Re: how to check memory type?

[Zhengquan Zhang <zhang.zhengquan@gmail.com>]

On Mon, Apr 27, 2009 at 02:21:37PM -0500, Stackpole, Chris wrote:
> > From: Zhengquan Zhang [mailto:zhang.zhengquan@gmail.com]
> > Sent: Monday, April 27, 2009 2:11 PM
> > Subject: how to check memory type?
> > 
> > Dear debian community,
> > 
> > I was looking for commands to check detailed memory info. (not usage
> > info but type and manufacturer info). I have no idea what memory type
> > our server is using and we want to add more rams to it.
> > 
> > Particularly I don't know whether it is DDR or DDR2 or DDR3
> > and i would like to know if it is DIMM 240pin or 184pin or others.
> 
> Try dmidecode as root. It should give you the stats on the memory
> currently in the system. Also take a look at the package lshw (probably
> have to install with `apt-get install lshw`). You can specify to show
> only the memory with: `lshw -c Memory`

Thanks Stackpole, I got to know the motherboard is intel S5000PSL. I
wonder if this can help to know the memory type.

Thanks!

here is the output of "lshw -C Memory"

**************************************************
  *-firmware
       description: BIOS
       vendor: Intel Corporation
       physical id: 5
       version: S5000.86B.05.00.0070.111720061421 (11/17/2006)
       size: 96KB
       capacity: 4032KB
       capabilities: pci pnp upgrade shadowing cdboot bootselect edd int5printscreen int9keyboard int14serial int10video acpi usb ls120boot zipboot biosbootspecification netboot
  *-cache:0
       description: L2 cache
       physical id: 33
       slot: L2-Cache
       size: 8MB
       capacity: 8MB
       capabilities: asynchronous internal write-back unified
  *-cache:1
       description: L1 cache
       physical id: 34
       slot: L1-Cache
       size: 128KB
       capacity: 128KB
       capabilities: asynchronous internal write-back data
  *-memory
       description: System Memory
       physical id: 36
       slot: System board or motherboard
       size: 2GB
     *-bank:0
          description: DIMM Synchronous 667 MHz (1.5 ns)
          physical id: 0
          slot: ONBOARD DIMM_A1
          size: 1GB
          width: 64 bits
          clock: 667MHz (1.49925ns)
     *-bank:1
          description: DIMM Synchronous [empty]
          physical id: 1
          slot: ONBOARD DIMM_A2
     *-bank:2
          description: DIMM Synchronous 667 MHz (1.5 ns)
          physical id: 2
          slot: ONBOARD DIMM_B1
          size: 1GB
          width: 64 bits
          clock: 667MHz (1.49925ns)
     *-bank:3
          description: DIMM Synchronous [empty]
          physical id: 3
          slot: ONBOARD DIMM_B2
     *-bank:4
          description: DIMM Synchronous [empty]
          physical id: 4
          slot: ONBOARD DIMM_C1
     *-bank:5
          description: DIMM Synchronous [empty]
          physical id: 5
          slot: ONBOARD DIMM_C2
     *-bank:6
          description: DIMM Synchronous [empty]
          physical id: 6
          slot: ONBOARD DIMM_D1
     *-bank:7
          description: DIMM Synchronous [empty]
          physical id: 7
          slot: ONBOARD DIMM_D2

-- 
Zhengquan