How to force Intel HD3000 (Sandy Bridge) to display 4K (3840×2160) resolution

Imagine you purchased some cool new 4K TV and you want to display photos at maximum resolution from your laptop or perhaps use the display for your huuuge Excel spreadsheets, but your old crappy laptop says it cannot go beyond fullHD (1920×1080 or 1920×1200). Phew. The issue is with the older DisplayPort or HDMI standards.

It is however often possible to force some display mode that can fit with its bandwidth and frequency requirements to the older standards. I was able to play full 4K on an old Sandy Bridge laptop (HP Elitebook 8460p) with integrated Intel HD3000 graphic adapter, however only at mediocre 20 Hz resolution with GTF or CVT 1.1 timings (With CVT 1.2 reduced blanking even 24 or 25 Hz should be possible). At 1440p, it was capable of 30 Hz even on GTF. While 20 Hz is useless for watching films, 24 or 30 Hz may be sufficient (the TV does not flicker anyway, it just displays the same frame 2 or 3 times to fit the native 60 Hz panel…). For a slideshow of photos or working with Adobe Lightroom or Excel, even 20 Hz may be sufficient.

How to do it on Linux:

Connect TV to the HDMI port (I have only DisplayPort so I use a passive DP to HDMI adapter and then a regular HDMI cable. The graphic adapter can detect this scenario and output HDMI-compatible signal over DisplayPort wires). Use xrandr or better, a graphical tool arandr to see what is the name of this interface (mine is HDMI3).

Use this online tool (that is using older GTF timings) or command line tools gtf or cvt to generate timing values for your resolution. Default cvt timing tool is however not able to use the newer CVT 1.2 reduced blanking intervals for rates other than multiples of 60 Hz:

For 1440p at 30 Hz, enter

cvt 2560 1440 30

and for 4k at 20 Hz, enter

cvt 3840 2160 20

into terminal. These timings will be output for the commands using CVT timings:

# 2560x1440 29.94 Hz (CVT) hsync: 43.95 kHz; pclk: 146.25 MHz
Modeline "2560x1440_30.00"  146.25  2560 2680 2944 3328  1440 1443 1448 1468 -hsync +vsync

# 3840x2160 19.98 Hz (CVT) hsync: 43.72 kHz; pclk: 218.25 MHz
Modeline "3840x2160_20.00"  218.25  3840 4024 4416 4992  2160 2163 2168 2188 -hsync +vsync

If you however download and compile this CVT modeline calculator 1.2 you can push 4K thanks to reduced blanking intervals from 20 to 24 or even 25 Hz to still fit into the maximum 225 MHz supported by Intel HD3000/4000 and HDMI 1.3 protocols:

# 3840x2160 @ 24.000 Hz Reduced Blank (CVT) field rate 24.000 Hz; hsync: 52.656 kHz; pclk: 210.62 MHz
Modeline "3840x2160_24.00" 210.62 3840 3888 3920 4000 2160 2183 2188 2194 +hsync -vsync
# # 3840x2160 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 54.850 kHz; pclk: 219.40 MHz
Modeline "3840x2160_25.00" 219.40 3840 3888 3920 4000 2160 2183 2188 2194 +hsync -vsync
# # 3840x2160 @ 23.980 Hz Reduced Blank (CVT) field rate 23.980 Hz; hsync: 52.612 kHz; pclk: 210.45 MHz
Modeline "3840x2160_23.98" 210.45 3840 3888 3920 4000 2160 2183 2188 2194 +hsync -vsync

What is relevant for us are the timing parameters in bold which we enter as a new custom mode that we then assign to the HDMI3 interface as a new valid mode that can be selected:

xrandr --newmode [PARAMETERS]

so in practise,

xrandr --newmode "2560x1440_30.00" 146.25 2560 2680 2944 3328 1440 1443 1448 1468 -hsync +vsync

xrandr --newmode "3840x2160_20.00" 218.25 3840 4024 4416 4992 2160 2163 2168 2188 -hsync +vsync

xrandr --newmode "3840x2160_24.00" 210.62 3840 3888 3920 4000 2160 2183 2188 2194 +hsync -vsync

xrandr --newmode "3840x2160_25.00" 219.40 3840 3888 3920 4000 2160 2183 2188 2194 +hsync -vsync

xrandr --newmode "3840x2160_23.98" 210.45 3840 3888 3920 4000 2160 2183 2188 2194 +hsync -vsync

the first two of them to create regular blanking modes (more compatible), or the last three for CVT 1.2 reduced blanking modes (less compatible).

