Most excellent thread and appropriate place to ask HOW I can get my G4 Mini to set and STORE the resolution I want (1280*720) for both OS and for EFI boot. I have set it to 720P but when I move it to my HDMI monitor it suddenly forgets it all again and I get no display. I know my 2009 Mini has had similar issues but did settle on 1080P (on my 1440P monitor).
Monitor (S2712DGFA) specs say
Resolution specifications HDMI DisplayPort Horizontal scan range 30 kHz to 230 kHz 30 kHz to 250 kHz Vertical scan range 48 Hz to 144 Hz 48 Hz to 165 Hz Maximum preset resolution 2560 x 1440 at 144 Hz 2560 x 1440 at 165 Hz Video display capabilities (HDMI & DP alternate mode) 480i, 480p, 576i, 576p, 720p, 1080i, 1080p
and
Display mode Horizontal frequency (kHz) Vertical frequency (Hz) Pixel clock (MHz) Sync polarity (Horizontal/ Vertical) VESA 720 x 400 31.469 70.087 28.322 -/+ VESA 640 x 480 31.469 59.94 25.175 -/- VESA 640 x 480 37.5 75 31.5 -/- VESA 800 x 600 37.879 60.317 40 +/+ VESA 800 x 600 46.875 75 49.5 +/+ VESA 1024 x 768 48.363 60.004 65 -/- VESA 1024 x 768 60.023 75.029 78.75 +/+ VESA 1152 x 864 67.5 75 108 +/+ VESA 1280 x 800 49.702 59.8 83.5 -/+ VESA 1280 x 1024 64 60 108 +/+ VESA 1280 x 1024 79.976 75.025 135 +/+ VESA 1600 x 1200 75 60 162 -/+ VESA 1680 x 1050 65.92 59.95 146.25 +/+ VESA 1920 x 1080 67.5 60 148.5 -/+ VESA 1920 x 1080 135 120 297 +/+ VESA 1920 x 1200 74.56 59.89 193.25 -/+ VESA 2048 x 1152 72 60 162 +/- VESA 2560 x 1080 66.66 60 185.581 +/- VESA 2560 x 1440 88.8 60 241.5 +/- VESA 2560 x 1440 182.996 120 497.75 +/- VESA 2560 x 1440 222.192 144 592 +/- VESA 2560 x 1440 (DisplayPort 1.4 only) 244.32 165 645 +/-
Monitor (S2712DGFA) specs say
Resolution specifications HDMI DisplayPort Horizontal scan range 30 kHz to 230 kHz 30 kHz to 250 kHz Vertical scan range 48 Hz to 144 Hz 48 Hz to 165 Hz Maximum preset resolution 2560 x 1440 at 144 Hz 2560 x 1440 at 165 Hz Video display capabilities (HDMI & DP alternate mode) 480i, 480p, 576i, 576p, 720p, 1080i, 1080p
and
Display mode Horizontal frequency (kHz) Vertical frequency (Hz) Pixel clock (MHz) Sync polarity (Horizontal/ Vertical) VESA 720 x 400 31.469 70.087 28.322 -/+ VESA 640 x 480 31.469 59.94 25.175 -/- VESA 640 x 480 37.5 75 31.5 -/- VESA 800 x 600 37.879 60.317 40 +/+ VESA 800 x 600 46.875 75 49.5 +/+ VESA 1024 x 768 48.363 60.004 65 -/- VESA 1024 x 768 60.023 75.029 78.75 +/+ VESA 1152 x 864 67.5 75 108 +/+ VESA 1280 x 800 49.702 59.8 83.5 -/+ VESA 1280 x 1024 64 60 108 +/+ VESA 1280 x 1024 79.976 75.025 135 +/+ VESA 1600 x 1200 75 60 162 -/+ VESA 1680 x 1050 65.92 59.95 146.25 +/+ VESA 1920 x 1080 67.5 60 148.5 -/+ VESA 1920 x 1080 135 120 297 +/+ VESA 1920 x 1200 74.56 59.89 193.25 -/+ VESA 2048 x 1152 72 60 162 +/- VESA 2560 x 1080 66.66 60 185.581 +/- VESA 2560 x 1440 88.8 60 241.5 +/- VESA 2560 x 1440 182.996 120 497.75 +/- VESA 2560 x 1440 222.192 144 592 +/- VESA 2560 x 1440 (DisplayPort 1.4 only) 244.32 165 645 +/-