Processor for T23

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misza · #1 Post by **misza** » Tue Jul 04, 2006 3:59 am

Hello Everybody

I'am new on this forum as You can see. Sorry for my english, I know it is not perfect

I have IBM Thinkpad T23 P3-866MHZ. Recently I bought 512MB of RAM and it works great but I wont it to be perfect

I'm thinking about new processor. I know that there was this laptops withe P3-1133MHZ. I have also found T23 with P3-1200MHz, but that model had other graphics card (radeon) than mine (savage). So i think that it has other motherboard then mine?

So please tell me, what processors will fit to my Thinkpad (T23 866MHz S3 Savage 16MB)

Once more sorry for my english

Waiting for any help and responses

BillD · #2 Post by **BillD** » Tue Jul 04, 2006 5:43 am

According to this thread someone thought they had an 866 but it had a 1.13ghz processor in it,so it looks like a 1.13 will work in your machine...

http://forum.thinkpads.com/viewtopic.ph ... hlight=866

pschemo · #3 Post by **pschemo** » Tue Jul 04, 2006 6:04 am

hi =]
It is nice to see another polish guy here =]]
Don`t feel ashamed about your english =]

I also have T23 but with PIII 1,13GHz... =D
I thought that they were all with that processor =]
Maybe you was checking speed during work on the batteries??

BillD · #4 Post by **BillD** » Tue Jul 04, 2006 6:26 am

IBM's site list the T23 with a 866,1.0,1.13 or a 1.2 CPU..So he could have an 866 in his machine..

IMHO if the 1.13 cpu will work in his machine,and it looks like it will,I'd go with that..It's a very good cpu,in many cases it's rated higher then some P4's...

Website · #5 Post by **tfflivemb2** » Tue Jul 04, 2006 7:42 am

What is the full model/type number for your T23? (ie. 2647-4MU)

This will help determine what your real speed is...unless the system was modified, which is highly unlikely.

misza · #6 Post by **misza** » Tue Jul 04, 2006 7:47 am

Thanks for answers

The full model is: 2647-NG8

BillD · #7 Post by **BillD** » Tue Jul 04, 2006 8:11 am

2647-ng8...

From Lenovo site....

Original description: Based on 2647-2TG: PIII-M 1.0GHz (512KB), 256MB RAM, 20.0GB HDD, 14.1 XGA(1024x768) TFT LCD,24x-10x CD-ROM, Modem(MPCI), Ethernet, TV out, Li-Ion battery, Win2000....

Just a guess here but MAYBE the European version had an 866 CPU in it???

But then when I looked under the service parts list it doesn't even list a NG8....Look here:

http://www-307.ibm.com/pc/support/site. ... YYKVY.html

Website · #8 Post by **tfflivemb2** » Tue Jul 04, 2006 8:19 am

I'm going to guess that it is a Speed Step issue. I doubt that it really has an 866mhz processor. If it did, then Lenovo would say that it was based on the 866mhz version.

Since you are running Win2K, I think that you can try running several programs that will tell you the ACTUAL processor speed.

Try using MobileMeter. Another is CPU-Z, but I haven't used that one.

You can also go into your settings and check that you are running at "High System Performance" instead of a battery saving mode.

misza · #9 Post by **misza** » Tue Jul 04, 2006 8:48 am

I am using Linux

Ubuntu ditribution. It shows me that this is Intel(R) Pentium(R) III Mobile CPU 866MHz

current cpu speed: 666.188MHZ
high cpu speed: 866Mhz

At the begining I had Windows XP and Windows 2000 and it show me the same.

What do you think about that

If I buy P3 1133MHz will it be working with it?

Details about processor that i can buy:

Spec Number
SL5CK
Processor Frequency
1.13 GHz
CPUID String
06B1
Package Type
478 pin
Core Voltage
1.400
Bus Speed
133 MHz
Thermal Guideline
21.8W
Core Stepping
FPA1
Thermal Spec
100°C
L2 Cache Size
512 KB
Manufacturing Technology
0.13 micron
L2 Cache Speed
1.13 GHz
Bus/Core Ratio
8.5
Spec Update
http://developer.intel.com/design/mobil ... tation.htm

BillD · #10 Post by **BillD** » Tue Jul 04, 2006 2:23 pm

I don't know about anyone else here but I don't want to say for sure one way or another if a 1.13ghz CPU will work in your machine..

My guess is it should,but something seems weird with your machine. IBM's site doesn't even list a NG8 model,and when I typed in that model number it refers to a 'based on 2tg model' with a 1 ghz CPU..According to their site there was some T23's made with an 866mhz CPU,but your mode(going by the based on 2tg)l doesn't seem like one of them.

