Error 1802 Ibm Thinkpad
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the laptops I've worked on, IBM ThinkPads are by far the easiest to disassemble and fix. They're also pretty tough machines, as they survive substantially more damage than most of the Dell laptops I've seen. If I were a full time Windows user (and I'm not, despite the recent number of PC related posts), I would probably consider purchasing a ThinkPad. If it weren't for one tiny problem… Most newer ThinkPad models have a Mini-PCI slot and antennae, ready to be equipped with a standard wireless card. Mini-PCI may be unfamiliar to Mac users reading this blog, just as it was to me several months ago. Think of Mini-PCI as an AirPort Extreme sized connector, but standardized such that any manufacturer can create a compatible communications card. While the slot is standardized, IBM insists on crippling it via software to only accept "IBM brand" wireless cards -- which are really just OEM cards made by Philips and others. Upon booting a machine with a non-IBM card installed, the following POST error will be displayed: 1802: Unauthorized network card is plugged in
Power off and remove the miniPCI network card. What a sneaky way to lock people into buying an expensive wireless card, when others can be bought for much much lower prices. (I suppose I can't c
4 Problem with WiFi LED 4.1 Details 4.2 Solution 4.3 Successful WiFi LED fixes 5 External Sources Problem description The ThinkPad BIOS only ibm thinkpad error codes allows to boot with an "authorized" adapter installed. If an unsupported card
Ibm Thinkpad 600e Error Codes
is detected, the BIOS prints a message on the screen and stops the system: 1802: Unauthorized network card ibm thinkpad beep codes is plugged in - Power off and remove the miniPCI network card. The card's sub-vendor PCI-ID (which can be seen using lspci -v) is checked against a whitelist in the https://command-tab.com/2006/02/26/thinkpad-1802-error-fix/ BIOS. IBM/Lenovo's reasoning for this is that the combination of MiniPCI card and the integrated antenna in the ThinkPad needs to be certified by the US FCC (Federal Communications Commission).1 or similar agencies in other countries. Solutions NOTE! Any of the following solutions should suffice to make the wireless card useable. You only need to perform one of them. http://www.thinkwiki.org/wiki/Problem_with_unauthorized_MiniPCI_network_card It may be possible to use the computer with the unauthorized card deactivated (but not removed). Press F1 to enter the BIOS and deactivate the WLAN card, then attempt to boot with the card disabled. This does not make the wireless card work, but it may allow you to boot the computer normally. Modifying the card's ID A safer and better method than modifying the BIOS is modifying the PCI-ID of the wlan card to match the authorized one: You'll risk the wireless card instead of the motherboard. Future BIOS updates will not create any problems. No problem with newer laptops with different BIOS; the only reqirement is to find an ID that is already listed in the BIOS, which can be easily achieved if the community maintaina a compatibility table. The instructions are here (link down, 2011/05/14 - archive.org mirror here, second mirror here). This page is for Atheros-based cards and HP notebooks, but it applies to Thinkpads as well. It also has links on how to edit the PCI-ID on Intel Pro Wireless cards. In
This worked for me, but I am unable to make any guarantee that it will work for you. Furthermore, if you really care about IBM's warranty, you may want to pass this one and buy http://www.deveblog.com/index.php/make-a-thinkpad-accept-any-minipci-card-avoid-1802-error/ your miniPCI card from IBM directly. After getting my ThinkPad R40 from eBay, I got http://forum.thinkpads.com/viewtopic.php?t=117845 a wireless miniPCI card from there as well. I bought an Intel card, to avoid any compatibility issues. Little did I know... All recent ThinkPads have an internal list of miniPCI cards they will accept. Note that this is not only based on the model number, but also some internal numbers which are different for different batches of the exact same ibm thinkpad card. Here is a detailed explanation. The simplest solution is: download no-1802.com boot into DOS mode run no-1802.com If nothing happens - you should be able to finally install your card. If your laptop came without a floppy drive, you may need to create or find a boot CD. I found some free boot-CD-generating program and created a CD with an option to boot into Windows 98. If you have Easy CD Creator, Nero, or some such ibm thinkpad error software, they all let you create boot CDs, but you may need to obtain an image of a bootable floppy disk first (which means you have to create the CD on another computer that does have a floppy.) This Command-Tab post has links to CD ISO image and a floppy image you can use. This entry was posted on 18/11/2004 (Thursday) at 10:32 pm and is filed under tech. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site. Printed from: http://www.deveblog.com/index.php/make-a-thinkpad-accept-any-minipci-card-avoid-1802-error/ . © Svemir Brkic 2016. 52 Comments » Doon says: 02.09.14 at 18:00 This thread is old and pretty much dead, BUT... If you are having trouble getting the computer to boot from the bootable no-1802 CD or Floppy because the 1802 Error stops the boot process... First, Remove the affected WiFi card before you try to run the program... After the program has run successfully, shut down the laptop and re-install the wifi card and things should be fine. The no-1802 program does not reflash or actually repair the problem, it is simply a work-around that changes a BIOS setting which is inaccessible from within the user accessible BIOS settings. If the CMOS battery dies or if your BIOS is reset, your BIOS will again give the 1802 Error. If
index » Post-Classic Lenovo Hardware » ThinkPad Edge All times are UTC-05:00 Boot error 1802: unauthorized network card Moderators: Moderator group, Admin group Post new topic Reply to topic Page 1 of 1 [ 4 posts ] Print view Previous topic | Next topic Author Message h2 Post subject: Boot error 1802: unauthorized network cardPostPosted: Thu May 21, 2015 8:35 pm Offline Joined: Wed Feb 15, 2006 7:22 pm Posts: 4 Machine: thinkpad edge 14I took this thing apart to replace the screen, and when I put it back together again, I get the dreaded: Error1802: Unauthorized network card plugged in.The problem is that this error has nothing to do with the network card, which is the stock Intel 112BNHMWI tried removing the card, just to see, and it boots with the same error, which points to a defective bios or something else unknown.There is no second network card, and the machine cannot be booted.After struggling with the cheesy connections in this thing, I have lost alll illusions about lenovo thinkpads being anything at all like the old ibm or ibm/lenova machines, but this is a friend's laptop and before I give up on it, I'd like to know if there is any practical way to handle this.Obviously, since I can't get around the boot error by removing the card, the system is unbootable barring any suggestions someone here might have.My friend is sad, and the extra sad thing is the new screen install actually worked, despite all those wonky flip squeeze in flat cable connections.The laptop was purchased november 2010, which means that the cmos battery could be dead.I'm about ready to give up on this and just get her a used new laptop, but if there is a known solution I'd appreciate learning it, thanks.I cannot enter bios, f1 starts the process, but then it just hangs, saying:"To interupt normal startup press enter"and that's it, nothing else.I can't use a livecd for fixes since it won't boot, though the cd works and sees the livecd, then everything stops. _________________sidux - debian sid in real time on an IBM T41 Top Profile Reply with quote RealBlackStuff Post subject: Re: Boot error 1802: unauthorized network cardPostPosted: Fri May 22, 2015 5:39 am Offline RBS15000 Joined: Mon Sep 18, 2006 5:17 am Posts: 16379 Location: Mt. C