Miscellaneous/special purpose x86 processors that have a protected mode, i.e. the 80286 and later processors, also have three descriptor registers (GDTR, LDTR, IDTR) and a task register (TR).
Miscellaneous/special purpose x86 processors that have a protected mode ie the 80286 and later processors also have three descriptor registers (GDTR LDTR IDTR) and a task register (TR)