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Re: 3 (+3 more) retro battle stations

Thank you for the photo. Didn't know about this motherboard until now. Online search reveals nothing, including one of my previous posts where i misspelled the PB4 to PM4. Sorry. Looks like an assembly with potential. Up to 1Mb L2 cache. Voltage regulator for 3.45/4/5V. Clock generator goes to 83MHz …

Re: 3 (+3 more) retro battle stations

Hey barry07. I think there is some misunderstanding. I only have 2 versions of Abit's PCI/IDE Socket 3 motherboard. Never heard of PM4. Can you post a photo of it ? Linked the the Abit PB4 jumper settings in my previous post. All versions before 1.5 cannot go past 160MHz - some circuitry is missing. …

Re: 3 (+3 more) retro battle stations

Diamond stealth dram does not show issues here but i dont run winquake, only q1. Same applies to virges pci. But if you see issues with winquake then they will show here as well. Dont have ATI cards so cannot comment on them. SiS are the better chipset overal compared to UMC, in my opinion. They are …

Re: 3 (+3 more) retro battle stations

@barry07 Do you mean the jumper settings of the Abit PB4 motherboard or the datasheet of the chipset ? The first is available here: https://stason.org/TULARC/pc/motherboards/A/ABIT-COMPUTER-CORPORATION-486-PB4-REV-1-2.html The second is here: https://datasheetspdf.com/datasheet/M1487.html Hope this …

Re: 3 (+3 more) retro battle stations

Ok. With Cirrus Logic VLB cards i see the same problems as you shown above when sound is on - tried with 5426 5428 and 5434. So weird. Tried also with GD-5480 PCI and few S3 Virge versions - all came clean. Finally. I confirm that Quake 1 freaks out on this board when 64Mb RAM is present. Regardless …

Re: 3 (+3 more) retro battle stations

Will test the quakes with sound tomorrow. During gameplay with sound i didn't observe any color related issues, but if the artefacts are subtle i may have missed them. I don't have ATI cards, but will check with GD-5428 and 5434 tomorrow. With 1Mb L2 cache didn't notice perf difference between 32 …

Re: 3 (+3 more) retro battle stations

Didnt notice any stability difference between S3 Trio64 vlb, MGA pci. Any particular graphics card giving you trouble ? Tried 128mb ram - works well, but selected modules are needed for tightest bios timings. I test with period correct-ish software so it is not like i can load that much ram for good …

Re: 3 (+3 more) retro battle stations

I have a specific 50mm heatsink requirement. Thanks for the notes tho - they helped me narrow the search a lot. --- @Feipoa Tested the 1024Kb L2 cache module for Pc-Chips M919. Quite a surprise there. Details here but in general - with bigger L2 cache buffer M919 becomes the best performer at 180MHz …

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