Reply 20 of 38, by MattRocks
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cyclone3d wrote on 2025-11-24, 04:30:That crackling of the startup sound was a very very common thing for years on all sorts of systems and sound chipsets.
It was because Windows started playing the startup sound while the PCI bus was being thrashed by the drive controller and probably other stuff.
I appreciate various theories can be speculated with many variables - but my witness statement narrows the variables significantly because I remember clearly that my crackling started the day I swapped my ESS ISA sound card for the PCI EMU10K1 sound card and everything else in the system was constant.
I was using a VIA-based motherboard, AMD K6-2, 512k cache, AGP 3Dfx Banshee, 56k Rockwell ISA modem, Realtek PCI NIC, Maxtor IDE HDDs, and Windows 98 - but none of that changed.
We can speculate that the exact cause of my crackling was PCI DMA activity on a misbehaving VIA chipset, or some other pathway that the ESS ISA card didn't exercise. But, we cannot speculate that it was IDE bus activity because that would not have changed between ISA and PCI sound cards.
I also remember the day my VIA-based motherboard failed. I don't remember the day when the SBLive stopped crackling - I am not saying it did, and not saying it didn't, as I genuinely don't remember.
