GT4 Family 24-bit Adapters

To find out if an adapter is truly 24-bit, you should see the following after entering lsdev -Ccadapter:

	gt4
	ppr0   Available 00-02    POWER Gt4 Midrange Graphics Adapter
   	pgr0   Defined   00-03    POWER Gt4 Midrange 8-bit Frame Buffer
   	pop0   Defined   00-04    POWER Gt4 Midrange 24-bit Frame Buffer option

	gt4x
	ppr0    Available 00-02    POWER Gt4 Midrange Graphics Adapter
	ppc0    Defined   00-02-01 POWER Gt4x Midrange Graphics Adapter Turbo
	pgr0    Defined   00-03    POWER Gt4 Midrange 8-bit Frame Buffer
	pop0    Defined   00-04    POWER Gt4 Midrange 24-bit Frame Buffer option

	gt4xi
	ppr0    Available 00-02    POWER Gt4xi Graphics Adapter
	pgt0    Defined   00-03    POWER Gt4 24-bit Feature

If you do not see the preceding entries, the adapter is probably NOT 24-bit.