Mercury C39 Fast Ethernet Adapter(DEC21140) Driver Download
The C39 Fast Ethernet Adapter(DEC21140) is a network device manufactured by Mercury. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. This version of "mercury_c39_driver_disk.zip" has been downloaded 759 times with a user rating of 4 out of 5 stars, based on 18 reviews. Visitors have successfully installed this driver on PCs running Windows XP. The total disk space used for this update is 601.9 KB.
Supported Models
C39
Mercury C39 10/100 Fast Ethernet Adapter
Mercury C39 Fast Ethernet Adapter
Mercury C39 Fast Ethernet Adapter(ADM9510)
Mercury C39 Fast Ethernet Adapter(ADM9511)
Mercury C39 Fast Ethernet Adapter(ADM9513)
Mercury C39 Fast Ethernet Adapter(AN981)
Mercury C39 Fast Ethernet Adapter(AN982)
Manufacturers
Supported Operating Systems
Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98SE, Windows 98, Windows 95
File Name
Versions
V2.05 (25-Apr-2002)
2.18.0221.2002 (2002-02-21) via .inf
Uploaded By
dan1 (DG Member) on 2-Jul-2005
Ratings & Reviews
See all Mercury C39 Fast Ethernet Adapter(DEC21140) ratings and reviews
Related Driver Updates
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| Readme.txt | 2.9 KB | 21 Feb 2002 |
| Unixware7/fastnic.pkg | 28.7 KB | 12 Apr 2001 |
| Unixware7/Unixware.txt | 1.5 KB | 11 Apr 2001 |
| DosODI/NET.CFG | 964 bytes | 5 Feb 2002 |
| DosODI/fastnic.com | 53.3 KB | 9 Feb 2002 |
| DosODI/FastNIC.ins | 542 bytes | 18 Mar 2002 |
| DosODI/NETX.EXE | 78.7 KB | 28 Apr 1996 |
| DosODI/Dosodi.txt | 3.1 KB | 16 Feb 2002 |
| DosODI/IPXODI.COM | 30.1 KB | 28 Apr 1996 |
| DosODI/LSL.COM | 18.3 KB | 28 Apr 1996 |
| SCO5/Sco5.txt | 2.1 KB | 16 Apr 2001 |
| SCO5/FNIC.SC5 | 24.6 KB | 16 Apr 2001 |
| HELP.exe | 41.4 KB | 20 Jun 2003 |
| WinMe/WinME.txt | 3.1 KB | 21 Feb 2002 |
| WinMe/FastNIC.sys | 38.8 KB | 21 Feb 2002 |
| WinMe/fastnic.inf | 13.6 KB | 19 Jun 2003 |
| Winnt/FastNIC.hl_ | 2.6 KB | 16 Apr 1999 |
| Winnt/WinNT.txt | 6.8 KB | 21 Feb 2002 |
| Winnt/Wnt35/FASTNIC.SY_ | 23.4 KB | 21 Feb 2002 |
| Winnt/Wnt40/FASTNIC.SY_ | 23.4 KB | 21 Feb 2002 |
| OEMSETNT.INF | 45.2 KB | 21 Feb 2002 |
| Mslanman.dos/DRIVERS/Fast/FastNIC/PROTOCOL.INI | 278 bytes | 22 Apr 1999 |
| Mslanman.dos/DRIVERS/Fast/FastNIC/FASTNIC.DOS | 57.0 KB | 1 Mar 2002 |
| Mslanman.dos/DRIVERS/NIF/FastNIC.NIF | 218 bytes | 17 Feb 2002 |
| FreeBSD/FreeBSD.txt | 1.2 KB | 9 Nov 1999 |
| FreeBSD/if_al.c | 52.0 KB | 19 Jun 2003 |
| FreeBSD/if_alreg.h | 22.7 KB | 19 Jun 2003 |
| NTrpl/dosbb.cnf | 515 bytes | 25 Sep 2001 |
| NTrpl/driver/FastNIC.DOS | 57.1 KB | 28 May 2001 |
| NTrpl/driver/FastNIC.sys | 52.3 KB | 30 Jul 2001 |
| NTrpl/driver/WIN95.TXT | 5.2 KB | 1 Oct 2000 |
| NTrpl/driver/FastNIC.INF | 7.3 KB | 20 Jun 2003 |
| NTrpl/w95bb.cnf | 497 bytes | 25 Sep 2001 |
| NTrpl/protocol.ini | 1.1 KB | 23 Jul 2003 |
| NTrpl/suboot/AUTOEXEC.BAT | 86 bytes | 2 Jan 2001 |
| NTrpl/suboot/MACHINES.INI | 97 bytes | 7 Nov 1999 |
| NTrpl/suboot/PROTOCOL.INI | 366 bytes | 26 Sep 2001 |
| NTrpl/suboot/config.sys | 65 bytes | 29 Aug 2001 |
| NDIS/NDIS.TXT | 4.1 KB | 25 Feb 2002 |
| NDIS/DOS/FastNIC.DOS | 57.0 KB | 1 Mar 2002 |