xrandr --addmode HDMI3 "[MODENAME]"

to assign the particular mode to the graphic interface HDMI3. Concretely:

xrandr --addmode HDMI3 "2560x1440_30.00"

xrandr --addmode HDMI3 "3840x2160_20.00"

xrandr --addmode HDMI3 "3840x2160_24.00"

xrandr --addmode HDMI3 "3840x2160_25.00"

xrandr --addmode HDMI3 "3840x2160_23.98"

Finally you can open arandr or other GUI tool to select resolution, or use command-line to push this custom resolution to the TV screen. Some screens may not support these non-standard resolutions, refresh rates and timings, some will. Anyway compared to the always repeated statement how HD3000 cannot display 4K, this is clearly false – it CAN display this resolution, however at a greatly reduced refresh rate, so the signal fits into the 225 MHz limitation. If you can calculate the timings so that you fit into this restriction, and you have a compatible display device that can manage it, you can enjoy UltraHD on much older hardware, or a newer GPU but with DisplayPort 1.2, HDMI 1.3 outputs etc. There are some compromises but for some use cases (Lightroom photo management, Excel, powerpoint slides) even the 20Hz refresh rate may be sufficient. Regular films are often at 23.975 fps so the one of the reduced blanking interval timings should be perfect for them, and 25 fps should be optimal for Europen-based „PAL“ recordings which are usually at 25 fps.

Good luck :-)

Autor

Martin

Pracuji jako ajťák a grafik na volné noze, zejména ale pro brněnskou firmičku vyrábějící ekodrogerii. Dále působím v brněnském systému místní směny Rozleťse, Českém zahrádkářském svazu, České psychedelické společnosti, spolku Archetypal a Mezinárodní komunitě dzogčhenu. Asi mě baví kumulovat různé funkce a přidávat si spoustu práce. Lidi o mě říkají, že jsem multifunkční, což je asi trochu pravda :-) Chcete mě podpořit? BTC: 37mf2FJR26Ce3DxMkocukJDgB1eVjasnZB, příp. PGP podepsané adresy dalších kryptoměn.

2 komentáře u „How to force Intel HD3000 (Sandy Bridge) to display 4K (3840×2160) resolution“

  1. Theoretically the absolute maximum resolution at 30 Hz and reduced blanking, where both numbers are divisible by 8, should be 3584×2016:

    # 3584x2016 @ 30.000 Hz Reduced Blank (CVT) field rate 29.970 Hz; hsync: 61.288 kHz; pclk: 224.56 MHz
    Modeline "3584x2016_30.00_rb2" 224.56 3584 3592 3624 3664 2016 2031 2039 2045 +hsync -vsync

  2. and a list of all possible resolutions with reasonable refresh rates where timings should be capable of fitting into the limitation of 225 MHz.

