RE: 4GB installed - RH reports 3.2?!?

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> -----Original Message-----
> From: redhat-list-bounces@xxxxxxxxxx 
> [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Cannon, Andrew
> Sent: Wednesday, September 21, 2005 9:17 AM
> To: Redhat (E-mail)
> Subject: 4GB installed - RH reports 3.2?!?
> 
> Hi All,
> 
> Thanks to those of you who responded with answers to my query 
> on the mouse problem.  I managed to get it sorted by going 
> all the way through the first boot process and it 
> "miraculously" worked fine after booting.  I have to say 
> though, using a GUI with no mouse isn't fun!!!
> 
> Anyway, now to my problem, we have a HP xw4300 with 4GB 
> memory installed.
> The system performs a memory check upon boot up (the first 
> boot reported a CMOS checksum error).  It does a "click" on 
> every 1MB of memory until it passes 3.3GB, then the checks 
> change to every 4MB, up until 4GB is reached (well, 4096MB).
> 
> The BIOS reports 4096 (in 4 x 1GB sticks) when I check it.
> 
> Red Hat (Enterprise linux 3 Update 5 WS) reports only 3290744 
> installed memory, both when I use top, free and even in the 
> boot messages.
> 
> Does Red Hat not recognise the full 4GB memory?
> 
> We are using the 2.4.21-32EL kernel for x86-64 on a P4 650  
> (2Mb cache,
> 3.4GHz)
> 
> Any help would be greatly appreciated.
> 
> Andy
> 
> 
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What does /proc/meminfo report?


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