Re: The Grand OPL3 Comparison Run!

Posted on 2023-12-09, 18:36

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by NJRoadfan

in Marvin \ Sound

in Marvin \ Sound

While it was the SoundStorm's major selling point, Creative cards did uncompressed multichannel SPDIF-output via the Digital-DIN connector. Early SB Live! were limited to 4.0 on that connector, but later models and Audigy and Audigy 2 (not sure about Audigy 4) did at least 5.1. I dont't know if any …

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Re: My Windows 98 USB Keyboard dilemma

Posted on 2023-12-09, 18:31

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by NJRoadfan

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Does the machine have PS/2 or serial ports? You can temporarily connect PS/2 devices to click thru the "Add New Hardware" wizards. After that the keyboard should work. Another option is a serial mouse. Those "just work" without any dialogs popping up and are a convenient input device of last resort …

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Re: Orpheus II soundcard thread *** LT board now available ***

Posted on 2023-11-22, 03:11

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by NJRoadfan

in Marvin \ Sound

in Marvin \ Sound

I am running the latest stock BIOS for the motherboard, 1011 Beta 005. My board does not have onboard audio. Note that both the Ultrasound PnP and Crystal parts of the board should show up under configured PnP cards on the initial POST screen. In the BIOS, the following was set under the PnP …

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Re: Orpheus II soundcard thread *** LT board now available ***

Posted on 2023-11-21, 00:35

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by NJRoadfan

in Marvin \ Sound

in Marvin \ Sound

I have an ASUS P5A board and tested my Orpheus II card in it. Besides the Award PnP BIOS being a pain with default resources and fighting Windows 98SE to put each section of the card on the "correct" resources, the card works fine in Windows and pure DOS. I didn't even have to disable PCI DELAY …

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Re: Is there some special trick to getting a "Sintechi" FC1307A SD-to-IDE adapter working properly?

Posted on 2023-11-10, 05:05

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by NJRoadfan

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Picked up a "Gintooyun" branded adapter and it works fine. First one was likely a dud.

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Re: USB 10 pins to 9 pins connector adapter?

Posted on 2023-11-07, 15:58

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by NJRoadfan

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Buy some DuPont pin connectors and make an adapter. Just triple check the Vcc and ground connections, otherwise you'll blow a pico fuse on the motherboard.

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Re: Which USB 2.0 cards for old motherboards

Posted on 2023-11-07, 02:10

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by NJRoadfan

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Windows 9x polls PS/2 mice fairly slow (40hz?) compared to NT based OSes out of the box. There was a tool called "PS2Rate" to adjust this higher for a smoother cursor.

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Re: VGA adapter to convert a graphics card interlaced mode to non-interlaced mode on LCD?

Posted on 2023-11-07, 02:04

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by NJRoadfan

in Marvin \ Video

in Marvin \ Video

That's the thing, the Epiphan capture card uses a bog standard video ADC (Intersil ISL98001). The TI TVP7002 in the OSSC should support this, but the firmware would need to add support for it, specifically bob de-interlacing this particular video mode. It can do that for 480i/576i RGB signals, but …

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Re: VGA adapter to convert a graphics card interlaced mode to non-interlaced mode on LCD?

Posted on 2023-11-07, 00:22

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by NJRoadfan

in Marvin \ Video

in Marvin \ Video

Testing this now. So far I can't get the OSSC to work with interlaced 1024x768 as I'm getting no output on any LCDs even in passthru mode. My Epiphan DVI2PCIe card does work fine however. I can give you some of the mode settings for the Extron. Refresh Rate: 42.841Hz (Interlaced) Horizontal Active …

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Re: VGA adapter to convert a graphics card interlaced mode to non-interlaced mode on LCD?

Posted on 2023-11-04, 03:01

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by NJRoadfan

in Marvin \ Video

in Marvin \ Video

I have a machine with a CL-GD5428 that should be able to output 1024x768 interlaced that I can test with the OSSC and various monitors I got laying around.

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Re: List of VLB IDE Controllers

Posted on 2023-11-04, 00:21

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by NJRoadfan

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I also pulled the stickers off the ROMs to see what ATronics put on them. The VIC41-F chip is rev 5.0, while the VIC41-B chip is rev. 4.12. Also ATronics called this the "IDEal Cache/VL"

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Re: VGA adapter to convert a graphics card interlaced mode to non-interlaced mode on LCD?

Posted on 2023-11-04, 00:18

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by NJRoadfan

in Marvin \ Video

in Marvin \ Video

For those wondering, yes the OSSC would support this, but it can only "bob" deinterlace. You are better off using a TV or monitor's built in de-interlacer in that case.

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Re: List of VLB IDE Controllers

Posted on 2023-11-04, 00:08

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by NJRoadfan

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

In the interest of preservation, attached is the manual for the DTC 2x77VL (ATronics), along with a high res. board scan.

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Re: VGA Capture Thread

Posted on 2023-10-30, 01:24

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by NJRoadfan

in Marvin \ Video

in Marvin \ Video

ahh, you're only capturing video with the device. These support audio capture too, and have balanced inputs on the card pin headers or via HDMI. If you're using a separate audio stream or split the audio out from HDMI with another device, this wouldn't cause any issues. I tested video captures …

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Re: List of VLB IDE Controllers

Posted on 2023-10-26, 21:16

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by NJRoadfan

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The ATronics 2020L card is..... different. It has two IDE headers. One for "Drive C" and the other for "Drive D". You have the option of running two drives on each channel acting as a single combined drive. It does claim to support translating drives over 528MB, but I recall the onboard ROM setup …

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Re: List of VLB IDE Controllers

Posted on 2023-10-26, 00:55

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by NJRoadfan

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Correct. Caching cards need their own BIOS in order to work as your onboard BIOS' Int 13h firmware wouldn't know what to do with it. The card might expose the standard IDE registers, but that would bypass any caching. Both DTC and ATronics provided zero information about the ROMs on these cards. I …

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Re: List of VLB IDE Controllers

Posted on 2023-10-25, 23:25

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by NJRoadfan

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I figured this is the place to ask. I have a DTC 2277 card which is clearly a re-badge of the ATronics CPDC200BRC using the 2020L chip. Despite the onboard BIOS being dated 1995, its LBA support is pretty broken. The DTC sticker says "VIC41" (c) 1995. I don't know what ATronics revision it is as …

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Re: Is there some special trick to getting a "Sintechi" FC1307A SD-to-IDE adapter working properly?

Posted on 2023-10-24, 00:35

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by NJRoadfan

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The "brands" are meaningless. Mine is branded KOOBOOK. They all use the same FC-1307A chip and come out of the same factory. This one is looking like its going in the trash.

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Is there some special trick to getting a "Sintechi" FC1307A SD-to-IDE adapter working properly?

Posted on 2023-10-23, 23:28

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by NJRoadfan

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Picked up one of these on Amazon for projects. Tried a whole bunch of smaller SD cards from various brands I had on hand (mostly 8GB and 16GB). NONE of them work. The unit only intermittently detects the card with the correct size OR as 32MB. In either case I can't actually write anything to the …

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Re: 240p compatible 1920x1200 or 2560x1440 LCD Monitors

Posted on 2023-10-02, 00:34

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by NJRoadfan

in Marvin \ Video

in Marvin \ Video

The Dell U2410 is 1920x1200 and supports 15khz RGB on its VGA port. Honestly if you are "gaming", just buy a proper 240p scaler (RetroTINK, OSSC, etc.).

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