提供了OEM密匙作为特别的密码来保护OEM商的软件投资。OEM密匙非空时，CPU可能处于禁止任何读写的状态。这允许OEM商为CPU编制控制程序，并且设定OEM.锁定模式，以防止最终用户读取或修改程序。注意:护不允许进行闪存固件更新。
AEC Whitlock Vacuum Loader Control VTC036L3 #38348
Avalon Vision Scope Pro 10434 #31737
Nelmor GE10LS Grinder/Granulator 1.0 Hp #22960
Siemens Control Module 6ES5 252-3AA13 #23430
Zaytran Parallel Gripper GPL-400-SM #32250
Barber Colman Maco 4000 Operator Interface #37586
Barber Colman Maco 4000 41AE-261D3-216-1-00 #20639
Barber Colman Maco 4000 41AM-25103-214-1-00 #23238
Weltronics Welding Control WT-2000 811046 #34368
Barber Colman Maco 4000 41AA-22003-211-1-00 #20660
Barber Colman Maco 4000 41AA-23003-212-1-00 #20661
Barber Colman Operator Interface 41AA-23003-202-1-0 #38
Barber Colman Operator Interface 41AA-24003-212-1-00 #3
Barber Colman Operator Interface 41AA-24003-212-1-00 #3
Barber Colman Maco 4000 41AA-22003-202-1-00 #20657
Barber Colman Maco 4000 41AA-22003-200-1-00 #20655
Barber Colman Maco 4000 41AC-25103-215-1-00 #20642
Barber Colman Maco 4000 41AC-25303-218-1-00 #20645
Barber Colman Maco 4000 Operator Interface 41AA-22003-2
Barber Colman Maco 4000 Operator Interface 41AA-22003-2
