Need all 3, some are memory regions from IGPU and some are from System Board related to graphics configuration.
wangjuntao@wangjuntaos-MBP ~ % /Users/wangjuntao/Desktop/ioio -s org_rehabman_ACPIDebug dbg0 0
argv[0] = { /Users/wangjuntao/Desktop/ioio }
argv[1] = { -s }
argv[2] = { org_rehabman_ACPIDebug }
argv[3] = { dbg0 }
argv[4] = { 0 }
ioio: setting property 'org_rehabman_ACPIDebug:dbg0' as number to 0 (0x0)
wangjuntao@wangjuntaos-MBP ~ % /Users/wangjuntao/Desktop/ioio -s org_rehabman_ACPIDebug dbg0 0
argv[0] = { /Users/wangjuntao/Desktop/ioio }
argv[1] = { -s }
argv[2] = { org_rehabman_ACPIDebug }
argv[3] = { dbg0 }
argv[4] = { 0 }
ioio: setting property 'org_rehabman_ACPIDebug:dbg0' as number to 0 (0x0)
wangjuntao@wangjuntaos-MBP ~ %
You can check if there is a difference, the first file is working with an external monitor, and the laptop screen is off. The second is to turn on the notebook screen, but it does not display. When turned on, the external screen will go black, but it will still light up. The internal screen of the notebook is not working.