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352 posts

Ultimate Geek

#62533 9-Jun-2010 12:44
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Hi I am using a pre-leased IBM Small factor Desktop and think about upgrade it purely due to power consumption consideration. As it is currently used as a file server.

The problem is I can not find the manual, and don't want crack open it yet.

The CPU info I got is:

cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 15
model           : 3
model name      : Intel(R) Celeron(R) CPU 2.53GHz
stepping        : 4
cpu MHz         : 2527.171
cache size      : 256 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 3
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe constant_tsc up pebs bts pni monitor ds_cpl cid xtpr
bogomips        : 5059.52
clflush size    : 64
power management:

From the Wikipedia ariticle I am reading, it could be either LGA 775 or Socket 478 based on CPU speed and cache size, which one it is?

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2297 posts

Uber Geek


  #339801 9-Jun-2010 14:14
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Is it running Windows?

You could always download CPU-Z and have it tell you.

I hate you.

4410 posts

Uber Geek

Lifetime subscriber

  #339806 9-Jun-2010 14:24
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CPU-Z will tell you the chipset, aswell as the mainboard model, so you can then look at the manufacturers site to see what CPU's it will support.


1151 posts

Uber Geek

  #339810 9-Jun-2010 14:40
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the IBM small form factors have their model number on the front - e.g. MT-6073-A43

Go to Lenovo's support pages and put in this number and it will give you all the details of that model - including the CPU it shipped with.


352 posts

Ultimate Geek

  #339813 9-Jun-2010 14:50
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Sorry guys, no Windows no CPU-Z, and I am remote SSH though it, so, I don't know which model number it is and couldn't crack open it to read from the CPU or MB right now. Will get the model number once got home.

I was hopping some information such as model num or stepping could used to find out at least what socket it is running.

632 posts

Ultimate Geek

  #339816 9-Jun-2010 15:06
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Install 'cpuid' on it - there should be a package available for your linux distro.


352 posts

Ultimate Geek

  #339853 9-Jun-2010 16:52
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 eax in    eax      ebx      ecx      edx
00000000 00000003 756e6547 6c65746e 49656e69
00000001 00000f34 00010800 0000441d bfebfbff
00000002 605b5101 00000000 00000000 003c7040
00000003 00000000 00000000 00000000 00000000
80000000 80000008 00000000 00000000 00000000
80000001 00000000 00000000 00000000 00000000
80000002 20202020 20202020 20202020 20202020
80000003 65746e49 2952286c 6c654320 6e6f7265
80000004 20295228 20555043 33352e32 007a4847
80000005 00000000 00000000 00000000 00000000
80000006 00000000 00000000 01004040 00000000
80000007 00000000 00000000 00000000 00000000
80000008 00002024 00000000 00000000 00000000

Vendor ID: "GenuineIntel"; CPUID level 3

Intel-specific functions:
Version 00000f34:
Type 0 - Original OEM
Family 15 - Pentium 4
Extended family 0
Model 3 -
Stepping 4
Reserved 0

Extended brand string: "                Intel(R) Celeron(R) CPU 2.53GHz"
CLFLUSH instruction cache line size: 8
Hyper threading siblings: 1

Feature flags bfebfbff:
FPU    Floating Point Unit
VME    Virtual 8086 Mode Enhancements
DE     Debugging Extensions
PSE    Page Size Extensions
TSC    Time Stamp Counter
MSR    Model Specific Registers
PAE    Physical Address Extension
MCE    Machine Check Exception
CX8    COMPXCHG8B Instruction
APIC   On-chip Advanced Programmable Interrupt Controller present and enabled
SEP    Fast System Call
MTRR   Memory Type Range Registers
PGE    PTE Global Flag
MCA    Machine Check Architecture
CMOV   Conditional Move and Compare Instructions
FGPAT  Page Attribute Table
PSE-36 36-bit Page Size Extension
CLFSH  CFLUSH instruction
DS     Debug store
ACPI   Thermal Monitor and Clock Ctrl
MMX    MMX instruction set
FXSR   Fast FP/MMX Streaming SIMD Extensions save/restore
SSE    Streaming SIMD Extensions instruction set
SSE2   SSE2 extensions
SS     Self Snoop
HT     Hyper Threading
TM     Thermal monitor
31     reserved

TLB and cache info:
51: Instruction TLB: 4KB and 2MB or 4MB pages, 128 entries
5b: Data TLB: 4KB and 4MB pages, 64 entries
60: unknown TLB/cache descriptor
40: No 2nd-level cache, or if 2nd-level cache exists, no 3rd-level cache
70: Trace cache: 12K-micro-op, 4-way set assoc
3c: unknown TLB/cache descriptor
Processor serial: 0000-0F34-0000-0000-0000-0000

much verbose, still doesn't really tell me anything. maybe wine with CPU-Z?


352 posts

Ultimate Geek

  #340596 11-Jun-2010 12:37
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Going though Wikipedia and Intel datasheet didn't find out anything useful, I finally give up and
check out the datasheet from IBM. My one is a  Socket 478, and hopefully I can replace it with a Mobile processor.

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