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Last reply by 06-19-2017 Solved
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Does any use E6700 in Optiplex 745?

Dear all,

I find difference result: some one say they can use E6700  but some does not.  Does any one really use E6700 in Optiplex 745?

Thanks,

Eric

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Community Manager
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Eric00886,

Optiplex 745 = PN416 Conroe E6700, 2.66GHz, 4MB, 1066FSB, B2

The Optiplex 745 E/C cannot run the above CPU.


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Community Manager
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Eric00886,

Optiplex 745 = PN416 Conroe E6700, 2.66GHz, 4MB, 1066FSB, B2

The Optiplex 745 E/C cannot run the above CPU.


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Dear Chris,

Thanks for your help.

My Optiplex 745 is minitower and use D820 now. Is it the same with Optiplex 745 E/C?

I am confused: www.dfsdirectsales.com/.../dell_optiplex_745smt_pentium_dual_core_e6700_320_ghz_2_gb_ram_250_gb_hdd_...

This one seems can use E6700.

PS. Sorry for my poor English.

10 Diamond
3544

Their systems have Pentium D dual core NOT E6700 Dual Core.

Intel Pentium D 940 Dual core 3.2GHz 4M/800MHz SL95W

Pentium D logo as of 2005 Pentium D logo as of 2006 Smithfield
Presler
90 nm
65 nm


Intel Pentium Dual-Core E6700 AT80571PH0882ML (BX80571E6700 / BXC80571E6700)

Microarchitecture    Core
Wolfdale-3M
Core stepping  R0 (SLGUF)
CPUID    1067A (SLGUF)
Manufacturing process    0.045 micron

FSB Speed
1066 MHz
Instruction Set
64-bit
Embedded Options Available
No
Supplemental SKU
No
Lithography
45 nm
Max TDP
65 W
VID Voltage Range
0.8500V-1.3625V

Often Confused with

Intel Core 2 Duo E6700 - 2.66 GHz 4M Dual-Core Processor

 


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Dear SpeedStep,

Optiplex 745 specific(www.google.com/url):『Intel® Core™ 2 Duo 1066MHz FSB Socket T with Dual Core technology XD, EM64T, 2MB and up to 4MB L2 cache, EIST and VT (E6000 series)』

I think 745 should support Core 2 Duo E6700, but I never try.

10 Diamond
3544

With a current bios I agree.

HOWEVER Intel Core 2 Duo E6700  is  2.66 GHz   not the 3.2Ghz listed on the Site posted.

Intel® Dual Core™ D940 Presler
(2M Cache, 3.20 GHz, 800 MHz FSB)

Intel® Dual Core™ E6700 Wolfdale
(2M Cache, 3.20 GHz, 1066 MHz FSB)

Intel® Core™2 Duo Processor E6700 Conroe
(4M Cache, 2.66 GHz, 1066 MHz FSB)

The 3.2 GHZ Dual Core E6700  (NOT A CORE 2 DUO)  Does NOT WORK in a 745.

Thats why I believe its a DUAL CORE 3.2 Ghz Pentium D.

I don't have said system so I'm just noting a listing mistake.

The "E6700" is more than one kind of CPU.

The site says

Dell OptiPlex 745/SMT, Pentium Dual Core (E6700) 3.20 GHz, 2 GB RAM, 250 GB HDD, DVDRW, 32-bit Windows XP Home

The OptiPlex 745 features an Intel (Pentium 4HT, Celeron D, Pentium Dual Core, or Core 2 Duo) processor, up to 4GB memory, and is available in four chassis: Desktop (SDT), Mini-Tower (SMT), Small Form Factor (SFF), and Ultra Small Form Factor (USFF).

The Dual Core E6700 is a 45nm CPU and NOT Compatible.  So the name (E6700) is an error.

Its an SL95W

Processor core    Presler
Manufacturing technology (micron)    0.065
Core voltage (V)     1.225 - 1.312

NOT AN

SLGUF

Manufacturing technology (micron)    0.045
Core voltage (V)       0.85 - 1.3625


 


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Dear SpeedStep,

Very thanks for your kindly help. I even do not Intel has produced so much CPU model. Do you think is it a good idea to try Intel® Core™2 Duo Processor E6700 Conroe on Optiplex 745?

Thanks,

Have a good weekend!

2 Bronze
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Dear all,

Very thanks everyone's help. I have finally try E6700 on my 745 and it cannot work. 745 is only sound loudly and display not thing.

Have a good day.

10 Diamond
3544

Optipex 745 Tech Specs

Intel® Core™ 2 Duo 1066MHz FSB Socket T with Dual Core technology XD, EM64T, 2MB and up to 4MB L2 cache, EIST and VT (E6000 series)

Intel® Pentium® D 800MHz FSB Socket T with Dual Core technology XD, EM64T, 2x2MB L2 cache, EIST, and VT on 950/960 (900 series)

Intel® Pentium® D 800MHz FSB Socket T with Dual Core technology XD, EM64T, 2x1MB L2 cache (800 series)

Intel® Pentium® 4 800MHz FSB Socket T with HT, XD, EM64T, and 1MB L2 cache (500 series)

Intel® Celeron® D 533 MHz FSB Socket T with XD and EM64T (300 series)

This would lead me to believe that these work fine.

Intel® Core™2 Duo Processor E6700 (4M Cache, 2.66 GHz, 1066 MHz FSB)
Intel® Core™2 Duo Processor E6600 (4M Cache, 2.40 GHz, 1066 MHz FSB)
Intel® Core™2 Duo Processor E6420 (4M Cache, 2.13 GHz, 1066 MHz FSB)
Intel® Core™2 Duo Processor E6400 (2M Cache, 2.13 GHz, 1066 MHz FSB)
Intel® Core™2 Duo Processor E6320(4M Cache, 1.86 GHz, 1066 MHz FSB)
Intel® Core™2 Duo Processor E6300 (2M Cache, 1.86 GHz, 1066 MHz FSB)

Chris M would have to say what processors were validated with the 745 since I'm only guessing.

:emotion-15:

 


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Dear SPEEDSTEP,

Thanks for your help.

I also think "Intel® Core™2 Duo Processor E6700 (4M Cache, 2.66 GHz, 1066 MHz FSB)" should can work and some 745 with E6700 on ebay...But in my case: My 745 with E6700...745 is very loudly and has nothing on screen; the screen is block and fan very quickly & loudly.   I have update my 745 with new bios and my E6700 can work in my ASUS MB well.

That is why I am very confused.

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