So I'm out of ideas..

dsvochak · #11 Post by **dsvochak** » Tue Jul 04, 2006 3:01 pm

Go to this web page:

http://www-307.ibm.com/pc/support/site.wss/

click "Detect my system" and you will be taken to a page that describes, in general terms, the original configuration of your system.

Report back on what is shown under "Original description"

misza · #12 Post by **misza** » Tue Jul 04, 2006 3:02 pm

Do You think that buying p3-1000MHz processor would be better idea for me then 1133MHz??

dsvochak · #13 Post by **dsvochak** » Tue Jul 04, 2006 3:20 pm

Do You think that buying p3-1000MHz processor would be better idea for me then 1133MHz??

Not if the machine already has a 1000MHz processor.

Please report back on the information you get from the link in my last post.

misza · #14 Post by **misza** » Tue Jul 04, 2006 4:00 pm

Thanks for many answers and for help

As i suspected: "Unable to determine you system configuration..." Probably because I use linux and this works only on windows

I have used two programs under Linux to determine the cpu

1. cpuid:
Vendor ID: "GenuineIntel"; CPUID level 2

Intel-specific functions:
Version 000006b1:
Type 0 - Original OEM
Family 6 - Pentium Pro
Model 11 -
Stepping 1
Reserved 0

Brand index: 6 [brand 6]
Extended brand string: "Intel(R) Pentium(R) III Mobile CPU 866MHz"

Feature flags 0383f9ff:
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
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
MMX MMX instruction set
FXSR Fast FP/MMX Streaming SIMD Extensions save/restore
SSE Streaming SIMD Extensions instruction set

TLB and cache info:
01: Instruction TLB: 4KB pages, 4-way set assoc, 32 entries
02: Instruction TLB: 4MB pages, 4-way set assoc, 2 entries
03: Data TLB: 4KB pages, 4-way set assoc, 64 entries
83: 2nd-level cache: 512KB, 8-way set assoc 32 byte line size
08: 1st-level instruction cache: 16KB, 4-way set assoc, 32 byte line size
04: Data TLB: 4MB pages, 4-way set assoc, 8 entries
0c: 1st-level data cache: 16KB, 4-way set assoc, 32 byte line size

2. hwinfo:
e01a0 6c 00 50 65 6e 74 69 75 6d 28 52 29 20 49 49 49 "l.Pentium(R) III"
str3: "Pentium(R) III"
model name : Intel(R) Pentium(R) III Mobile CPU 866MHz
model name : Intel(R) Pentium(R) III Mobile CPU 866MHz
Family: 0x11 (Pentium III)
Version: "Pentium(R) III"
Model: 6.11.1 "Intel(R) Pentium(R) III Mobile CPU 866MHz"

misza · #15 Post by **misza** » Tue Jul 04, 2006 4:21 pm

and

3. sysinfo

Intel(R) Pentium(R) III Mobile CPU 866MHz
GenuineIntel
666.191 MHz
512 KB

Model: 11
Family: 6
Stepping: 1

What do You think about that?
Would it be big risk buying and trying to change this processor?

misza · #16 Post by **misza** » Wed Jul 05, 2006 9:10 am

I bought it...
In a couple days I will see if it was good or bad decision.

misza · #17 Post by **misza** » Fri Jul 07, 2006 3:30 pm

ok so i bought it, replaced, and when I power it up ther is only green power led and fan.... nothing is working

what can I do? How to reset BIOS? Can I do anything????

skygodtj · #18 Post by **skygodtj** » Fri Jul 07, 2006 9:10 pm

Really what would help us help you, is for you to post the exact model number of your T23. It's on the label on the bottom, should say, 2647(or even 2648)-xxx. We need the last 3 digits to research which one you have and what cpu it's capable of using.

If you can, grab the old chip and post here what it says on the label on top, does it actually have 866 on it?

Do you have the latest BIOS? I know it's a little bit of work, but I'd put the old chip in, make sure it'll start up again, then download and flash the BIOS with the latest update, then try the swap again. I would say you have to have the latest BIOS to support the faster(and probably) newer chip.

Just as a thot, when you put the cpu in, you did turn the little screw to clamp down the cpu? There have been instances where some just inserted the cpu, mounted the fan and everything else, turned it on. Without the cpu locked in, it wouldnt do anything either. Just checking that you locked it(turned the lock screw 1/2 turn).

TJ

misza · #19 Post by **misza** » Sat Jul 08, 2006 1:31 am

Hello
My model is 2647-ng8, the processor was 866MHz (that was written on it) i did everything with the guide from thinkpad site (have turned little srew on socket). Few months earlier I've downloaded new bios from thinkpad website so it must be new.

