Question about IBM ThinkPad 600X Notebook

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IBM ThinkPad 600x erros 161 and 163 cannot enter BIOS EasySetup

Boot my TP 600X get errors 161 and 163 on post [also 8611], still has a blank POP, so have to give it a return after the lock icon [this is how got into this problem to begin with, since the keyboard connector is broken, and thought removing the battery, and the CMOS battery would rest this, it did not, and after finding to things in the hardware manual, how to reset POP via POP pads, and a keyboard can be connected to the mouse PS2 via a Y cable]. Then get this screen that shows the error list, similar to the BIOS setup page in a rectangle, a bird that can be moved by the mouse and a choice in the bottom of the box of either OK or Cancel, or pressing a Return, all of which results in the screen changing what is in the rectangular box to have the error list and a ---------> [large open book icon], the keyboard is locked, can only power off or power reset the computer. Pressing F1 either during the power up, starting with it pressed before, and holding it does not change it. Tried doing the same thing by holding down the F1 key then pressing the Return after getting the Lock icon, it delays the process and seems to start something, activate something, see the underline cursor blinking then blank, after some seconds [still holding the F1 key pressed, to try to enter into the BIOS setup], it still goes to this rectangular box described above, sometimes in the middle of the blank time, that is after the white underline cursor disappears, have seen a blue character there in the upper left corner, either a 3 [most common] or a 2, for a moment, maybe a second, then goes to this rectangular box screen. Have also tried a delete key in the sequence, but maybe need some more specific instruction on this. Had seen a post in another forum stating this problem, and a solution that two of the steps outlined in the manual are erroneously stated out of order, but no specifics about the steps. [seems that the answer was given privately to avoid possible thieves from getting it, was dated Oct. 27, 2004], and avoided having to replace the system board, as many state including the manual.
Can you be of help to getting access to the EasySetup of the BIOS [which is not easy to get to now]? What are the steps outlined in the manual, and maybe which two are out of order? or at least possibly once having the the steps, could figure out which two might be out of order, or get there by trial and error? This seems to be a problem that has many listings, that have searched over the last few years, and this is the closet have come to a solution yet.
Thank You

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  • aviyos Feb 03, 2009

    talking here with a good CMOS battery.
    But cannot still get passed this error screen to the BIOS settings.



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161 error refers to a flat BIOS battery, it is dead - you need to replace the battery with a new one..
163 error refers to the date and time setting in the BIOS, it is not correct, this is also caused by a flat BIOS battery.

Posted on Feb 03, 2009

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The Geekman is spot on. Adding bad Trackpoint (8611). Begs the question why would this response be tagged thanks for trying instead of this worked great? Here is a link:

Posted on Feb 22, 2009


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SOURCE: ibm thinkpad 600x brightness control

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Posted on Apr 19, 2008

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SOURCE: IBM thinkpad 600x

The battery that might be dead is not the main battery. It's the cmos battery, which is a coin cell battery located on the motherborad. It stores the setting in the bios and keeps the date and time accurate. Errors 161 and 163 mean the date and time are wrong. If the cmos battery is dead then, the date and time go back to 1/1/2000 every time the pc is restarted. Thus, you get the "wrong date and time" errors 161 and 163.


Posted on Jul 25, 2008

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SOURCE: my thinkpad 600x boots but has no OS and it has

The internal clock runs off the battery, so if the battery is dead, then the clock won't be able to hold the current time accurately. Unfortunately, replacing the battery on a laptop motherboard is not as easy as it is for a desktop. With a desktop, you can usually just take the cover off, find the battery and replace. Laptops are so compact that if you try to take one apart, you risk dislodging something or forgetting where a piece will go.

I would check with some of the office supplies store or electronics store and see how much a fix like this would cost. Or even find a computer repair place nearby you. Assuming that is the only problem, I can't imagine it being too expensive.

Good luck.

Posted on Nov 03, 2010

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1 Answer

How do i fix my ibm think pad with 161-163 error on start up

Hi drifty169

Looks like you need to change your CMOS battery
Here are the following code descriptions:
Please take time to rate me
Note: for some pointers on how to replace the battery go to this webpage:
161CMOS configuration lost (battery has died)162CMOS checksum error, CRC error, or adapter ID mismatch163CMOS error; Clock is not updating

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If you downloaded IBM 600 repair manual, 8611 error is fixed by reseating the keyboard connector on the system board. Which means you have to unscrew 13 bottom screws to take out the keyboard.

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Have error 8611 on my 600X. How to fix it? Thanks

Download IBM 600 repair manaul. It says to reseat the keyboard connector on the system board.

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It says there are error codes 163, 8611, and 163 time and date pop up but if you try and pass that it freezes and shuts down again. please help

The 163 error is a BIOS Date & Time error. Go tinto the BIOS setting and set the Date & Time. If you boot up the next time and you get the same error, this is cause by a flat BIOS battery, replace with a new battery.
The 8611 error relates to the PS2 mouse bus connector, try a new mouse or use a USB mouse.

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How to enter into BIOS when trackpoint was broken.

Hi there.
Its something to do with the trackpoint, possibly the cable has become loose.
* If an emergency power down is made by switching the system off during or while an application is open, then immediately switching the system on creates a 8611 error.
* Repeatedly turning power off and back on without properly shutting down or allowing the system to shut itself down.

Wait at least 6 seconds or longer after shutting down the system or before restarting to correct the 8611 error.
See if that gets rid of the error, if not it could be a loose cable to the trackpoint.

Good luck

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The 161 error means the BIOS battery is dead (flat).
The 163 error means the Date and Time is not updating.
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Entering BIOS settings, Easy-Access, after POP, with external KB

The Power On Password problem is near impossible to crack. It is designed to prevent unauthorized access to the Thinkpad and removing the BIOS battery will not remove the password because the password is stored on an EEPROM chip.
There are no backdoor passwords available, the only option is to ask the person who set the password.
There is a way to hack into the Thinkpad to see and remove the password but it requires electronic skills, a program and a working computer.
For details on how to do this go to :-

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ibm is providing their computer with a relevant bios updtes . bios updte will solve most of this type of problems

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