FB Marketplace Gateway Rebuild - Beginner Build Log!

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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby rasz_pl » 2019-5-09 @ 05:44

are those original ~18 year old capacitors on the motherboard?
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby donhonk » 2019-5-09 @ 12:51

They are, think they’re due for a recap? I didn’t spot any bulging for what it’s worth but I know that doesn’t always matter.
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby donhonk » 2019-5-10 @ 00:05

Speaking of capacitors.... the voodoo came in.

https://twitter.com/donhonk/status/1126 ... 32001?s=21
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby rasz_pl » 2019-5-10 @ 01:21

your symptoms might be due to insufficient Vcore power section output (sagging, bad filtering)
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby donhonk » 2019-5-10 @ 02:15

I’m willing to give a recap a shot if you think that could potentially help that!
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby rasz_pl » 2019-5-10 @ 08:49

you could measure Vcore with oscilloscope(or even multimeter, wont show noise, but will show voltage drop) if you dont want to recap without being sure
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby donhonk » 2019-5-10 @ 13:00

rasz_pl wrote:you could measure Vcore with oscilloscope(or even multimeter, wont show noise, but will show voltage drop) if you dont want to recap without being sure


Gotcha, Ive got a Multimeter. Would that basically involve probing caps near the cpu / atx power in while its powered on? Im new to this stuff so apologies if its a dumb question
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby rasz_pl » 2019-5-11 @ 04:26

it would involve soldering a little taps so you can permanently connect multimeter/scope and run computer at the same time - then you can look at the voltage while running at different frequencies / running heavy programs / starting windows etc
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby donhonk » 2019-5-11 @ 20:50

rasz_pl wrote:it would involve soldering a little taps so you can permanently connect multimeter/scope and run computer at the same time - then you can look at the voltage while running at different frequencies / running heavy programs / starting windows etc


Gotcha, appreciate the help! I will be getting a proper desoldering gun soon, would like to revive this board if I can.
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby RoyBatty » 2019-5-12 @ 02:04

RAM settings are finicky with the VIA chipsets, try turning off CPU-DRAM back to back transaction in the advanced chipset menu. My TUV4X will not boot with this setting enabled.
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby donhonk » 2019-5-12 @ 03:05

RoyBatty wrote:RAM settings are finicky with the VIA chipsets, try turning off CPU-DRAM back to back transaction in the advanced chipset menu. My TUV4X will not boot with this setting enabled.


Gotcha! I can give that a go tomorrow
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby donhonk » 2019-5-12 @ 16:01

RoyBatty wrote:RAM settings are finicky with the VIA chipsets, try turning off CPU-DRAM back to back transaction in the advanced chipset menu. My TUV4X will not boot with this setting enabled.


Image

Hm, I still cant quite reach Windows. Anything you'd change about these settings?
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby dottoss » 2019-5-12 @ 23:46

donhonk wrote:Rather frustratingly, this machine simply wont run stably with the processor running at 1400mhz. (The system frequency of 133) It will get to bios and then the keyboard stops responding after 1 keystroke. Kinda defeats the purpose of the CPU I got.

Image

Ive even taken everything out just to eliminate variables. (And swapped to an NVIDIA vanta just to check) Windows 98 is installing as we speak, but any ideas?

EDIT:
Image
Got windows installed just fine while it was running at 840mhz, totally stable. Again, kinda defeats the purpose if I cant actually run it at its intended speed?


Just popping in to say that my CUV4X behaves exactly the same, i just got my CPU from Korea too. It's fine up to about 120MHz FSB and after that it will behave like yours, unstable and keyboards stops working after one to two strokes. Bios settings has been tweaked, like the previous mention DRAM option.
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby donhonk » 2019-5-13 @ 00:15

dottoss wrote:Just popping in to say that my CUV4X behaves exactly the same, i just got my CPU from Korea too. It's fine up to about 120MHz FSB and after that it will behave like yours, unstable and keyboards stops working after one to two strokes. Bios settings has been tweaked, like the previous mention DRAM option.


Hmm, interesting. Doesnt bode well for this combo it seems, even though the ebay page does list it as compatible. A similar Capacitor issue perhaps? (no idea) It does leave me in a weird spot with this machine. It seems I've got several options.

A. Attempt to recap the motherboard in hopes it will fix the issue. I dont think I have the technical know-how to diagnose the issue like previously mentioned. No oscilloscope, but I do have the know-how / equipment to replace the caps.

B. Buy another supposed compatible Motherboard to use with the Korea modded Tualatin.

C. Go with a non modded Tualatin in a supported motherboard.
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby rasz_pl » 2019-5-13 @ 02:07

have you tried bumping vcore to 1.6? its still safe and would give buffer against any vcore drop/fluctuations
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby dottoss » 2019-5-13 @ 09:44

rasz_pl wrote:have you tried bumping vcore to 1.6? its still safe and would give buffer against any vcore drop/fluctuations


I've tested all between 1.45 to 1.70.

Also, I noticed that the OP has motherboard rev 1.03 which is the same as mine. Perhaps coincidence, perhaps not.
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby donhonk » 2019-5-13 @ 12:03

dottoss wrote:
rasz_pl wrote:have you tried bumping vcore to 1.6? its still safe and would give buffer against any vcore drop/fluctuations


I've tested all between 1.45 to 1.70.

Also, I noticed that the OP has motherboard rev 1.03 which is the same as mine. Perhaps coincidence, perhaps not.


Yep, just tried raising vcore as well, no luck. I think I will attempt a recap, but failing that I might go for a native Tualatin build unless others have a board they really like for a modded Tualatin.
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby rasz_pl » 2019-5-13 @ 21:03

That would most likely exclude caps as the source of problems. Personally I wouldnt even touch VIA board with a stick, and rather take my chances overclocking 440BX.
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby donhonk » 2019-5-13 @ 23:38

Hmm, gotcha!
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Re: FB Marketplace Gateway Rebuild - Beginner Build Log!

Postby rasz_pl » 2019-5-14 @ 07:58

try simplest PCI VGA card
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