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Re: Newly made PCMCIA sound card

Posted on 2021-03-15, 09:22

What would be quite helpful would be if somebody could dump the CIS off the ibm card, with that along with the drivers I could work backwards to make something compatible with the existing software. I don't mind doing this, but I have no idea how. As for the drivers, here they are. I include the …

Re: Newly made PCMCIA sound card

Posted on 2021-03-15, 07:59

You've probably seen the IBM patent related to the IBM card? https://patentimages.storage.googleapis.com/93/f0/eb/61bab7d9c6055e/US5768631.pdf I'm not an expert unfortunately, but looks like there are a lot of technical details expalining how it all works, and it can be useful for someone who is …

Re: Newly made PCMCIA sound card

Posted on 2021-03-15, 07:22

I have the PCMCIA Intellegent MPU-401 fully working now, and no issue to have onboard general midi chip. same with the OPL3 it was no issue. I am currently trying to implement a method compatible to that of the mwave ibm card, to get soundblaster compatibility without dma. This is awesome! Do you …

Re: HardMPU, anyone?

Posted on 2021-03-12, 19:44

So, in light of the fact that this card, with my abilities, will only support IRQ5 (or anything else you can get the host to configure for the SCP-55), is this still a useful card to pursue? Why not? Most people are going to use it on a regular netebooks, not the 200lx, IMHO. Also SoftMPU works …

Re: HardMPU, anyone?

Posted on 2021-03-09, 09:03

thanks, quite helpful! if we can actually get those receptacle connectors this becomes a lot easier. I wonder were they ordered in for general inventory or already assigned to somebody. Pin pitch is okay for me to work by hand so I can continue the development and just attach a cable to the pads. …

Re: HardMPU, anyone?

Posted on 2021-03-09, 08:53

I wondered though, given that laptops are a decent choice for retro dos computing/gaming (aren't they?) why does nobody produce any new pcmcia cards, is it due to lack of demand? not wanting to deal with the space restriction? not wanting to deal with/understand the pcmcia side of things? Most …

Re: HardMPU, anyone?

Posted on 2021-03-09, 08:38

Basically, we would need to find framekit, receptacle and plug that are available. I would much rather this not be a fixed cable as I did have the use case in mind where it is strictly playing out of the laptop speaker. Here's what I found in terms of connectors. Digikey has 49 of these plugs …

Re: HardMPU, anyone?

Posted on 2021-03-08, 10:04

Some options would be to have the external midi connector and a method to disable the onboard midi synth. I really know next to nothing about Midi so I am just trying to figure this out as I go! There are 3,5mm to MIDI cables. Maybe it will be possible to add another connector for it? 35midi.png …

Re: Roland MT32 - Direct Connection to Serial / COM1 SoftMPU

Posted on 2021-03-01, 07:48

in SoftMPU
https://www.vogons.org/viewtopic.php?p=619131#p619131 Thanks for the link. But the thing is that HOMM2 and Lost Vikings both use dos4gw extender, which I think is an indication of a protected mode game. Or am I getting it wong? Yeah when I read your list I thought that Lost Vikings might be modern …

Re: Roland MT32 - Direct Connection to Serial / COM1 SoftMPU

Posted on 2021-03-01, 07:36

in SoftMPU
Does anyone know why it's working with some games and doesn't work with others? Tried SoftMPU with IBM Thinkpad 360CE with HOSA DBK-103 cable and output to SC-55K via COM port. Sound is working with: - Dosmid player - Lost Vikings - HOMM 2 - Tetris Classic Does NOT work with: - DOOM 1/2 - Heretic - …

Re: Roland MT32 - Direct Connection to Serial / COM1 SoftMPU

Posted on 2021-03-01, 06:56

in SoftMPU
Does anyone know why it's working with some games and doesn't work with others? Tried SoftMPU with IBM Thinkpad 360CE with HOSA DBK-103 cable and output to SC-55K via COM port. Sound is working with: - Dosmid player - Lost Vikings - HOMM 2 - Tetris Classic Does NOT work with: - DOOM 1/2 - Heretic - …

Re: SoftMPU project needs your help! (game & sound card testing)

Posted on 2021-02-28, 16:47

in SoftMPU
Tried SoftMPU with IBM Thinkpad 360CE with HOSA DBK-103 cable and output to COM port. Sound is working with: - Dosmid player - Lost Vikings - HOMM 2 - Tetris Classic Does NOT work with: - DOOM 1/2 - Heretic - Tyrian - Raptor - ROTT Does anyone know why it's working with some games and doesn't work …

Re: Newly made PCMCIA sound card

Posted on 2021-02-23, 08:43

This is very cool that your project is getting it's physical embodiment. Looking forward to the testing results. I've found these Simple Assembly Type PC Card Frame Kits from Hirose. Just posting here FYI. Filename e23421025-4505.pdf File size 543.84 KiB Downloads 75 downloads

Re: Newly made PCMCIA sound card

Posted on 2021-02-21, 20:29

both is possible, I am not that current on soundcard stuff all my pcmcia development til now was ethernet/serial card related. MPU-401 will be expected at 330h/331h and IRQ2/9 Adlib/OPL will be expected at 388h/389h no IRQ is that correct? This looks correct. Roland SCP-55 uses IRQ 5, but I see no …

Re: Newly made PCMCIA sound card

Posted on 2021-02-21, 19:39

You would want the OPL3 over the general midi chip? I have some OPL3s & da's on order will that will arrive soon, my initial plan was to make an OPL3 card, until another user pointed out this dream.dr midi chip And what about having both? But if I had to chose, personally I'd prefer to have a GM …

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