Media Access Control Address (MAC Address) update utility for Intel 10/100/1000 (Gigabit) Ethernet Controller for Microsoft Windows 2000 or XP Installation README This package updates the network MAC address on the Network Adapter EEPROM on the following systems: - ThinkCentre A50 (type 8089, 8090) - ThinkCentre S50 (type 8086, 8087, 8088, 8094) State failure mode ------------------ No known failures have been reported due to duplicate MAC addresses but users on the same DHCP server with duplicate addresses may experience general network connectivity related issues. Duplicate MAC addresses may appear on a network if one of the systems listed below are on the same network as one of the above listed ThinkCentre A50 or S50 systems. No update is necessary for the following machine types: - ThinkCentre M51 (type 8141, 8142, 8143, 8144, 8145, 8146) - Thinkpad X30/X31/X32 (type 2672, 2673, 2884, 2885, 2890, 2891) - Thinkpad T30 (type 2366, 2367) - Thinkpad T40p/T41p/T42p (type 2373, 2374, 2375, 2376, 2378, 2379) - Thinkpad T43 (type 1871, 1872, 1873, 1874, 1875, 1876) - Thinkpad T43p (type 2668, 2669, 2686, 2687) - Thinkpad R50p/R51 (type 1829, 1830, 1831, 1832, 1833, 1836, 1840, 1841) - Thinkpad R52 (type 1846, 1847, 1848, 1849, 1850, 1870) Print this file so that you can refer to it during the installation. Downloading the update ---------------------- 1. Click the file link to download the file from the Web page. 2. When prompted, select a drive and directory in which to save the downloaded file. Extracting the update --------------------- 1. Click Start, select Find or Search, then click Files and Folders. 2. Type pz2t36usa.exe in the search field, then click Find Now. This will locate the file you just downloaded. 4. Double-click the pz2t36usa.exe icon. 5. Read the license agreement. 6. Click I accept the terms in the license agreement. 7. Click Next. 8. Ensure that "Save files in folder" is set to C:\IBMTOOLS\DRIVER\PZ2Z36US. 9. Click Next. The necessary files will be extracted to your hard drive. 10. Click Finish. Installing the update --------------------- 1. Close all open applications. 2. Click Start, then click Run. 3. Type C:\IBMTOOLS\DRIVER\PZ2Z36US\MACUPDT.exe, then click OK. NOTE: RUNNING THIS PROGRAM WILL CAUSE YOUR SYSTEM TO AUTOMATICALLY REBOOT. PLEASE CLOSE ANY PROGRAMS AND SAVE FILES BEFORE RUNNING THIS UTILITY. 4. The e-flash utility will automatically start the flash process. 5. Once complete, the MAC address will be updated and your system will restart. Trademarks ---------- IBM, NetVista, and Options By IBM are registered trademarks of International Business Machines Corporation. ThinkPad, ThinkCentre, and Think Accessories are registered trademarks of Lenovo. Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both. Other company, product, and service names may be trademarks or service marks of others. THIS DOCUMENT IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. WE DISCLAIM ALL WARRANTIES, WHETHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY WITH RESPECT TO THE INFORMATION IN THIS DOCUMENT. BY FURNISHING THIS DOCUMENT, WE GRANT NO LICENSES TO ANY PATENTS OR COPYRIGHTS. Copyright (c) 2005 IBM Corporation Copyright (c) Lenovo 2005, all rights reserved