    # 3840x2160 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 52.388 kHz; pclk: 205.36 MHz
    Modeline "3840x2160_24.00_rb2" 205.36 3840 3848 3880 3920 2160 2171 2179 2185 +hsync -vsync
    # 3712x2088 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 50.637 kHz; pclk: 192.02 MHz
    Modeline "3712x2088_24.00_rb2" 192.02 3712 3720 3752 3792 2088 2098 2106 2112 +hsync -vsync
    # 3584x2016 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 48.887 kHz; pclk: 179.12 MHz
    Modeline "3584x2016_24.00_rb2" 179.12 3584 3592 3624 3664 2016 2025 2033 2039 +hsync -vsync
    # 3456x1944 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 47.137 kHz; pclk: 166.68 MHz
    Modeline "3456x1944_24.00_rb2" 166.68 3456 3464 3496 3536 1944 1952 1960 1966 +hsync -vsync
    # 3328x1872 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 45.386 kHz; pclk: 154.68 MHz
    Modeline "3328x1872_24.00_rb2" 154.68 3328 3336 3368 3408 1872 1879 1887 1893 +hsync -vsync
    # 3200x1800 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 43.660 kHz; pclk: 143.21 MHz
    Modeline "3200x1800_24.00_rb2" 143.21 3200 3208 3240 3280 1800 1807 1815 1821 +hsync -vsync
    # 3072x1728 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 41.910 kHz; pclk: 132.10 MHz
    Modeline "3072x1728_24.00_rb2" 132.10 3072 3080 3112 3152 1728 1734 1742 1748 +hsync -vsync
    # 2944x1656 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 40.160 kHz; pclk: 121.44 MHz
    Modeline "2944x1656_24.00_rb2" 121.44 2944 2952 2984 3024 1656 1661 1669 1675 +hsync -vsync
    # 2816x1584 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 38.410 kHz; pclk: 111.23 MHz
    Modeline "2816x1584_24.00_rb2" 111.23 2816 2824 2856 2896 1584 1588 1596 1602 +hsync -vsync
    # 2688x1512 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 36.659 kHz; pclk: 101.47 MHz
    Modeline "2688x1512_24.00_rb2" 101.47 2688 2696 2728 2768 1512 1515 1523 1529 +hsync -vsync
    # 2560x1440 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 34.933 kHz; pclk: 92.22 MHz
    Modeline "2560x1440_24.00_rb2" 92.22 2560 2568 2600 2640 1440 1443 1451 1457 +hsync -vsync
    # 2432x1368 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 33.183 kHz; pclk: 83.36 MHz
    Modeline "2432x1368_24.00_rb2" 83.36 2432 2440 2472 2512 1368 1370 1378 1384 +hsync -vsync
    # 2304x1296 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 31.432 kHz; pclk: 74.94 MHz
    Modeline "2304x1296_24.00_rb2" 74.94 2304 2312 2344 2384 1296 1297 1305 1311 +hsync -vsync
    # 2176x1224 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 29.706 kHz; pclk: 67.02 MHz
    Modeline "2176x1224_24.00_rb2" 67.02 2176 2184 2216 2256 1224 1225 1233 1239 +hsync -vsync
    # 2048x1152 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 27.980 kHz; pclk: 59.54 MHz
    Modeline "2048x1152_24.00_rb2" 59.54 2048 2056 2088 2128 1152 1153 1161 1167 +hsync -vsync
    # 1920x1080 @ 24.000 Hz Reduced Blank (CVT) field rate 23.976 Hz; hsync: 26.254 kHz; pclk: 52.51 MHz
    Modeline "1920x1080_24.00_rb2" 52.51 1920 1928 1960 2000 1080 1081 1089 1095 +hsync -vsync

