Download the latest version of the NDISCAPI 2.0 Protocol driver for your computer's operating system. This version of "pcbitusb2kxp.zip" is rated (4 out of 5 stars) based on 1,029 downloads and 12 reviews. Visitors have successfully installed this driver on PCs running Windows XP. The total disk space used for this update is 3.3 MB.
Octal PCBIT-USB ISDN Adapter
CAPI 2.0 Protocol
NDISCAPI 2.0 Protocol
PCBIT-USB ISDN Adapter (Ver. 3.00.06)
Pcbit Line
Windows XP
pcbitusb2kxp.zip (3.3 MB)
3.00.06.00 (2002-02-25) via .inf
Octal PCBIT-USB ISDN Adapter driver for Windows XP and 2K. Octal is the provider of all the ISDN adapters for Portugal Telecom PT but they do not provide the drivers for newer windows versions. Installation instructions can be found on the read me file.
pardal (DG Member) on 19-Apr-2002
See all NDISCAPI 2.0 Protocol ratings and reviews
To get the NDISCAPI 2.0 Protocol driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter NDISCAPI 2.0 Protocol into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for NDISCAPI 2.0 Protocol. It is a software utility which automatically finds and downloads the right driver.
After downloading your new driver, installation is the next step. On Windows, utilize the built-in Device Manager utility to manage this process. This tool provides a comprehensive view of all system-recognized devices and their associated drivers. To complete the installation, a system restart is typically required for the driver update to take effect.
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| netpcbit.inf | 9.5 KB | 25 Feb 2002 |
| version.txt | 115 bytes | 6 Mar 2002 |
| driver/win2kxp/capi.inf | 2.4 KB | 25 Feb 2002 |
| driver/win2kxp/Readme.txt | 1.4 KB | 1 Feb 2002 |
| driver/win2kxp/ndiscapi.sys | 28.4 KB | 1 Feb 2002 |
| driver/win2kxp/isdnusb2.sys | 103.8 KB | 1 Feb 2002 |
| driver/win2kxp/kmonapi.sys | 5.4 KB | 1 Feb 2002 |
| driver/win2kxp/capi.sys | 29.0 KB | 1 Feb 2002 |
| driver/win2kxp/setup2k.exe | 229.4 KB | 10 May 2000 |
| driver/win2kxp/capi2032.dll | 80.9 KB | 1 Feb 2002 |
| driver/win2kxp/usb2mpa.sys | 330.2 KB | 25 Feb 2002 |
| driver/win2kxp/isdncia.dll | 77.8 KB | 4 Feb 2002 |
| driver/win2kxp/capi20.dll | 76.6 KB | 1 Feb 2002 |
| driver/win2kxp/tools/layout.bin | 537 bytes | 4 Feb 2002 |
| driver/win2kxp/tools/xuinisdn.exe | 208.9 KB | 4 Feb 2002 |
| driver/win2kxp/tools/PRODUCT.INI | 714 bytes | 1 Feb 2002 |
| driver/win2kxp/tools/Setup.ini | 174 bytes | 4 Feb 2002 |
| driver/win2kxp/tools/Setup.exe | 127.5 KB | 3 Nov 1999 |
| driver/win2kxp/tools/ikernel.ex_ | 340.9 KB | 11 Apr 2001 |
| driver/win2kxp/tools/program/ccmon.exe | 155.6 KB | 6 Nov 2001 |
| driver/win2kxp/tools/program/cmonitor.dll | 110.6 KB | 21 Jan 2002 |
| driver/win2kxp/tools/program/ictest32.dll | 81.9 KB | 1 Sep 2000 |
| driver/win2kxp/tools/program/0009/Icbtest.gid | 10.8 KB | 15 Feb 1999 |
