Re: [gentoo-user] Is lshw reporting correctly?

[Mick]

On Tuesday 23 Dec 2014 21:53:07 Poison BL. wrote:
> On Tue, Dec 23, 2014 at 1:53 PM, Mick <michaelkintzios@×××××.com> wrote:
> > This is what I see when I plugged in two memory modules:
> > =======================================================
> >
> >      *-memory
> >
> >           description: System Memory
> >           physical id: 2f
> >           slot: System board or motherboard
> >           size: 16GiB
> >
> >         *-bank:0
> >
> >              description: DIMM DDR3 Synchronous 1333 MHz (0.8 ns)
> >              product: Array1_PartNumber1
> >              vendor: A1_Manufacturer1
> >              physical id: 0
> >              serial: A1_SerNum1
> >              slot: DIMM_A1
> >              size: 8GiB
> >              width: 64 bits
> >              clock: 1333MHz (0.8ns)
> >
> >         *-bank:1
> >
> >              description: [empty]
> >              product: Array1_PartNumber0
> >              vendor: A1_Manufacturer0
> >              physical id: 1
> >              serial: A1_SerNum0
> >              slot: DIMM_A2
> >
> >         *-bank:2
> >
> >              description: DIMM DDR3 Synchronous 1333 MHz (0.8 ns)
> >              product: F3-2133C9-8GXH
> >              vendor: Undefined
> >              physical id: 2
> >              serial: 00000000
> >              slot: DIMM_B1
> >              size: 8GiB
> >              width: 64 bits
> >              clock: 1333MHz (0.8ns)
> >
> >         *-bank:3
> >
> >              description: [empty]
> >              product: Array1_PartNumber3
> >              vendor: A1_Manufacturer3
> >              physical id: 3
> >              serial: A1_SerNum3
> >              slot: DIMM_B2
> >
> > ========================================
> >
> > These were bought as a set from Amazon:
> >
> > http://www.amazon.co.uk/Ripjaws-PC17000-2133MHz-Memory-Platforms/dp/B007C
> > OT274/
> >
> > but as you can see above only the second module reports a product code
> > (product: F3-2133C9-8GXH), while the first module shows
> > "Array1_PartNumber1".
> >
> > Is this normal?  Is there something wrong with the memory module(s), the
> > MoBo, or even the lshw command?
> >
> > --
> > Regards,
> > Mick
>
> Primarily, I suspect that anything over about 1600MHz is going to
> require poking the bios (or uefi) to actually run it at its spec'd
> clock (enabling following the XMP profile defined by the ram, if the
> mobo directly supports doing so, is usually all it takes), otherwise
> it down-steps to either 1333 or 1600 as 'standard' defined speeds for
> ddr3.

I've set the UEFI memory menu to 'Automatic', so I expect that when I start 
compiling stuff it will increase to higher settings.


> As for why it's not reporting the product, vendor, and s/n's
> properly, I'm not sure. I'd try swapping them to see if the issue
> moves with them, but as long as they're actually able to run stable
> (and reliably) at their spec'd rates, and they really are the sizes
> they claim, I'd be inclined not to care whether the nvram values
> beyond the speed profiles are read properly.

I've swapped them and I can see that lshw displays exactly the same 
information, so it seems like a MoBo issue.  Hmmm ... 

I know now that the memory is OK.  I'll finish the gentoo installation and 
then I will flash the UEFI firmware with a more recent version to see if it is 
caused by dodgy firmware.

Thanks for your help.
-- 
Regards,
Mick