What is the frequency range for the CVX4? (assuming no low-pass filter cap is used). I want to find out if my thinking is correct, if without a low-pass filtering cap then technically it has no maximum frequency cut off. So, with Dip 8 off, and the other 1-5 Dips off, the frequency range should be …

Success! The ZIP provided by the creator of the hardware appears to be essentially a file dump of what they had left file-wise for the SoundJr, but all the pieces seem to be there. I uploaded it in a post to the Vogons Driver Library thread if anyone wants to download it.

SiliconSoft SoundJr. Windows 3.1/95 Driver & Test Program Drivers provided by the developer for the SoundJr. parallel port sound hardware for Windows 3.1/95, as well as a test program for determining if the hardware is installed and functioning correctly

I heard back from him, he said he will be sending the needed software along shortly! Looks like a success to me. As soon as I get them I will upload them to the Vogons driver library thread, and also put a copy on my Google Drive, so even if my local machine fails before backup, a copy will continue …

Very impressive! Its amazing how far it has come.

Is it worth trying to RE volume functionality when no software exists to drive it? There is enough contact information out there that I have no doubt that if the software still exists, and I have faith that it does, I can indeed secure a copy of it. I've contacted the principal from Siliconsoft …

Big Thank You! and shout out to Cloudschatze. He got back to me and is going to send me his spare of this version of the SoundJr. Based on the information I've been able to dig up, and my experience with reverse engineering, I expect it won't be long before we know everything about it. Our biggest …

Shouldn't be a problem to add a 387DX-40 to that setup. Must have been what they intended for that U2 marked space, since it is the perfect pinout for a Cyrix 387DX-40

The VBE aren't in ROM usually? That seems odd to me. A driver based solution sounds like a real kludge.

Well, I tried contacting the company that sells the SoundJr, but it was a no-go. It appears their company page is nothing but a zombie from a long dead company. I contacted Cloudschatze about the second unit he offered to sell for reverse engineering purposes, but also didn't hear back from him. I …

Think we can convince Dreamblaster to make a CVX4 + DSS Dongle pack? Seems like it would be an even better seller than the CVX4 by itself because it would vastly increase the number of titles that could be used with it.

Cirrus Logic "eagle.com" utility Used to directly control the features of their early video chipsets, pre-1992/pre-GD5420. Supports Monochrome and Color CRT, Plasma, LCD, etc... internal and external displays. Requires a minimum of Video BIOS v3.00.00 Only session based changes, once you do any kind …

What's the power source for it?

Interesting hardware, never heard about that. These are the specs as listed on the website for the SoundJr: SoundJr Key Features: 8 Bits+ Analog Sound Quality 8 step level control Self-Powered, No Battery Plug-n-Play Installation No DMA / IRQ Design Surface-Mount-Technology Power: Self-powered at 3 …

Wayne Foletta (Silicon Shack / SiliconSoft) produced a neat little LPT DAC known as the "SoundJr" back in the late 1980s. It's not as advanced as some of the designs being discussed, but has a few interesting features. Instead of discrete resistors, this device employs a pairing of either 767163103 …

Also quite interested.

Sorry for the late reply, totally spaced on this thread. I run Symantec Endpoint Protection, and it was completely disabled. No other antivirus/malware surveillance/firewall software was running. Yes. I was running it as an adminstrator. I also tried it without "Run as Administrator", same outcome. …

Drvsetup is also crashing on my stock installation of Windows 8 Pro x64. I had absolutely no midi devices, other than the default that came with a typical Windows installation installed at the time I attempted to run the installation EXE. These are the errors it encountered according to the Event …