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DIP switch settings for Mac to VGA adapter
- Thread starter bigmessowires
- Start date
jessenator
Well-known member
Click the link. It's hosted on imgur, not on 68kmla.
I see the link. It shows settings for the Viewsonic adapter AC-AT Mac II-02, which presumably was meant for a Mac II era system. For 1152x870 resolution SW 1-4 are all on. SW 5-8 depend on the sync method required by the monitor. Sync on Green 5-8 all off.
You need an adapter that supports "multi mode", aka multisync mode. This will tell the computer to enable a list of resolutions in the Monitors control panel. OS8 should support 1280x1024 in theory, but unless its a later PowerMac, it might not have enough VRAM to actually support resolutions that high. I know my beige Powermac G3 had no problem doing it.
jessenator
Well-known member
I'll assume I008com's mac in question is the 7300 in their signature, yes?
https://support.apple.com/kb/SP364?locale=en_US
Looks like the resolution should go up that high even with only 2 MB of VRAM (albeit at 256 colors...).
Another option, which might be a long shot, would be a Radius Pivot cable (at least that's what mine was hand-labeled as...), which is a standard DB-15 male to HD-15 male and no PCB trickery in between:
It's worked, plug-n-play, on every Power Mac I have (4400, PowerWave*, PMG3MT) connected to my Sony TFT display. The display in question might be the bigger X-factor in this case, however. From either control strip or the monitors control panel, you should have access to every resolution/refresh combo the monitor can handle (and in some cases more than it can handle...) Can't attest to any CRT performance, sadly.
*the PowerWave requires a PCI video card. The from-factory option (I think) was a Mach64.
https://support.apple.com/kb/SP364?locale=en_US
Looks like the resolution should go up that high even with only 2 MB of VRAM (albeit at 256 colors...).
Another option, which might be a long shot, would be a Radius Pivot cable (at least that's what mine was hand-labeled as...), which is a standard DB-15 male to HD-15 male and no PCB trickery in between:
It's worked, plug-n-play, on every Power Mac I have (4400, PowerWave*, PMG3MT) connected to my Sony TFT display. The display in question might be the bigger X-factor in this case, however. From either control strip or the monitors control panel, you should have access to every resolution/refresh combo the monitor can handle (and in some cases more than it can handle...) Can't attest to any CRT performance, sadly.
*the PowerWave requires a PCI video card. The from-factory option (I think) was a Mach64.
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