| driver/win2kxp/tools/program/0009/REG_CFG.INI | 820 bytes | 1 Feb 2002 |
| driver/win2kxp/tools/program/0009/icbtest.cnt | 326 bytes | 15 Feb 1999 |
| driver/win2kxp/tools/program/0009/icb.dll | 274.4 KB | 10 Jan 2002 |
| driver/win2kxp/tools/program/cmh32.dll | 143.4 KB | 1 Feb 2001 |
| driver/win2kxp/tools/program/reg_cfg.exe | 237.6 KB | 30 May 2001 |
| driver/win2kxp/tools/program/icbtest.exe | 180.2 KB | 10 Jan 2002 |
| driver/win2kxp/tools/program/MSVCRT.DLL | 290.9 KB | 4 May 2001 |
| driver/win2kxp/tools/program/0816/Icbtest.gid | 10.8 KB | 25 Feb 1999 |
| driver/win2kxp/tools/program/0816/REG_CFG.INI | 609 bytes | 1 Feb 2002 |
| driver/win2kxp/tools/program/0816/icbtest.cnt | 392 bytes | 25 Feb 1999 |
| driver/win2kxp/tools/program/0816/icb.dll | 274.4 KB | 10 Jan 2002 |
| driver/win2kxp/tools/data1.cab | 549.5 KB | 4 Feb 2002 |
| driver/win2kxp/tools/data2.cab | 512 bytes | 4 Feb 2002 |
| driver/win2kxp/tools/xuinisdn.ini | 2.8 KB | 1 Feb 2002 |
| driver/win2kxp/tools/strings.ini | 3.1 KB | 22 Dec 2000 |
| driver/win2kxp/setup2k.ini | 2.4 KB | 22 Dec 2000 |
| driver/win98me/capistub.VXD | 17.3 KB | 15 Mar 2000 |
| driver/win98me/Readme.txt | 3.0 KB | 1 Feb 2002 |
| driver/win98me/pcbcais.in_ | 2.9 KB | 24 Jan 2000 |
| driver/win98me/isdnusb.sys | 59.2 KB | 22 Dec 2000 |
| driver/win98me/pcbcpiis.in_ | 11.4 KB | 22 Dec 2000 |
| driver/win98me/CAPI20.DLL | 74.6 KB | 15 Mar 2000 |
| driver/win98me/ndiscapi.VXD | 30.8 KB | 15 Mar 2000 |
| driver/win98me/CAPI.DLL | 59.7 KB | 15 Mar 2000 |
| driver/win98me/DEVINST.DLL | 4.7 KB | 28 Mar 2000 |
| driver/win98me/capi2032.dll | 75.3 KB | 15 Mar 2000 |
| driver/win98me/cfgwiz.in_ | 2.8 KB | 22 Dec 2000 |
| driver/win98me/iuapi.sys | 15.2 KB | 22 Dec 2000 |
| driver/win98me/0009/icbtest.cnt | 326 bytes | 15 Feb 1999 |
| driver/win98me/0009/ICBTEST.GID | 10.8 KB | 15 Feb 1999 |
| driver/win98me/0009/icb.dll | 36.9 KB | 12 Oct 2000 |
| driver/win98me/files/ccmon.exe | 131.1 KB | 20 Nov 2000 |
| driver/win98me/files/cmonitor.dll | 86.0 KB | 3 May 1999 |
| driver/win98me/files/ictest32.dll | 81.9 KB | 1 Sep 2000 |
| driver/win98me/files/cmh32.dll | 139.3 KB | 19 Apr 2000 |
| driver/win98me/files/icbtest.exe | 143.4 KB | 12 Oct 2000 |
| driver/win98me/files/MSVCRT.DLL | 280.6 KB | 9 May 1997 |
| driver/win98me/usbwmac.sys | 262.1 KB | 22 Dec 2000 |
| driver/win98me/cfgwiz32.exe | 286.7 KB | 12 Jul 2000 |
| driver/win98me/uinisdn.in_ | 3.6 KB | 25 Feb 2002 |
| driver/win98me/setup98me.ini | 2.3 KB | 22 Dec 2000 |
| driver/win98me/0016/icbtest.cnt | 392 bytes | 25 Feb 1999 |
| driver/win98me/0016/ICBTEST.GID | 10.8 KB | 25 Feb 1999 |
| driver/win98me/0016/icb.dll | 36.9 KB | 1 Sep 2000 |
| driver/win98me/uinisdn.exe | 438.3 KB | 31 Oct 2001 |
| driver/win98me/setup98me.exe | 229.4 KB | 10 May 2000 |
| driver/win98me/instrna.in_ | 232 bytes | 1 Dec 1999 |