Error 01c9 Thinkpad
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5 Successful applications Problem Description Certain ThinkPads show a warning message during POST when a WLAN card with an Atheros chipset is present in the MiniPCI or PCMCIA slot: WARNING 01C9: More than one Ethernet devices are found. lenovo error codes beep Remove one of them. Press
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longer than expected. At POST, the BIOS conducts a scan for ethernet devices. It does this by reading the "PCI Class Codes" 0187 eaia data access error fix of every connected device. If more than one ethernet device is found, it produces the 01C9 error message. Unlike other wireless cards, which identify themselves as "other" network adapters, Atheros classify themselves as "ethernet". This collides with lenovo hard drive diagnostic error codes the internal ethernet controller (also a PCI device) and causes the 01C9 to appear. BIOS processing of the situation and generating the error message noticeably slow down boot-up time, at least in some models. Affected Models ThinkPad A31, A31p ThinkPad T23, T30 ThinkPad R32, R40 ThinkPad X22, X23, X24, X30 Not affected are ThinkPad T4x series ThinkPad X4x series Solution The solution is to modify the Atheros EEPROM so that the card correctly identifies
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itself as an "other" instead of an "ethernet" network adapter. A Linux Live CD that automates this and can also remove the 1802 error message is now available. ATTENTION! This software was designed FOR ATHEROS CARDS ONLY. Even though most users confirm it working fine, it can potentially harm your computer. The authors are in no way to be held liable for damage caused by this program. There is no warranty given, either express or implied for any fitness for any kind of purpose. YOU AGREE TO USE THIS ENTIRELY AT YOUR OWN RISK. Please also be aware that ath_info is still under development, so be just as cautious with the manual solutions suggested below. NOTICE: The Live CD Version 2 is released now. Download it via Bittorrent here. (~ 4 MB). Download links appear to break regularly but will be fixed whenever necessity arises. Functionality. The 01C9-patch changes the PCI Class ID from 0x0200 to 0x0280, which corresponds "network device: other". It manipulates the Atheros card, not the computer/BIOS/CMOS. It changes neither the PCI vendor ID nor the device ID. Therefore, functionality of drivers and operating systems will not be affected. Uninstalling drivers is not necessary before using this patch. The Live CD auto-detects whether an Atheros adapter is installed and will only then proceed. NOTE: Read the Problem_with_unau
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a built-in Ethernet feature, and you cannot Ethernet devices are add another such feature by installing an Ethernet device such as a found. Remove one of Mini-PCI Ethernet Card or an Ethernet Daughter Card. If this error message them. Press to is displayed, remove the Ethernet device that you installed. Otherwise press continue. Esc to ignore the warning message. If this does not solve the problem, have the computer serviced. 0200: Hard disk error The hard disk is not working. Make sure that the hard disk drive is attached firmly. Run the IBM BIOS Setup Utility; then make sure the hard disk drive is not disabled in the Startup menu. 021x: Keyboard error Make sure that there are no objects placed on the keyboard, or if you have one, the external keyboard. Turn off the computer, and turn off all attached devices. Turn on the computer first; then turn on the attached devices. If you still see the same error code, do the following: If an external keyboard is connected, do the following: v Turn off the computer and disconnect the external keyboard; then turn on the computer. Make sure that the built-in keyboard operates correctly. If it does, have the external keyboard serviced. v Make sure that the external keyboard is connected to the correct connector. Test the computer by using PC-Doctor. v If the computer stops during the test, have the computer serviced. 0230: Shadow RAM error The shadow RAM failed. Test your computer’s memory with PC-Doctor. If you added a memory module just before turning the computer on, reinstall it. Then test the memory with PC-Doctor. 0231: System RAM error The system RAM failed. Test your computer’s memory with PC-Doctor. If you added a memory module just before turning the computer on, reinstall it. Then test the memory with PC-Doctor. 0232: Extended RAM The extended RAM failed. Test your computer’s memory with PC-Doctor. If error you have increased memory just before turning the computer on, reinstall it. Then test the memory with PC-Doctor. 0250: System battery The backup battery, which is used to preserve the configuration information, error such as the date and time, while the computer is turned off, is depleted. Replace the battery and run IBM BIOS Setup Utility to verify the configuration. If you still have a pro