4 Gig in new Prec 490 showing as 3 Gig?

[Scott Ehrlich]

BIOS' Memory Info page (author's note - none of these items can be 
changed - just a summary):

Installed Memory = 4.0 FB
Memory Speed = 667 MHz
Memory Channel Mode = Quad
Memory Technology = FB-DIMM DDR2 SDRAM (ECC)

<author's note> - Memory slot diagram shows all slots filled,
each with 512 MB ECC Rank 1 FBD x8 RAM </author's note>

Scott


On Wed, 2 May 2007, Jack Daniel wrote:

> Are the pairs in the memory banks *really* pairs?  I know that Precisions
> want matched pairs in each bank.
>
> Jack
>
>
>> -----Original Message-----
>> From: Scott Ehrlich [mailto:scott at MIT.EDU]
>> Sent: Wednesday, May 02, 2007 3:39 PM
>> To: discuss at blu.org
>> Subject: 4 Gig in new Prec 490 showing as 3 Gig?
>>
>>
>> I have 4 gig RAM installed in a brand new Dell Precision
>> Workstation 490
>> (BIOS confirms this) but both Win XP 32-bit and Knoppix 5.1.1
>> show 3 Gig
>> available.
>>
>> What happened to the last 1 gig of memory?
>>
>> Thanks.
>>
>> Scott
>>
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