    # 3840x2160 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 54.650 kHz; pclk: 214.23 MHz
    Modeline "3840x2160_25.00_rb2" 214.23 3840 3848 3880 3920 2160 2172 2180 2186 +hsync -vsync
    # 3712x2088 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 52.825 kHz; pclk: 200.31 MHz
    Modeline "3712x2088_25.00_rb2" 200.31 3712 3720 3752 3792 2088 2099 2107 2113 +hsync -vsync
    # 3584x2016 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 51.000 kHz; pclk: 186.86 MHz
    Modeline "3584x2016_25.00_rb2" 186.86 3584 3592 3624 3664 2016 2026 2034 2040 +hsync -vsync
    # 3456x1944 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 49.175 kHz; pclk: 173.88 MHz
    Modeline "3456x1944_25.00_rb2" 173.88 3456 3464 3496 3536 1944 1953 1961 1967 +hsync -vsync
    # 3328x1872 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 47.350 kHz; pclk: 161.37 MHz
    Modeline "3328x1872_25.00_rb2" 161.37 3328 3336 3368 3408 1872 1880 1888 1894 +hsync -vsync
    # 3200x1800 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 45.525 kHz; pclk: 149.32 MHz
    Modeline "3200x1800_25.00_rb2" 149.32 3200 3208 3240 3280 1800 1807 1815 1821 +hsync -vsync
    # 3072x1728 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 43.725 kHz; pclk: 137.82 MHz
    Modeline "3072x1728_25.00_rb2" 137.82 3072 3080 3112 3152 1728 1735 1743 1749 +hsync -vsync
    # 2944x1656 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 41.900 kHz; pclk: 126.71 MHz
    Modeline "2944x1656_25.00_rb2" 126.71 2944 2952 2984 3024 1656 1662 1670 1676 +hsync -vsync
    # 2816x1584 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 40.075 kHz; pclk: 116.06 MHz
    Modeline "2816x1584_25.00_rb2" 116.06 2816 2824 2856 2896 1584 1589 1597 1603 +hsync -vsync
    # 2688x1512 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 38.250 kHz; pclk: 105.88 MHz
    Modeline "2688x1512_25.00_rb2" 105.88 2688 2696 2728 2768 1512 1516 1524 1530 +hsync -vsync
    # 2560x1440 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 36.425 kHz; pclk: 96.16 MHz
    Modeline "2560x1440_25.00_rb2" 96.16 2560 2568 2600 2640 1440 1443 1451 1457 +hsync -vsync
    # 2432x1368 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 34.600 kHz; pclk: 86.92 MHz
    Modeline "2432x1368_25.00_rb2" 86.92 2432 2440 2472 2512 1368 1370 1378 1384 +hsync -vsync
    # 2304x1296 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 32.800 kHz; pclk: 78.20 MHz
    Modeline "2304x1296_25.00_rb2" 78.20 2304 2312 2344 2384 1296 1298 1306 1312 +hsync -vsync
    # 2176x1224 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 30.975 kHz; pclk: 69.88 MHz
    Modeline "2176x1224_25.00_rb2" 69.88 2176 2184 2216 2256 1224 1225 1233 1239 +hsync -vsync
    # 2048x1152 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 29.175 kHz; pclk: 62.08 MHz
    Modeline "2048x1152_25.00_rb2" 62.08 2048 2056 2088 2128 1152 1153 1161 1167 +hsync -vsync
    # 1920x1080 @ 25.000 Hz Reduced Blank (CVT) field rate 25.000 Hz; hsync: 27.375 kHz; pclk: 54.75 MHz
    Modeline "1920x1080_25.00_rb2" 54.75 1920 1928 1960 2000 1080 1081 1089 1095 +hsync -vsync

    # 3584x2016 @ 30.000 Hz Reduced Blank (CVT) field rate 30.000 Hz; hsync: 61.350 kHz; pclk: 224.79 MHz
    Modeline "3584x2016_30.00_rb2" 224.79 3584 3592 3624 3664 2016 2031 2039 2045 +hsync -vsync
    # 3456x1944 @ 30.000 Hz Reduced Blank (CVT) field rate 30.000 Hz; hsync: 59.160 kHz; pclk: 209.19 MHz
    Modeline "3456x1944_30.00_rb2" 209.19 3456 3464 3496 3536 1944 1958 1966 1972 +hsync -vsync
    # 3328x1872 @ 30.000 Hz Reduced Blank (CVT) field rate 30.000 Hz; hsync: 56.970 kHz; pclk: 194.15 MHz
    Modeline "3328x1872_30.00_rb2" 194.15 3328 3336 3368 3408 1872 1885 1893 1899 +hsync -vsync
    # 3200x1800 @ 30.000 Hz Reduced Blank (CVT) field rate 30.000 Hz; hsync: 54.780 kHz; pclk: 179.68 MHz
    Modeline "3200x1800_30.00_rb2" 179.68 3200 3208 3240 3280 1800 1812 1820 1826 +hsync -vsync
    # 3072x1728 @ 30.000 Hz Reduced Blank (CVT) field rate 30.000 Hz; hsync: 52.590 kHz; pclk: 165.76 MHz
    Modeline "3072x1728_30.00_rb2" 165.76 3072 3080 3112 3152 1728 1739 1747 1753 +hsync -vsync
    # 2944x1656 @ 30.000 Hz Reduced Blank (CVT) field rate 30.000 Hz; hsync: 50.400 kHz; pclk: 152.41 MHz
    Modeline "2944x1656_30.00_rb2" 152.41 2944 2952 2984 3024 1656 1666 1674 1680 +hsync -vsync
    # 2816x1584 @ 30.000 Hz Reduced Blank (CVT) field rate 30.000 Hz; hsync: 48.210 kHz; pclk: 139.62 MHz
    Modeline "2816x1584_30.00_rb2" 139.62 2816 2824 2856 2896 1584 1593 1601 1607 +hsync -vsync
    # 2688x1512 @ 30.000 Hz Reduced Blank (CVT) field rate 30.000 Hz; hsync: 46.020 kHz; pclk: 127.38 MHz
    Modeline "2688x1512_30.00_rb2" 127.38 2688 2696 2728 2768 1512 1520 1528 1534 +hsync -vsync
    # 2560x1440 @ 30.000 Hz Reduced Blank (CVT) field rate 30.000 Hz; hsync: 43.830 kHz; pclk: 115.71 MHz
    Modeline "2560x1440_30.00_rb2" 115.71 2560 2568 2600 2640 1440 1447 1455 1461 +hsync -vsync
    # 2432x1368 @ 30.000 Hz Reduced Blank (CVT) field rate 30.000 Hz; hsync: 41.640 kHz; pclk: 104.60 MHz
    Modeline "2432x1368_30.00_rb2" 104.60 2432 2440 2472 2512 1368 1374 1382 1388 +hsync -vsync
    # 2304x1296 @ 30.000 Hz Reduced Blank (CVT) field rate 30.000 Hz; hsync: 39.450 kHz; pclk: 94.05 MHz
    Modeline "2304x1296_30.00_rb2" 94.05 2304 2312 2344 2384 1296 1301 1309 1315 +hsync -vsync
    # 2176x1224 @ 30.000 Hz Reduced Blank (CVT) field rate 30.000 Hz; hsync: 37.260 kHz; pclk: 84.06 MHz
    Modeline "2176x1224_30.00_rb2" 84.06 2176 2184 2216 2256 1224 1228 1236 1242 +hsync -vsync
    # 2048x1152 @ 30.000 Hz Reduced Blank (CVT) field rate 30.000 Hz; hsync: 35.070 kHz; pclk: 74.63 MHz
    Modeline "2048x1152_30.00_rb2" 74.63 2048 2056 2088 2128 1152 1155 1163 1169 +hsync -vsync
    # 1920x1080 @ 30.000 Hz Reduced Blank (CVT) field rate 30.000 Hz; hsync: 32.880 kHz; pclk: 65.76 MHz
    Modeline "1920x1080_30.00_rb2" 65.76 1920 1928 1960 2000 1080 1082 1090 1096 +hsync -vsync

