Re: MSI MS-5119 MOTHERBOARD (P54C TR1), COMPONENTS REMOVED, BOARD DAMAGED.

Posted on 2024-04-03, 07:10

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

This board had all the chips that were in a socket removed, including BIOS and cache. Breaking the KBC and the 74F25PC IC trying to remove them as if they were in sockets. I'm going to check the board in more detail in case there are any more damaged components. I set all the jumpers according to …

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Re: MSI MS-5119 MOTHERBOARD (P54C TR1), COMPONENTS REMOVED, BOARD DAMAGED.

Posted on 2024-04-02, 11:55

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello, good afternoon. I have done the test and apparently with the same results. I have carried out the test with an SY007 processor (Pentium I 100 Mhz), with 4+4 MB SIMMs, and I have tested with an ISA and also a PCI graphics card. On the other hand, the motherboard came without a BIOS and I have …

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Re: MSI MS-5119 MOTHERBOARD (P54C TR1), COMPONENTS REMOVED, BOARD DAMAGED.

Posted on 2024-04-01, 17:10

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

OK, I will do it. Regards. Well, nothing is smoking and the reset LED acts as it should so this mobo doesn't seem to be using KBC for power good. So try adding CPU, RAM and some video card and see what happens. Keep the POST card in the mobo though because, depending on what BIOS code does, it might …

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Re: MSI MS-5119 MOTHERBOARD (P54C TR1), COMPONENTS REMOVED, BOARD DAMAGED.

Posted on 2024-03-31, 14:48

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have checked in cpu socket, Vcc2 and Vcc3 = 3.45-3.46v.. Freq. = 49.5 Mhz.

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Re: MSI MS-5119 MOTHERBOARD (P54C TR1), COMPONENTS REMOVED, BOARD DAMAGED.

Posted on 2024-03-31, 12:27

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello, here you have the quick test w/o memory, processor, graphic card, keyboard and KBC. Regards

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Re: MSI MS-5119 MOTHERBOARD (P54C TR1), COMPONENTS REMOVED, BOARD DAMAGED.

Posted on 2024-03-31, 07:43

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Thank you very much. There is not shorts and it is a good idea to test the card w/o the KBC I will look for the removed components R82 and R83 Regards Since it's a 787F I would leave RN14 empty. Therefore there is also no need to fix any traces that connect to it, just make sure what is left on the …

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Re: MSI MS-5119 MOTHERBOARD (P54C TR1), COMPONENTS REMOVED, BOARD DAMAGED.

Posted on 2024-03-30, 19:00

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I bought this board very cheap because I knew that they had removed the BIOS. When I received it I realized that not only had they removed the BIOS but also all the jumpers. I found a BIOS dump and configured the board with jumpers for a processor. The board didn't work but everything seemed fine …

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Re: MSI MS-5119 MOTHERBOARD (P54C TR1), COMPONENTS REMOVED, BOARD DAMAGED.

Posted on 2024-03-30, 17:12

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

In the first picture it looks like resistors were soldered in R82 and R83 (sorry again for the poor quality). In the second pictures, the no damaged pads for both looks OK but maybe it was done by me after revised the damages. I am not sure..

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Re: MSI MS-5119 MOTHERBOARD (P54C TR1), COMPONENTS REMOVED, BOARD DAMAGED.

Posted on 2024-03-30, 17:00

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Therefore, I understand that I can leave the RN14 empty, w/o the resistors array. I have to look only for R83 and R82. Many thanks.

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Re: MSI MS-5119 MOTHERBOARD (P54C TR1), COMPONENTS REMOVED, BOARD DAMAGED.

Posted on 2024-03-30, 16:37

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Thank you very much for your great support. Really, it cost me a lot to identify the pin 1 position. It was not 100% clear for me also with the data sheet. I was looking for the data sheet of the W83787F but google send to the W83787IF data sheet. For that reason I thought that pinout will be the …

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Re: MSI MS-5119 MOTHERBOARD (P54C TR1), COMPONENTS REMOVED, BOARD DAMAGED.

Posted on 2024-03-30, 07:16

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Thank you very much. A great help!!! The IC 74F25PC has been already replaced by other with the same reference. I will use a socket for the KBC but I will remove the plastic that joins both sides of the pins and that covers the damaged part of the board to change components if needed. Now I will try …

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Re: MSI MS-5119 MOTHERBOARD (P54C TR1), COMPONENTS REMOVED, BOARD DAMAGED.

Posted on 2024-03-29, 16:33

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello, You are right, the photo was taken before to soldered the transistors in its pads (the three are 1AM). They fell down when I applied heat to remove the KBC chip. I also have soldered C73. I have used one from other board that fit in that place. Please, do not pay attention to the yellow wire, …

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MSI MS-5119 MOTHERBOARD (P54C TR1), COMPONENTS REMOVED, BOARD DAMAGED.

Posted on 2024-03-29, 12:42

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello, good afternoon (Zaragoza, Spain) I received the MS-5119 board that someone wanted to remove the KBC, AMIKEY-2 that was soldered on the board with a screwdriver. I actually don't know if I didn't know it couldn't be removed that way or if I just wanted to damage the plate. He also did the same …

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Re: Replacing keyboard controller

Posted on 2024-03-28, 08:48

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Good morning, I have the same problem with the KBC VIA VT82C42N. Finally, after several tests, my conclusion is the KBC VIA is not fully damaged but it is given problems to boot. I am going to order new one but meanwhile I receive it can be replaced by any of AMIKEY-2 or AMI / INTEL KB VER. F, …

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Re: 286 Motherboard does not work . CMOS inoperational. System halted.

Posted on 2024-03-28, 08:24

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Thank you very much. There are soldering alloys with bismuth, exactly because it lowers the melting temperature. These are specialized (and expensive) wires/paste to be used in situations where typical soldering temperature (esp. if lead-free) would damage/destroy something that is not heat …

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Re: 286 Motherboard does not work . CMOS inoperational. System halted.

Posted on 2024-03-23, 07:18

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello good morning. I am sure that all those who have advised me not to use this welding wire are right. In my case, I buy practically everything on Aliexpress because the same tools purchased in the West are much more expensive. For this reason, sometimes you have to try things even if the results …

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Re: 286 Motherboard does not work . CMOS inoperational. System halted.

Posted on 2024-03-22, 07:21

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I will do a test with the chinese solder wire before to use it. Thank you very much. Today, I just have ordered low temperature (138ºC) solder wire to solde the IC. this is bad, dont do that - low melt solder is only used for Desoldering in special circumstances and requires through cleaning before …

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Re: 286 Motherboard does not work . CMOS inoperational. System halted.

Posted on 2024-03-22, 07:19

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I will investigate this solution also. Thank you very much. Let me think about. First of all I have to prepare a new drawing. I am not able to work w/o a drawing/sketch. Today, I just have ordered low temperature (138ºC) solder wire to solde the IC. Thank you and regards. As you are at it, but some …

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Re: 286 Motherboard does not work . CMOS inoperational. System halted.

Posted on 2024-03-21, 12:33

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Let me think about. First of all I have to prepare a new drawing. I am not able to work w/o a drawing/sketch. Today, I just have ordered low temperature (138ºC) solder wire to solde the IC. Thank you and regards.

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Re: 286 Motherboard does not work . CMOS inoperational. System halted.

Posted on 2024-03-20, 15:09

by

by jnemo2004

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

This is difficult for me and I do not have the appropriate means or sufficient experience. I will try to do the best I can. In Spain we say that you can't make an omelet without breaking eggs.

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