- // Some BIOSes report that extended disk access functions are not supported
- // when booting from a CD (e.g. Phoenix BIOS v6.00PG and Insyde BIOS shipping
- // with Intel Macs). Therefore we just return TRUE if we're booting from a CD -
- // we can assume that all El Torito capable BIOSes support INT 13 extensions.
- // We simply detect whether we're booting from CD by checking whether the drive
- // number is >= 0x90. It's 0x90 on the Insyde BIOS, and 0x9F on most other BIOSes.
- if (DriveNumber >= 0x90)
- {
- LastSupported = TRUE;
- return TRUE;
- }
-