Re: Another missing RAM on x86_64

Robert Hancock
2007-06-06T23:48:38Z

Reinaldo de Carvalho wrote:
> This laptop have a nVidia 10de:0244 with 256Mb of RAM. No shared memory.
>
>
> Reinaldo de Carvalho
>
>
>
> 00:05.0 VGA compatible controller: nVidia Corporation C51 PCI Express
> Bridge (rev a2) (prog-if 00 [VGA])
> Subsystem: Hewlett-Packard Company Unknown device 30b5
> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
> ParErr- Stepping- SERR- FastB2B-
> Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
> <TAbort- <MAbort- >SERR- <PERR-
> Latency: 0
> Interrupt: pin A routed to IRQ 21
> Region 0: Memory at c2000000 (32-bit, non-prefetchable) [size=16M]
> Region 1: Memory at d0000000 (64-bit, prefetchable) [size=256M]
> Region 3: Memory at c1000000 (64-bit, non-prefetchable) [size=16M]
> [virtual] Expansion ROM at 50000000 [disabled] [size=128K]
> Capabilities: [48] Power Management version 2
> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
> PME(D0-,D1-,D2-,D3hot-,D3cold-)
> Status: D0 PME-Enable- DSel=0 DScale=0 PME-
> Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+
> Queue=0/0 Enable-
> Address: 0000000000000000 Data: 0000

It's a bit mysterious, then, where the extra 40-some MB of RAM has gone.
However, there's not much the kernel can do about it, as the BIOS is not
telling us about that memory..

--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/