On Dec 29, 2010, at 3:41 AM, Clark Martin wrote:
Many "non-Mac" drive controller cards can be used on a Mac but you can't boot from them. This is because the ROM on the board (if any) doesn't have code for a Mac. To be bootable the card needs a Mac compatible ROM.
This is true, but . . . if any competent programmer would look into the source code for XPostFacto, the "key" innovation of XPostFacto was the ability to start the boot process on one "bootable" hardware device, and load some of the extensions that will enable another "unbootable" hardware device, and then hand-off the boot to this other normally unbootable device. In XPostFacto this is called the "Helper Disk" boot option, and it's extremely useful for making normally unbootable PCI cards such as PCI Firewire cards or PCI ATA cards bootable. This means that theoretically ANY unbootable card or device could be made bootable by a simple little program that does what XPostFacto does. I wish someone would get the XPostFacto source and write a new little universal application called something like "Boot Helper" that would do just this, and make all these cheap but unbootable PC-version cards bootable in all Macs.
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