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Thinkpad 600x startup (CMOS battery) **PIC**

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thayes
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Thinkpad 600x startup (CMOS battery) **PIC**

#1 Post by thayes » Mon Dec 14, 2020 5:36 pm

I have a thinkpad 600x that I replaced a cmos battery in and it keeps time now but all I get is the time and date setting page with the bird. Do you know what I need to do?

Admin note: Title edited to include "CMOS battery" for better search results.

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Re: Thinkpad 600x startup

#2 Post by rkawakami » Mon Dec 14, 2020 6:35 pm

Enter the current date and time then click on the Ok button. The system will reboot and show you a 0 > 1 screen. That means you should turn off the 600X and then turn it back on. If the battery is good and has been installed correctly, all should be well.

edit: I can post some pictures if you need them...
Ray Kawakami
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thayes
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Re: Thinkpad 600x startup

#3 Post by thayes » Mon Dec 14, 2020 6:57 pm

the 600x will not show the 0 to 1 screen. "thayes"

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Re: Thinkpad 600x startup

#4 Post by rkawakami » Mon Dec 14, 2020 8:01 pm

I guess some additional background is needed here...
  1. Is this a system you have used previously without any problems (beside the CMOS battery dying)? If YES, proceed to 3, if NO proceed to 2.
  2. If not, then I assume this is the first time you've tried powering it up, found the CMOS battery dead and replaced it with the proper (02K6502) one. Do you know any previous history on this laptop?
  3. If yes to 1, then I would suggest removing the memory module(s), HDD, Ultrabay device, unplug any USB device and remove the MiniPCI modem (bottom of the laptop behind the small square panel. The Hardware Maintenance Manual for the 600X can be found here and it will help you out removing these items. Once they are removed, power up the system and report what happens.
Ray Kawakami
X22 X24 X31 X41 X41T X60 X60s X61 X61s X200 X200s X300 X301 Z60m Z61t Z61p 560 560Z 600 600E 600X T21 T22 T23 T41 T60p T410 T420 T520 W500 W520 R50 A21p A22p A31 A31p
NOTE: All links to PC-Doctor software hosted by me are dead. Files removed 8/28/12 by manufacturer's demand.

thayes
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Re: Thinkpad 600x startup

#5 Post by thayes » Mon Dec 14, 2020 9:01 pm

thinkpad 600x error 173 163 before post. thinkpad is still stuck before 0-1 . It posted the 0-1 window before I purchased a panasonic CR2025 battery that I taped to the leads. When I had the laptop at home it was working fine. "thayes" Had to previously purcase an ac adapter. When the laptop was sent to me from home, the power cord was cut in several places and the laptop would not power up. When I used the new ac adapter the laptop powered up with the error 161 163 and the 0-1 window displayed. I previously put a battery in that did not work but then I cut the cover off the old battery
and seen that it was a panasonic CR2025. That is when I purchased the battery by itself and taped the leads.

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Re: Thinkpad 600x startup

#6 Post by rkawakami » Mon Dec 14, 2020 11:09 pm

I would assume from your descriptions that the "taped up" CMOS battery is not 100% reliable. My advice is:
  • Remove the taped up battery for now and get started looking for a real 02K6502 battery
  • Connect the laptop to a known working AC adapter
  • Boot the system and enter the date and time
  • Power cycle (off then on) the laptop when you see the 0 > 1 screen
  • While powering back on, press and hold the F1 key to enter BIOS (Easy-Setup)
  • Click on Config, then Initialize, then OK. That should return you to the Config screen. Click Exit.
  • You should now be at the main Easy-Setup screen. Click Restart then OK.
  • The system should boot normally
Assuming you get this far, your problem was most likely a badly connected CMOS battery. I do not recommend using a taped up CMOS battery. I also do not recommend you try soldering the tabs onto a retail CR2025 battery either. Lithium batteries can go >>BANG<< when exposed to high heat. A 02K6502 battery from eBay usually runs less than $10 shipped. Just make sure that the eBay seller guarantees that the battery will work in a 600X (or 600 or 600E). If you can, get a close-up picture of the connector and compare it to this:

Image

The 02K6502 connector is more rectangular than its cousins for the T2x and X2x series systems.

edit: Here's a CMOS battery I found on eBay (no personal/financial connection to this seller; found it by looking for 02K6502 and screening for lowest cost): https://www.ebay.com/itm/182613993141 ($6.15 including shipping from Arkansas)
Ray Kawakami
X22 X24 X31 X41 X41T X60 X60s X61 X61s X200 X200s X300 X301 Z60m Z61t Z61p 560 560Z 600 600E 600X T21 T22 T23 T41 T60p T410 T420 T520 W500 W520 R50 A21p A22p A31 A31p
NOTE: All links to PC-Doctor software hosted by me are dead. Files removed 8/28/12 by manufacturer's demand.

thayes
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Joined: Mon Dec 14, 2020 4:53 pm
Location: Augusta, GA

Re: Thinkpad 600x startup **PIC**

#7 Post by thayes » Tue Dec 15, 2020 9:05 am

I think that you are exactly right about the cmos battery. The clock is not keeping live time and the seconds are not changing while I look at the screen. I will purchase a battery this weekend.

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Re: Thinkpad 600x startup **PIC**

#8 Post by rkawakami » Wed Dec 16, 2020 5:09 pm

So in case anybody else lands here in the future, I've prepared a quick visual tour of what to do when the 600X CMOS battery dies.

ref: http://www.kawakami-ca.com/ibm_600x/rep ... s_battery/
Ray Kawakami
X22 X24 X31 X41 X41T X60 X60s X61 X61s X200 X200s X300 X301 Z60m Z61t Z61p 560 560Z 600 600E 600X T21 T22 T23 T41 T60p T410 T420 T520 W500 W520 R50 A21p A22p A31 A31p
NOTE: All links to PC-Doctor software hosted by me are dead. Files removed 8/28/12 by manufacturer's demand.

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Re: Thinkpad 600x startup (CMOS battery) **PIC**

#9 Post by kfzhu1229 » Wed Dec 16, 2020 5:12 pm

It's probably the cheapest for you to get a bag of T2x and later CMOS batteries, cut and swap the wires with the connector end and then heat shrink.
I believe those are much easier to find as the T2x connector is used all the way including the newest ThinkPads.
And yeah I have a number of my CMOS battery solutions as being taped up with foil tape and some have a sliver of foil on the inside to help conduct electricity and others have a dump of my conductive pen ink for that purpose. They work sure, but I find them less reliable on ThinkPads because many of their CMOS battery holders require some heavy bending of the cable near where the battery is and it can get dislodged as a result or simply just does not fit.
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