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Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?

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Old 01-30-2007, 06:57 AM   #1
Phyrexicaid
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Location: JHB - South Africa
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Correct type of RAM for P3


Hi,

My Pentium III 1138 Mhz computer is in desperate need of a RAM upgrade, I'm just not sure what type to get for it.

My gut says that it should be SDR133. Am I right? If I go for the following, will it be compatible?
256MB SDR133 CL3 DESKTOP INTEL CENTRINO

Regards,
Dave
 
Old 01-30-2007, 07:33 AM   #2
farslayer
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You could use lshw to see if you can list the information about your system...

Code:
*-memory
          description: System Memory
          physical id: 1000
          slot: System board or motherboard
          size: 256MB
          capacity: 512MB
        *-bank:0
             description: DIMM SDRAM Synchronous 133 MHz (7.5 ns)
             physical id: 0
             slot: DIMM_A
             size: 128MB
             width: 64 bits
             clock: 133MHz (7.5188ns)
        *-bank:1
             description: DIMM SDRAM Synchronous 133 MHz (7.5 ns)
             physical id: 1
             slot: DIMM_B
             size: 128MB
             width: 64 bits
             clock: 133MHz (7.5188ns)
That's pretty specific information about the memory in this PIII 933 system.. certainly enough to determine type and size for replacement memory.. It's even kind enough to let me know the maximum amount of memory this board will support.

What I don't get is why the memory you choose has a Centrino designator.. that's sorta odd..

PC133 SDRAM should be easily obtainable..

One of these Kingston parts would work if you want CL3... or at least be a good reference to use to choose another brand.
http://www.valueram.com/datasheets/KVR133X64C3L_256.pdf
http://www.valueram.com/datasheets/KVR133X64C3L_512.pdf

Last edited by farslayer; 01-30-2007 at 07:39 AM.
 
Old 01-30-2007, 08:01 AM   #3
Phyrexicaid
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Quote:
Originally Posted by farslayer
You could use lshw to see if you can list the information about your system...

Code:
*-memory
          description: System Memory
          physical id: 1000
          slot: System board or motherboard
          size: 256MB
          capacity: 512MB
        *-bank:0
             description: DIMM SDRAM Synchronous 133 MHz (7.5 ns)
             physical id: 0
             slot: DIMM_A
             size: 128MB
             width: 64 bits
             clock: 133MHz (7.5188ns)
        *-bank:1
             description: DIMM SDRAM Synchronous 133 MHz (7.5 ns)
             physical id: 1
             slot: DIMM_B
             size: 128MB
             width: 64 bits
             clock: 133MHz (7.5188ns)
That's pretty specific information about the memory in this PIII 933 system.. certainly enough to determine type and size for replacement memory.. It's even kind enough to let me know the maximum amount of memory this board will support.

What I don't get is why the memory you choose has a Centrino designator.. that's sorta odd..
Well, I'm in South Africa and one of the suppliers has this type of RAM on special. Soo... that's why.

*EDIT* Oh, I see what you're asking now. I have no clue. I didn't even know that a centrino designator would be odd.

Thanks for the help, don't seem to have lshw installed, so going to fix that now.

Quote:
PC133 SDRAM should be easily obtainable..

One of these Kingston parts would work if you want CL3... or at least be a good reference to use to choose another brand.
http://www.valueram.com/datasheets/KVR133X64C3L_256.pdf
http://www.valueram.com/datasheets/KVR133X64C3L_512.pdf

Last edited by Phyrexicaid; 01-30-2007 at 08:15 AM.
 
Old 01-30-2007, 08:26 AM   #4
Phyrexicaid
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Hi,

Here is the result of running lshw. I didn't get quite the same results as you.

My clock does seem to be 133MHz, although it doesn't say that in the memory section. What's the verdict? Can I buy SDRAM 133?

Code:
*-cpu
          description: CPU
          product: Intel(R) Pentium(R) III CPU             1133MHz
          vendor: Intel Corp.
          physical id: 4
          bus info: cpu@0
          version: 6.11.1
          slot: PGA 370
          size: 1133MHz
          capacity: 1200MHz
          width: 32 bits
          clock: 133MHz
          capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr sse
        *-cache:0
             description: L1 cache
             physical id: a
             slot: L1 Cache
             size: 32KB
             capacity: 32KB
             capabilities: pipeline-burst synchronous internal write-back data
        *-cache:1
             description: L2 cache
             physical id: b
             slot: L2 Cache
             size: 256KB
             capacity: 256KB
             capabilities: pipeline-burst synchronous internal write-back data
     *-memory
          description: System Memory
          physical id: 24
          slot: System board or motherboard
          size: 256MB
          capacity: 1GB
        *-bank:0
             description: DIMM DRAM Synchronous
             physical id: 0
             slot: DIMM 1
             size: 256MB
             width: 64 bits
        *-bank:1
             description: DIMM DRAM Synchronous [empty]
             physical id: 1
             slot: DIMM 2
        *-bank:2
             description: DIMM DRAM Synchronous [empty]
             physical id: 2
             slot: DIMM 3
        *-bank:3
             description: DIMM DRAM Synchronous [empty]
             physical id: 3
             slot: DIMM 4
 
Old 01-30-2007, 06:54 PM   #5
farslayer
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From the info listed it looks like your system will accept a maximum of 1 GB of RAM. probably by way of 4 - 256MB SDRAM modules. 133Mhz is the bus speed you will want.

Centrino is usually a designator for mobile devices I thought. So memory with the 'Centrino' designation just seemed odd to me. Make sure that's not a SDRAM Module for a laptop.. they are a bit shorter and won't fit in a desktop motherboard.

And yeah I edited the output of my lshw to only show memory. The DMI (Desktop Management Interface) of the motherboard determines how much info on what devices it will return. also if you run lshw as a regular user or a root you will get different results (more info will be returned when lshw is run as root).
 
  


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