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bios replacement

Posted on 2001-07-18
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Last Modified: 2009-12-16
hey hey everyone, the bios chip in my older computer is completely gone, over-written somehow. When I start it up nothing happens excepts for the power coming on. This is an IBM Aptiva. I called IBM up and ask if i could just buy another bios chip, however I can't, I have to buy the whole motherboard which is over $400. So, i was wondering, if I could replace it with another bios chip or am I going to have to replace that motherboard?

Thanks,
Vable
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Question by:vable
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by:kahlean
ID: 6294650
replacement for a bios chip? IMHO i dont think this chip are available in store just like other component.

A few things that you can try before giving up. Try to clear off your cmos by searching for the jumper which enable you to do so.

or else nothing much you can do

Regards
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by:jhance
ID: 6294703
Do you have a BIOS image file for this model?  If so, anyone with a EPROM programmer can program your chip for you.  
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by:eek105
ID: 6294812
you can get one from www.badflash.com
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by:kannabis
ID: 6295677
Download the latest BIOS image from IBM, and like jhance said, take it to someone with EPROM programmer.  BIOS chips are usually placed in a socket, so you can remove it.  Some are soldered directly on the board, which would cause some problems removing it nicely.

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by:vable
ID: 6295695
well, there's a problem with some of the suggestions...I can't find the maker of the motherboard. It has SIS written all over it, but I believe they just make chips. On the bios chip itself it said it's by acer. I called them up and looked on their web site, no help anywhere. IBM doesn't have any bios images. I have no idea where I can get a bios image for this computer.
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by:eek105
ID: 6295760
IBM has bios images just like any other computer company.  There is a number on the back called a machine type with 4 digits that is the easiest way to find the bios.  Tell me your machine type and I will give you a link for your bios.  Then go to badflash and get a new chip.  IBM may well make their own motherboard, since they make a lot of other peoples motherboards too.

I gained new respect for IBM after I bought a batch of used ones for cheap.  They are pretty nice machines.


try this link:

http://www.pc.ibm.com/support?lang=en_US&doctype=Downloadable+files&subtype=Cat&page=brand&up=%3Flang%3Den_US%3Flang%3Den_US&menu=subtype&brand=IBM+Aptiva&family=IBM+Aptiva%7CAptiva&machineType=&subtype=BIOS

Don't you hate links like that?
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by:vable
ID: 6295898
yeah i do hate those mile-long links :). However that is a good link. There it has all bios updates. Will an update work or do I need the orignal image? The machine type is 2170, model number is 190.
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by:kannabis
ID: 6296114
An update should work fine.
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by:magarity
ID: 6296197
Now that you can download the BIOS file, you need to get it burned.

To find someone with an EEPROM burner, go to your local electronics store.  NOT a computer store!  The place with the cranky old guy with the long grey beard who is selling electrical wiring, capacitors, and assorted logic gates.  Be very nice and maybe he won't even charge you for programming it.  

Take the BIOS file on a floppy and the ROM chip from out of the machine.  The cranky old bearded guy will know exactly what to do with them.
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by:eek105
ID: 6296224
Now that we have established how to get a new bios, I re-read your question and I wonder if you don't have some other problem.  You might want to troubleshoot a little further before you bother with the bios chip.  I take it you get no beeps?  Obviously you weren't flashing a new bios, which is really the only way to know that you have a bad bios.  

You may just want to disconnect all the drive cables and see if there are any beeps.  Does this computer have a speaker, or a buzzer on the mainboard?  Did you do anything to the computer, or one day did it just stop working?
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by:vable
ID: 6296990
To go into further detail about this: i was programming a few things, messing around with pointers, with NULL and pointers after that. Everything seemed alright after that. But when it came time to reboot, nothing happened. No beeps no nothing. I unplugged all ide devices and extra hardware. But still nothing, no beeps of any sort. I even took out the bios chip and started it up, and it seems like if there was no bios chip in the first place. So, I must have re-written my bios by using those pointers. Before I figure all of this out, i went to another computer and tried my programming there and thats when an anti-virus program came up and say that my program was a virus. Luckily that anti-virus program stop me from re-writting that bios chip. So, looks like i'm going to have to find that EPROM guy and fix this chip up.
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by:kiranghag
ID: 6297604
you haven't mentioned, whether the machine was conked because of faulty Flashing. if yes, I am not required here, my work is already done.
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by:kiranghag
ID: 6297615
you haven't mentioned, whether the machine was conked because of faulty Flashing. if yes, I am not required here, my work is already done.
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by:pelejab
ID: 6298006
you could try removing the battery in your motherboard for a while (try 15 minutes) and then replace it so that all bios settings revert back to default. Not sure if this will help.
cheers, Pete
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Author Comment

by:vable
ID: 6299167
I didn't try any sort of flashing techniques on my bios. I just tried taking the battery out for 15 minutes then putting it back in, still nothing.
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Expert Comment

by:eek105
ID: 6302326
I was going to tell you how to do a boot block recovery, but this is much better:

http://www.sysopt.com/articles/recoverbios/index.html
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Author Comment

by:vable
ID: 6304109
eek105 - I can't find anything about a boot block recovery on that web site. Is it named something else?

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by:ComTech
ID: 6373582
Hello everyone,

This question has been open for quite awhile. I am going to allow feedback from the questioner and experts. If it is not resolved, I will delete or accept an answer based on the info I have been given. Experts, feel free to offer input. I will monitor this question for a period of 5-7 days and come back and evaluate.  

I reserve the right to disallow any comments that may not have a direct conclusion

Thank you,
ComTech
Community Support Moderator

*Question Author, please return and resolve this question.
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This question remained unanswered and will move to PAQ to preserve the information of the question.

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