Berny · #20 Post by **Berny** » Sat Jul 08, 2006 2:46 am

so it looks like you bought a fried cpu.

some people are so mean...

BillD · #21 Post by **BillD** » Sat Jul 08, 2006 4:07 am

Berny wrote:so it looks like you bought a fried cpu.

some people are so mean...

No...These TP's are great machines but there's soooo many different model numbers it can drive you crazy. If you read over the 600 series thread you'll read many posts from people who have the exact same problem when they try to upgrade their CPU's.. One model of 600 will upgrade with no problems,others all they get is the fan turning on...I've had the exact same problem with the 600x I'm typing on right now...I've tried 3 different CPU's in this machine,only 1 worked..Of the 2 CPU's that didn't work I put one in another 600x ,it worked fine...Go figure..

I'm NOT saying the CPU isn't bad,but it also cound be his machne isn't playing nice with the new CPU..

M..Try taking it out and putting it back in..Try taking out all your removable hardware,modem,ram,battery,etc. and then power it up.. Good luck.....

GauchoDude · #22 Post by **GauchoDude** » Sat Jul 08, 2006 11:30 am

Heya, just to let you know, I too have a T23, (which I don't have with me ATM - lent it to my teenage son), so I can't tell you the exact model number, but it was originally shipped with an 866 mHz PIII CPU. After doing some research, I was sure that I could put a 1200 mHz PIII into it & did so without any issue. The only thing I did do was make sure to use plenty of thermal grease between the heat sink & the CPU as the original "gunk" was pretty dry & cracked.

Hope this helps.

GauchoDude

misza · #23 Post by **misza** » Sun Jul 09, 2006 3:35 am

hello

Hmmm, I can give back the processor I bought (1133MHz). The guy from which I bought it has also P3 mobile 1200MHz. Do you think that I should pay difference and try the 1200MHz? I loose the shipment cost...

skygodtj · #24 Post by **skygodtj** » Sun Jul 09, 2006 10:00 am

If the opportunity arises, I'd go with the 1.2Ghz. They are rare enough to pay the difference and shipping, as long as he doesnt gouge you for it.

TJ

shamanking · #25 Post by **shamanking** » Sun Jul 09, 2006 4:30 pm

hello this is my first post
In China
lots of t23 fans have used P3m 1.333GHz CPU including me
in fact
t23 could use 866, 1.0, 1.06, 1.13, 1.2, 1.333 and 1.4
i am looking for 1.4GHz now
so classic machine, t23

skygodtj · #26 Post by **skygodtj** » Sun Jul 09, 2006 4:37 pm

Welcome to the Thinkpad Forums! A lot of us here find the english from those in other countries is better than our english!!

WOW!!! Where did you find those 1.33 and 1.4 cpu's? Have you a link to any? The 1.2's are the the fastest we have found that will fit/work in the T23's in the States!

Again, welcome!

TJ
Arizona, USA,
113F, 44C today!

shamanking · #27 Post by **shamanking** » Sun Jul 09, 2006 4:57 pm

first of all
very sorry for my english
well, how to say, 1.33U is very difficult to find
my cpu is gained from a friend of ShenZhen in China
he has few cpus now

intel release many versions of 1.33U, but performance is the same
1.333 U has only 10% performance upgrade in theory
but the heat-producing capability is so high, temperature is more than 70℃

http://i80.photobucket.com/albums/j194/ ... wn8rly.jpg

GauchoDude · #28 Post by **GauchoDude** » Mon Jul 10, 2006 12:39 am

Welcome to the forum ShamanKing !

I looked up my notes on the CPU that I actually used & the one that was originally in my T23 as well as looking up the Intel specs on the Mobile PIII. From what I can see, Intel never made a 1.4 gHz Mobile PIII. Here is a link to the 133 mHz Mobile CPU's that Intel reports to have manufactured:

http://processorfinder.intel.com/ListP ... GauchoDude

misza · #29 Post by **misza** » Mon Jul 10, 2006 2:45 am

I've talked withe the guy and he will send me 1200MHz cpu, I have big hope that it will be working in my T23.

On the cpu-world site i have found that P3M 866MHz has voltage 1.5/1.15 and 1133MHz has 1.4/1.15. Maybe this is the reason why 1133 wouldnt work? Maybe mainbord is only set up for 1.5 voltage processors and it could not be changed?

GauchoDude · #30 Post by **GauchoDude** » Mon Jul 10, 2006 8:26 am

Well, thats possible, but from what I can see, there are three different 866 PIII's and the only way to be 100% certain of which one you have is to look at it & read the model number. Two of the three are 1.5 volt units & one is a 1.2. If you still have the 1.13 CPU can you check the model number & post back both of them & we can see if the voltage is an issue ?

Thanks !

GauchoDude

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