![]() (4000 equals 4 seconds, 1000 equals 1 second, and so on.) It is recommended to refrain from using values below 1000, because it may be very hard to re-enter the Open Firmware command line interface again otherwise. It is possible to set up lower or higher numbers. By default the Open Firmware counts down from 5 before starting auto boot. > setenv boot-device we set the auto boot delay. There are alias names available if you did not remove them, so this /pci/ stuff can be replaced by a simple ide:0. Boot command and boot device will be added by using the Open Firmware. Then, define a boot file and set options. This will boot MorphOS from a device/partition named SDH2.įirst make sure its working when typing the commands by performing a test boot. Optimal arguments for running MorphOS with basic debug functionality being enabled. Optimal arguments for using MorphOS on Efika & Pegasos: Please note that boot.img and ide:0 need to be adjusted depending on your hardware and partition layout. As Open Firmware overwrites the first kB of the memory it may be useful to move the ram debug cache beyond that area. This option allows to move the used memory area which is usually at the beginning of the memory block. Using the size of 0 disables ramdebug and enables default (serial) debug. This may not be enough for several debug purposes, so this option allows to increase the amount of memory to the desired size. Normally the size of ram debug memory is 4MB on the Pegasos and 256kB on the Efika. This option allows to redirect debug into a predefined memory section. This may slow down debugging or cause massive system slowdowns whenever applications with enabled debug bd dh0:īy default, debug output is routed though the serial port. If there is more than one partition marked with the boot flag, you can use this option to specify the name of the boot drive / partition from which you would like MorphOS to be loaded, e.g. This switch forces the boot menu to be opened without any additional key or button press. The boot menu can be opened by using F1 or pressing your left mouse button during the boot up, but this may be tricky due to issues of wireless devices or USB ones in general. (" is important here, as it makes it fail and shows a template.) To get all available arguments simply use /N means a numeric argument is required.Fuh=Bar=Chicken/S allows to enable the same switch by using fuh, bar or chicken. = means you can use one of these key word as argument.no / behind argument means that a textual argument is expected.Just the boot image file name must be exact. If you are just searching for examples, skip the following part and take a look at the examples listed below. Using and understanding boot options requires a little knowledge about DOS pattern management. ![]()
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