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First post, by gridrunner-xy

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Hello everyone,

I have a well loved Gateway 2000 machine, a very handsome P5-200 tower with a P200 installed. It has 64MB of RAM and the following set up:

Tseng ET6000 video card
PCI Ethernet card
PCI SCSI controller
AWE64 ISA card
Roland Sound Canvas midi box
An SSD with a SATA to IDE provides the HD.

Win 98SE is installed and to play DOS games I boot into DOS mode during Windows startup.

Generally, things work well but occasionally I get a strange momentary lag, where everything slows down and then resumes. If Midi's playing this can even slow down the notes before the music resumes. This is more pronounced on some games than others but has affected Duke 3D, Doom2 and Dark Forces as examples. I couldn't quite figure out what was going on. Might it be an interrupt, could it be the sound/midi combination causing an issue or something else? Should I try using a boot disk as opposed to DOS within Windows?

Any pointers would be appreciated!

Thanks

Reply 1 of 3, by BitWrangler

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Some HDDs have a more noticeable thermal recalibrate than others, could that be it?

2017: Basement full of ancient PC stuff, starting to go through it. 2021: Still starting, heh, many setbacks. So what's this BitWrangler guy's deal ??? >>> Taming the pile, specs to target?

Reply 2 of 3, by gridrunner-xy

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Hi there, thanks for posting. mm, I did wonder about the SSD and whether there's something kind of 'unit attention' pause thing going on here. Does anyone see anything similar with SSDs and the usual SATA/IDE bridges? Because the whole machine lags, video and sound it has to be something that's causing the processor to wait..

Reply 3 of 3, by Joseph_Joestar

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AWE64 cards have some MPU-401 bugs that can cause certain games to stutter during MIDI playback. See here: Sound Blaster 16 Bugs and Deficiencies Summary

Try using the AWE32 mode for music instead of General MIDI and see if that gets rid of the problem.

PC#1: Pentium MMX 166 / Soyo SY-5BT / S3 VirgeDX / Voodoo1 / OPTi 82C930 / AWE64
PC#2: Celeron 466 / Abit ZM6 / Voodoo3 / AWE64 / YMF744 / SC-155
PC#3: AthlonXP 1700+ / Abit KT7A / GeForce4 / SBLive / ALS100
PC#4: Athlon64 3700+ / DFI LanParty / 9600GT / X-Fi Titanium