A biostar m6tba v1,5 belonging to my school is in a system with celeron 433 in slotket, 256mb sdram. I upgraded with new HDD, PSU, and video card and now it will not boot. All fans spin up, but no video and no beeps. It will remain in this state until turned off. I have tried booting w/o HDD, optical, and with case fans disconnected (normally connected to MB). ideas?
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Re: Biostar m6tba v1,5
Well, does it boot with the original components?
Maybe the board is only AGP 3.3v and you used a 1.5v AGP card?"The one who says it cannot be done should never interrupt the one who is doing it." -
Re: Biostar m6tba v1,5
I used a Diamond SpeedStar A50 AGP card, is SiS 6326 chipset. I haven't checked with the original components, the old HDD was dead.Comment
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Re: Biostar m6tba v1,5
slotkets can cause lots of trouble.
check it first.Comment
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Re: Biostar m6tba v1,5
1) Slotkets come in different varieties with small (and crucial) differences in the reset signals, bus arbitration signals, etc. Make sure you have one that will work with a Mendocino Celeron.
2) The BIOS may need to be upgraded to support the microcode update for the Socket-370 Mendocino Celeron. Note that there separate microcode updates for the Slot-1 and Socket-370 Mendocino CPUs - you need both to be able to support the Mendocino in a Slotket. If you have an Award BIOS, you can add microcode updates to it using CBROM and similar utilities even if there's no official BIOS upgrade from the manufacturer with support for the Mendocino/Katmai/Coppermine.Comment
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Re: Biostar m6tba v1,5
Oh, BTW - Biostar is big on those green Jackcon and black Teapo caps. Replace *all* the Jackcons first, even if they're not bulging, and optionally the Teapos (which should be OK, but not great).Comment
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Re: Biostar m6tba v1,5
It was working before I overhauled it, so the BIOS and slotket support Mendocino Celerons. The board has no Jackcons, it has Choyo, Sanyo, and Teapo tho.Comment
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Re: Biostar m6tba v1,5
Clean the Slotket edge contacts with isopropyl alcohol and reseat it firmly - there's very little by way of large caps on a slotket, so the Vcc/GND contacts are critical.Comment
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Re: Biostar m6tba v1,5
The motherboard is AGP 2x, as is the SpeedStar A50, so this shouldn't be an issue. However, Per's point is valid. Does it POST with the original video card? Could it be a problem with the A50 (the motherboard "sees" a video card installed, so it doesn't give the "no video" beeps, but the card is still bad)?Originally posted by Per HanssonComment
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Re: Biostar m6tba v1,5
I tested the card in other board (soyo SY-5ehm) and it worked.Comment
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