Hos XLR8YourMac kan man läsa ett mejl han fått angående att köra detta hack på de nya iBookarna och lite råd hur man kan testa hacket utan att göra det permanent:
Dear XLR8YourMac,
I am writing to let you know that the firmware monitor spanning hack WORKS on my new November 2002 iBook. This is the recently released model with the 32 MB Radeon 7500 card. Mine is the mid-level (12" with 32MB VRAM) version.
I´ve also done some research into Open Firmware, and I have an important suggestion to people trying this hack. The instructions available on the web use "nvstore" and "setenv" to store a boot script and set a flag in NVRAM (non-volatile flash memory) to run that script at startup before OS X loads. Writing anything into flash is serious business.
To test the hack before committing it to flash, I suggest that the boot script be run--BUT NOT SAVED--using the commands "nvrun" and then "mac-boot" instead of "nv-store" and "setenv". The first command runs the script that was entered using nvedit, but without actually saving it to Flash. The second command exits Open Firmware and boots up OS X. In this way, one can test the dual monitor hack before committing it to Flash. Once confident that the hack works, it can then be burned into the Flash using the previously documented procedure. If it doesn´t work, then the next reboot will at least be normal.
As always, this is presented for information only, and I can not be liable for any damage that this seemingly safer procedure may cause to anyone´s computers.
Thanks
Rex Min
Han har även satt ihop en sida med feedback från användare som testat hacket.