Main > Monitor/Video Forum
Soft-15KHz - slim new tool for 15KHz on normal vga cards
Ilya-v:
FWIW, I had continues blue screens in XP when I created custom resolution of 640x480 and tried to delete it from the list in Nvidia Control Panel.
Apparently XP don't like when you remove its 640x480 even if its custom...
As for blue screen when changing resolution, try playing with the primary and secondary configurations, maybe your 7100 has issues with multi monitor configuration.
Sidenote:
Now I'm on Desktop Windows 7 and Nvidia GTX660 (or 8400M GS on my laptop), somehow in contrary to everything being written here, I can create any custom resolution in Nvidia Control Panel even without Soft15Khz being installed.
Strangely my VGA to SCART cable sends an EDID info to the video card on both of my systems with Windows 7 named "PNP09FF Generic Non-PnP Monitor"
This is only with a cable which consists a Motorola 74HC86 chip to create CSync. With my simple cable made with three resistors it is not so.
EDIT:
I used pin-9 to get 5V from the video card so as soon as the VGA-SCART cable plugged in to the video card the IC is activated.
Talkin' 'bout killing two birds with one stone unintentionally... :applaud:
Here is what I built:
peterson65:
--- Quote from: peterson65 on February 15, 2015, 06:18:27 pm ---help! cant seem to get this to work. I have a evga motherboard with NVidia GeForce 7100 graphics built in, I had soft15khz working in the past but went to the arcade vga. I uninstalled the arcade vga and reinstalled the forceware drivers and then soft 15khz everything looks ok but when running mame and it wants to switch a resolution from what the desktop is running I get a blue screen about nv4_disp.dll error what am I doing wrong? its a windows xp 32 bit with a d9800 monitor.
thanks
--- End quote ---
did some searching and found it was a driver issue, had to go back to a older driver and no more blue screen
buttersoft:
--- Quote from: Ilya-v on February 13, 2015, 03:03:33 pm ---OR, does it specify a list of allowable resolutions?
--- End quote ---
And if so, are those resolutions the Soft15kHz defaults in the 15kHz and 25kHz ranges?
Also, anyone know if PowerStrip will work to update EDID for dongle-making in Win 8 with an 8800GT?
Ilya-v:
Here is a reply I got:
--- Quote ---The Dongle is a simple EEPROM that tells the graphics card some details about "the monitor".
It reports a ID of "PNP0815" (so one could override parts of the EDID in software), Analog Signal, H/V-Sync and C-Sync support, 28" Size.
It also reports support for 640x480@60p, 800x600@60p and 1024x768@60p.
There is one "Native Timing"-Descriptor for 640x480@60i, which causes most cards to auto select a 15kHz mode.
There also is a "Monitor Range Limit"-Descriptor, calling 15-35kHz H-Sync, 25-70Hz V-Sync and "up to 210Mhz" Pixel Clock.
--- End quote ---
SailorSat:
For anyone interested, check out the source code at GitHub.
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