Thanks guys, I did some more reading and it seems the safe choice is to make the resistor mod and buy a 486DX2-50. Did I get this right? However it would be awesome if we could find some info about the 'micro select'-jumpers 23, 24, 25 to change the speed to 33Mhz. Maybe it's possible to get this …

Hi all, I have run in to a minor problem with my PS/1 board. The PS/1 service manual floating around online is dated March 1993 but my 2133-540 is made in december. Some of the info seems like it's applicable to my board but there is at least some important info missing. I want to upgrade the …

Thanks guys, your have been very helpful. It's quite clear to me now that there is no card to rule them all. I have ordered a ES1868F card and will now use the savings on a real Roland. Probably the MT-32 but I will do some more reading before i decide. I'll be back with an update in a few weeks, …

Thanks guys, I have spend the day reading up on your suggestions. I forgot to mention one thing that is important. This PC will run DOS 6.22 and WIN 3.11 So, AWE32/SB32 would not be a good choice without W95? The SC-55 is definitely an option and other Roland’s if I get a good deal on it. I will …

Hi all, I have spent two days trying to research what sound card I should buy for my 486. What a rabbit hole! There are so many to choose from! What card would you get? Not the Adlib sins I am getting one for my 286. This PC is made in 1993, so something from -93 or later would be nice for this …