512 sdram reported as 511?

  BrianW 13:31 11 Feb 03
Locked

Running win 98se with duron 750 on a QDI kinetiz 7b board. Just added a second strip of 256 mb 133 sd-ram, making 512 in total. AIDA-32 reports as 512 mb ram and records each strips properties correctly but my "computer / properties" reports as it as 511mb. Doesn't seem to be a problem but I am intrigued to know why. Can anybody shed any light on this? ;>{}

  Lozzy 13:51 11 Feb 03

Shouldn't worry about it

  BrianW 16:09 12 Feb 03

one more go to see if there are any ideas - then I will "Resolve"

  « Ravin » 16:48 12 Feb 03

normally gets allocated to video memory i think unless your using a graphics card with lot of memory.

  « Ravin » 16:53 12 Feb 03

i mean if you have a graphics card with more memory you'll be able to use the entire amount of RAM. previously when i used a 16mb graphics card windows used to display 510 mb of RAM available but after upgrading to a 64 mb one, it shows 512 mb available

  dth 17:13 12 Feb 03

I think the ram chips are slightly less than 256 (ie 255 plus a percentage - that rounded up gives 256). One of the measures is rounding up hence 512 and the other rounding down giving the 511 figure.

  Ben Avery 17:40 12 Feb 03

According to my System Properties I'm running 523,740 with 2 sicks of 256 DDR!

BA

  « Ravin » 17:43 12 Feb 03

that comes to 511.48 mb ;o)

maybe this was what dth was trying to tell us?

how come mine reports it as 512 then????

  BrianW 17:51 12 Feb 03

Ravin - thanks, I've got a 64mb DDR ram card - so think its unlikely that its pinching the extra meg. dth - you could be right. Oh well, any system that expects you to type "Ctrl/Alt/Del" to reboot can't be expected to be logical I suppose - thnaks for the responses, Brian. ;>}}

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