本文档提供了详细的步骤指导用户如何将HDMI设备在Windows系统中的默认显示模式设置为720p分辨率，适用于希望优化高清电视或显示器显示效果的用户。
默认hdmi输出设置为720p：
[disp]
disp_init_enable = 1
disp_mode = 0
screen0_output_type = 3
screen0_output_mode = 4
screen0_output_format = 1
screen0_output_bits = 0
screen0_output_eotf = 4
screen0_output_cs = 257
screen0_output_dvi_hdmi = 2
screen0_output_range = 2
screen0_output_scan = 0
screen0_output_aspect_ratio = 8
screen1_output_type = 3
screen1_output_mode = 2
screen1_output_format = 1
screen1_output_bits = 0
screen1_output_eotf = 4
screen1_output_cs = 260
screen1_output_dvi_hdmi = 2
screen1_output_range = 2
screen1_output_scan = 0
screen1_output_aspect_ratio = 8
dev0_output_type = 4
dev0_output_mode = 4
dev0_screen_id = 0
dev0_do_hpd = 1
dev1_output_type = 2
dev1_output_mode = 11
dev1_screen_id = 1
dev1_do_hpd = 1
def_output_dev = 0
hdmi_mode_check = 1
fb0_format = 0
fb0_width = 1280
fb0_height = 720
fb1_format = 0
fb1_width = 0
fb1_height = 0
disp_para_zone = 1
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