    # 2816x1584 @ 48.000 Hz Reduced Blank (CVT) field rate 47.952 Hz; hsync: 77.682 kHz; pclk: 224.97 MHz
    Modeline "2816x1584_48.00_rb2" 224.97 2816 2824 2856 2896 1584 1606 1614 1620 +hsync -vsync
    # 2688x1512 @ 48.000 Hz Reduced Blank (CVT) field rate 47.952 Hz; hsync: 74.182 kHz; pclk: 205.34 MHz
    Modeline "2688x1512_48.00_rb2" 205.34 2688 2696 2728 2768 1512 1533 1541 1547 +hsync -vsync
    # 2560x1440 @ 48.000 Hz Reduced Blank (CVT) field rate 47.952 Hz; hsync: 70.633 kHz; pclk: 186.47 MHz
    Modeline "2560x1440_48.00_rb2" 186.47 2560 2568 2600 2640 1440 1459 1467 1473 +hsync -vsync
    # 2432x1368 @ 48.000 Hz Reduced Blank (CVT) field rate 47.952 Hz; hsync: 67.085 kHz; pclk: 168.52 MHz
    Modeline "2432x1368_48.00_rb2" 168.52 2432 2440 2472 2512 1368 1385 1393 1399 +hsync -vsync
    # 2304x1296 @ 48.000 Hz Reduced Blank (CVT) field rate 47.952 Hz; hsync: 63.584 kHz; pclk: 151.59 MHz
    Modeline "2304x1296_48.00_rb2" 151.59 2304 2312 2344 2384 1296 1312 1320 1326 +hsync -vsync
    # 2176x1224 @ 48.000 Hz Reduced Blank (CVT) field rate 47.952 Hz; hsync: 60.036 kHz; pclk: 135.44 MHz
    Modeline "2176x1224_48.00_rb2" 135.44 2176 2184 2216 2256 1224 1238 1246 1252 +hsync -vsync
    # 2048x1152 @ 48.000 Hz Reduced Blank (CVT) field rate 47.952 Hz; hsync: 56.535 kHz; pclk: 120.31 MHz
    Modeline "2048x1152_48.00_rb2" 120.31 2048 2056 2088 2128 1152 1165 1173 1179 +hsync -vsync
    # 1920x1080 @ 48.000 Hz Reduced Blank (CVT) field rate 47.952 Hz; hsync: 52.987 kHz; pclk: 105.97 MHz
    Modeline "1920x1080_48.00_rb2" 105.97 1920 1928 1960 2000 1080 1091 1099 1105 +hsync -vsync

