picture
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Joined: Dec 20 2003
Posts: 287
Ahh, well that makes sense th

Ahh, well that makes sense then. I'll just stick with 4x128MB.

Thanks Jon!

Cheers,

The Czar

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iBook 14" 1.33Ghz/768MB/60GB/10.4.8
Quicksilver 2x1.6Ghz/1536MB/600GB/10.4.8 Server