The following XF86Config "Device" section should work for all configurations:
Section "Device" Identifier "CardPC" VendorName "EPSON" BoardName "CardPC" Chipset "spc8110" Option "sw_cursor" Membase 0x03e00000 Option "no_linear" Option "noaccel" Option "fifo_moderate" EndSection
This Modeline was tested in a 640x480 panel configuration:
Modeline "640x480" 28.36 640 672 768 800 480 490 492 525
These Modelines were tested in a CRT configuration:
Modeline "640x480" 25.175 640 664 760 800 480 491 493 525 Modeline "800x600" 36 800 824 896 1024 600 601 603 625 ModeLine "832x624" 40 832 873 1001 1090 624 625 627 651 Modeline "640x400" 25.175 640 664 760 800 400 409 411 450