| Appendix D Trademarks ASEM-51 is a trademark of W.W. Heinz. MCS-51 is a trademark of Intel Corporation. MCB-517 is a trademark of Keil Elektronik GmbH. TELIX is a trademark of deltaComm Development. IBM-PC, IBM-XT, and IBM-AT are trademarks of IBM Corporation. MS-DOS is a trademark of Microsoft Corporation. Windows is a trademark of Microsoft Corporation. Linux is a trademark of Linus Torvalds. All device codes of 8051 derivatives are trademarks of the manufacturers. Other brand and product names are trademarks of their respective holders.