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Re: ATi Mach64 WinBoost - Memory expansion chips

CBR refresh uses the internal refresh counter of the DRAM chip and there are many more rows in the larger chip (and controller doesn't specify which row, it only tells "refresh" and memory chip does rest on its own). All of them must still be refreshed in 16ms (or 32 or 64, depending on partcular …

Re: Yamaha YMF-719 issues

Mixer sliders not working is the suspicious thing that maybe suggest something is wrong with the card, they should be fully functional and affect all the sound tests. Ok, it is only initialisation driver. I used google translate for the french documentation. You'll have to conf the IDE with correct …

Re: Yamaha YMF-719 issues

This sounds like there is actually something wrong with the card. All photos I see of the particular version of the card you got have single 33.8688MHz crystal, with missing 24.576MHz one. This could be the reason for the weirdnesses... You're not supposed to have another CD driver when using …

Re: Yamaha YMF-719 issues

There's a special driver on the original driver CD that will initialize the card's IDE interface in CONFIG.SYS so that you can have IDE available for the CD driver that is loaded later in CONFIG.SYS. You can get it here : http://www.tmeeco.eu/9X4EVER/GOODIES/Yamaha/OPL3-SA/CD/DOS/ First one changes …

Re: Yamaha YMF-719 issues

SETYMF has no YMF71x native IDE support, and IDE will be left whatever way a PnP BIOS set it to. IDE conf of my own YMF71x card uses a custom IDE interface and it only shows the options when my own YMF card is detected. (my card has custom IDE so it can be booted from on any computer not just ones …

Re: Yamaha YMF-719 issues

Yeah, they need to be at 2-3 for line output, for connection to powered speakers or some other device. 1-2 is for passive speakers as was normal many years ago. This will fix the way too loud aspect and also dramatically reduce hissing too.

Re: ATi Mach64 WinBoost - Memory expansion chips

There should be endless supply of suitable DRAMs in china, these chips were made in huge quantity. There are many many part numbers too, that is the main complication in finding anything, one particular chip may be unavailable but another plentiful. Mixing EDO and FPM likely won't work, you need …

Re: ATi Mach64 WinBoost - Memory expansion chips

The larger RAMs will not work, CBR refresh is used by the video chipsets and they only do enough refreshes to handle the 128KB chips. With 512KB chips there are lot more rows and they will not get refreshed frequently enough, resulting in image full of noise due to data corruption. You need 128KB …

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