Re: Sync on Green RGB video

2017-11-20 Thread Lyle Bickley via cctech
On Sat, 18 Nov 2017 18:44:07 -0500 william degnan via cctech wrote: > On Nov 18, 2017 4:09 PM, "Douglas Taylor via cctech" > wrote: > > > > I have a couple of vaxes that output 'unique' video, Alpha 3000 > > 300, > Alpha 3000 400, Vax 4000 VLC, and Vax Station 3100 M76. > > > > The Alpha and V

Re: Sync on Green RGB video

2017-11-20 Thread emanuel stiebler via cctech
On 2017-11-18 14:09, Douglas Taylor via cctech wrote: > I have a couple of vaxes that output 'unique' video, Alpha 3000 300, > Alpha 3000 400, Vax 4000 VLC, and Vax Station 3100 M76. > > The Alpha and VLC each have a 3W3 type of connector and the 3100 has a > 15 pin DEC designed connector. The 3w

Re: Sync on Green RGB video

2017-11-20 Thread Aaron Jackson via cctech
You might be surprised how many LCD monitors support SoG. I have several iiyama LCD panels which work fine with a 3100. Aaron. Douglas Taylor via cctech writes: > I have a couple of vaxes that output 'unique' video, Alpha 3000 300, > Alpha 3000 400, Vax 4000 VLC, and Vax Station 3100 M76. > > T

Re: Sync on Green RGB video

2017-11-20 Thread Marco Rauhut via cctech
I have the same problem with a cheap 19" LCD VGA Screen. What i made is to seperate the required sync signal with an LM1881 Video Sync Seperator. I used the standard application from the TI datasheet.The only difference is that i used an viariable resistor on pin 6 to adjust to the Sync Frequen

Re: Sync on Green RGB video

2017-11-20 Thread jim stephens via cctech
On 11/18/2017 3:44 PM, william degnan via cctech wrote: On Nov 18, 2017 4:09 PM, "Douglas Taylor via cctech" wrote: I have a couple of vaxes that output 'unique' video, Alpha 3000 300, Alpha 3000 400, Vax 4000 VLC, and Vax Station 3100 M76. The Alpha and VLC each have a 3W3 type of connecto

Re: Sync on Green RGB video

2017-11-20 Thread Chuck Guzis via cctech
On 11/18/2017 01:21 PM, Aaron Jackson via cctech wrote: > You might be surprised how many LCD monitors support SoG. I have several > iiyama LCD panels which work fine with a 3100. > All of my NEC Multisync LCD ones do--some even have 5 BNC connectors for video input. --Chuck

Re: Sync on Green RGB video

2017-11-20 Thread william degnan via cctech
I have a 3100 Vasstation but I have not used it yet.. I have only used my MicroVAX 3100. On Sat, Nov 18, 2017 at 4:21 PM, Aaron Jackson via cctech < cctech@classiccmp.org> wrote: > You might be surprised how many LCD monitors support SoG. I have several > iiyama LCD panels which work fine with a