DOCUMENT:Q128900 17-DEC-2000 [win95x] TITLE :PCMCIA Socket Not Detected on IBM ThinkPad 720C PRODUCT :Microsoft Windows 95.x Retail Product PROD/VER: OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows 95 ------------------------------------------------------------------------------- SYMPTOMS ======== The detection routine in Windows 95 Setup does not detect the PCMCIA socket in your IBM ThinkPad 720 or 720C, the IBM ThinkPad 720 is the monochrome display model. PCMCIA socket is also not detected when you run the Add New Hardware Wizard from Control Panel. As a result, protected- mode socket services are not provided. CAUSE ===== The IBM ThinkPad 720/720C PCMCIA socket uses the Stinger chip set. The Stinger chip set is not a supported PCMCIA socket chip set for Windows 95 protected-mode socket services. RESOLUTION ========== To use the PCMCIA socket on your IBM ThinkPad 720/720C, install the real- mode socket drivers using the manufacturer's instructions. MORE INFORMATION ================ To use protected-mode network interface card (NIC) drivers with a PCMCIA NIC, the PCMCIA socket must be supported for protected-mode socket services. Therefore, you cannot use protected-mode NIC drivers when you are using a PCMCIA NIC in the IBM ThinkPad 720/720C. ====================================================================== Keywords : Technology : kbWin95search kbZNotKeyword3 ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2000.