| NDIS/DOS/FastNIC.NIF | 218 bytes | 17 Feb 2002 |
| NDIS/DOS/PROTOCOL.INI | 421 bytes | 23 Jul 2003 |
| NDIS/DOS/OEMSETUP.INF | 849 bytes | 13 Feb 2002 |
| NDIS/BANYAN.TXT | 2.0 KB | 25 Feb 2002 |
| NDIS/LANTASTI.TXT | 4.1 KB | 25 Feb 2002 |
| NDIS/LANSVR.TXT | 13.1 KB | 25 Feb 2002 |
| NDIS/Pcnfs.txt | 6.0 KB | 25 Feb 2002 |
| NDIS/PATHWORK.TXT | 4.9 KB | 25 Feb 2002 |
| NDIS/LANMAN.TXT | 8.2 KB | 25 Feb 2002 |
| WinXP/FastNIC.sys | 38.9 KB | 21 Feb 2002 |
| WinXP/WinXP.txt | 4.1 KB | 21 Feb 2002 |
| WinXP/fastnic.inf | 8.1 KB | 19 Jun 2003 |
| Release.txt | 9.3 KB | 20 Jun 2003 |
| Pktdrv/Pktdrv.txt | 5.3 KB | 16 Feb 2002 |
| Pktdrv/PKTDRV.COM | 28.9 KB | 15 Apr 2002 |
| HELP.TXT | 18.6 KB | 20 Jun 2003 |
| Win98/FastNIC.sys | 38.8 KB | 21 Feb 2002 |
| Win98/Win98.txt | 3.1 KB | 21 Feb 2002 |
| Win98/fastnic.inf | 13.6 KB | 19 Jun 2003 |
| Win95/FastNIC.sys | 48.9 KB | 21 Feb 2002 |
| Win95/WIN95.TXT | 5.3 KB | 21 Feb 2002 |
| Win95/FastNIC.INF | 6.0 KB | 19 Jun 2003 |
| Win2000/FastNIC.sys | 38.8 KB | 21 Feb 2002 |
| Win2000/Win2000.txt | 3.5 KB | 21 Feb 2002 |
| Win2000/fastnic.inf | 13.6 KB | 19 Jun 2003 |
| NetWare/Nw3_12/NBI31X.NLM | 38.1 KB | 16 Apr 1999 |
| NetWare/Nw3_12/ETHERTSM.NLM | 13.1 KB | 16 Apr 1999 |
| NetWare/Nw3_12/MSM31X.NLM | 69.0 KB | 16 Apr 1999 |
| NetWare/Nw3_12/Nw312.txt | 2.0 KB | 4 Mar 2002 |
| NetWare/Nw3_12/AUTOEXEC.NCF | 139 bytes | 4 Mar 2002 |
| NetWare/Nw3_12/FastNIC.LDI | 4.5 KB | 17 Feb 2002 |
| NetWare/Nw3_12/FastNIC.LAN | 17.8 KB | 17 Feb 2002 |
| NetWare/FASTNIC.INF | 11.4 KB | 4 Mar 2002 |
| NetWare/FASTNIC.LAN | 17.8 KB | 17 Feb 2002 |
| NetWare/NetWare.txt | 15.8 KB | 19 Feb 2002 |
| NetWare/FASTNIC.LDI | 4.5 KB | 17 Feb 2002 |
| NetWare/Nw4_10/NBI.NLM | 20.4 KB | 16 Apr 1999 |
| NetWare/Nw4_10/Nw410.txt | 2.4 KB | 4 Mar 2002 |
| NetWare/Nw4_10/ETHERTSM.NLM | 13.1 KB | 16 Apr 1999 |
| NetWare/Nw4_10/AUTOEXEC.NCF | 490 bytes | 4 Mar 2002 |
| NetWare/Nw4_10/FastNIC.LDI | 4.5 KB | 17 Feb 2002 |
| NetWare/Nw4_10/FastNIC.LAN | 17.8 KB | 17 Feb 2002 |
| NetWare/Nw4_10/MSM.NLM | 77.0 KB | 16 Apr 1999 |
How to Update Mercury C39 Fast Ethernet Adapter(DEC21140) Device Drivers Quickly & Easily
Step 1 - Download Your Driver
To get the Mercury C39 Fast Ethernet Adapter(DEC21140) 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 Mercury C39 Fast Ethernet Adapter(DEC21140) 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 Mercury Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
Step 2 - Install Your Driver
Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.
How to Open Device Manager
In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager
In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager
In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager
In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager
In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button
How to Install a driver from Device Manager
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
Click the Update Driver button and follow the instructions.
In most cases, you will need to reboot your computer in order 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.