Navthai : ชุมชนผู้ใช้งาน GPS อันดับหนึ่งของไทย

640x480 (by extrapolation) add in the sys.txt:

[Interface]
resolution_dir = "320_240"
screen_x = 640
screen_y = 480
[Rawdisplay]
HighRes = 1
screen_x = 640
screen_y = 480
class = "landscape"

480x640 (by extrapolation) add in the sys.txt:

[Interface]
resolution_dir = "240_320"
screen_x = 480
screen_y = 640
[Rawdisplay]
HighRes = 1
screen_x = 480
screen_y = 640
class = "portrait"

480x800 (by extrapolation) add in the sys.txt:

[Interface]
resolution_dir = "240_400"
screen_x = 480
screen_y = 800
[Rawdisplay]
HighRes = 1
screen_x = 480
screen_y = 800
class = "portrait"

800x480 (by extrapolation) add in the sys.txt:

[Interface]
resolution_dir = "400_240"
screen_x = 800
screen_y = 480
[Rawdisplay]
HighRes = 1
screen_x = 800
screen_y = 480
class = "landscape"

As usual make sure to read the readme.txt before installation