Adding SDRAM Memory - Compaq Deskpro in reboot loop

I have a number of Compaq Deskpro EP/SB PC's with 128MB SDRAM.

I want to add memory to these desktops but each type of memory I have purchased makes the
computer reboot after the W2K Pro splash screen has appeared.  This will then continually loop if I let it.

I have spoke to the supplier of the memory and they mentioned that I had purchased non-ECC memory and that this may be the problem.(Conflicting with ECC memory)

Firstly how do I check that the original memory in the machine is running ECC memory.

Secondly if the desktops are not running ECC memory what would be be causing the machine to reboot?

Any help would be very appreciated.

Thanks
juninhoisgodAsked:
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livepcliveCommented:
Adrian DobrotaNetworking EngineerCommented:
If my memory serves me well, AIDA32 can tell you about ECC
www.aida32.hu
Adrian DobrotaNetworking EngineerCommented:
a good memory tester can be found here: www.memtest86.com
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Glen A.IT Project ManagerCommented:
The exact model of your deskpro's would be helpful, as was mentioned.
juninhoisgodAuthor Commented:
Sorry, for not responding sooner to your answers.

Thanks for your help but I found the solution elsewhere.

I spoke to Crucial memory UK helpdesk, they recommended doubling the virtual memory compared to the new physical amount before installing the new memory module.

I did this and changed the virtual memory to 768MB, as the new physical memory was going to be 384MB RAM.

I installed the new 256MB SDRAM module and the PC booted up as normal.

Problem sorted!!

Glen A.IT Project ManagerCommented:
juninhoisgod:  You can post a question in the CS (Community Support) topic area asking that this question be deleted and points refunded back to you.

Ab.
waffleironheadCommented:
No comment has been added lately, so it's time to clean up this TA.
I will leave a recommendation in the Cleanup topic area that this question is:

paq/refund

Please leave any comments here within the next four days.

PLEASE DO NOT ACCEPT THIS COMMENT AS AN ANSWER!

waffleironhead
EE Cleanup Volunteer
Computer101Commented:
PAQed, with points refunded (250)

Computer101
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