    # 2688x1512 @ 50.000 Hz Reduced Blank (CVT) field rate 50.000 Hz; hsync: 77.400 kHz; pclk: 214.24 MHz
    Modeline "2688x1512_50.00_rb2" 214.24 2688 2696 2728 2768 1512 1534 1542 1548 +hsync -vsync
    # 2560x1440 @ 50.000 Hz Reduced Blank (CVT) field rate 50.000 Hz; hsync: 73.700 kHz; pclk: 194.57 MHz
    Modeline "2560x1440_50.00_rb2" 194.57 2560 2568 2600 2640 1440 1460 1468 1474 +hsync -vsync
    # 2432x1368 @ 50.000 Hz Reduced Blank (CVT) field rate 50.000 Hz; hsync: 70.050 kHz; pclk: 175.97 MHz
    Modeline "2432x1368_50.00_rb2" 175.97 2432 2440 2472 2512 1368 1387 1395 1401 +hsync -vsync
    # 2304x1296 @ 50.000 Hz Reduced Blank (CVT) field rate 50.000 Hz; hsync: 66.350 kHz; pclk: 158.18 MHz
    Modeline "2304x1296_50.00_rb2" 158.18 2304 2312 2344 2384 1296 1313 1321 1327 +hsync -vsync
    # 2176x1224 @ 50.000 Hz Reduced Blank (CVT) field rate 50.000 Hz; hsync: 62.650 kHz; pclk: 141.34 MHz
    Modeline "2176x1224_50.00_rb2" 141.34 2176 2184 2216 2256 1224 1239 1247 1253 +hsync -vsync
    # 2048x1152 @ 50.000 Hz Reduced Blank (CVT) field rate 50.000 Hz; hsync: 59.000 kHz; pclk: 125.55 MHz
    Modeline "2048x1152_50.00_rb2" 125.55 2048 2056 2088 2128 1152 1166 1174 1180 +hsync -vsync
    # 1920x1080 @ 50.000 Hz Reduced Blank (CVT) field rate 50.000 Hz; hsync: 55.300 kHz; pclk: 110.60 MHz
    Modeline "1920x1080_50.00_rb2" 110.60 1920 1928 1960 2000 1080 1092 1100 1106 +hsync -vsync

    # 2432x1368 @ 60.000 Hz Reduced Blank (CVT) field rate 60.000 Hz; hsync: 84.420 kHz; pclk: 212.06 MHz
    Modeline "2432x1368_60.00_rb2" 212.06 2432 2440 2472 2512 1368 1393 1401 1407 +hsync -vsync
    # 2304x1296 @ 60.000 Hz Reduced Blank (CVT) field rate 60.000 Hz; hsync: 79.980 kHz; pclk: 190.67 MHz
    Modeline "2304x1296_60.00_rb2" 190.67 2304 2312 2344 2384 1296 1319 1327 1333 +hsync -vsync
    # 2176x1224 @ 60.000 Hz Reduced Blank (CVT) field rate 60.000 Hz; hsync: 75.540 kHz; pclk: 170.42 MHz
    Modeline "2176x1224_60.00_rb2" 170.42 2176 2184 2216 2256 1224 1245 1253 1259 +hsync -vsync
    # 2048x1152 @ 60.000 Hz Reduced Blank (CVT) field rate 60.000 Hz; hsync: 71.100 kHz; pclk: 151.30 MHz
    Modeline "2048x1152_60.00_rb2" 151.30 2048 2056 2088 2128 1152 1171 1179 1185 +hsync -vsync
    # 1920x1080 @ 60.000 Hz Reduced Blank (CVT) field rate 60.000 Hz; hsync: 66.660 kHz; pclk: 133.32 MHz
    Modeline "1920x1080_60.00_rb2" 133.32 1920 1928 1960 2000 1080 1097 1105 1111 +hsync -vsync

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