![]() ![]() How to Automatically Update Your 3Com Modemsįor users inexperienced with manually updating device drivers, it's recommended that you install an approved Microsoft driver utility to avoid all the pit-falls and complications involved. In my case: macOS Catalina / Parallels Desktop / Windows 10 / Microsoft Defender.3Com (3C562D-3C563D MNP10) EtherLink III LAN+336 Modem PC Card This procedure also has the advantage that I can run a virus scan with up-to-date software at regular intervals. This way I have all my DOS computers backed up on my iMac.Ģ0 MByte are no longer important on today's computers every picture from a digital SLR camera is already larger! Therefore, I always store a complete backup in a directory named after the date. This way I access my respective computers from my iMac and make a complete backup in a few minutes. You can also set up your own FTP server on your DOS computer. The data exchange then is done with FTP from the mTCP package. Etherlink III / 3Com / 3C509B / NIC Configurationįor operation under DOS, you only need a so-called packet driver (3C5X9PD.COM) you will find this program in the subdirectory PKTDVR, see DOWNLOADS. It is also important to disable the PnP option! You also have the option to save or load these options in a file. ![]() If the connection does not work, please check your system. IRQ 2 or 10 and I/O address 300h should actually always be available by default. *) Note: The default setting on the Combo board is „On-board Coax (BNC)"! So this does not normally fit! You can usually recognise this by the fact that the green LED on the RJ-45 connector is not lighting up! **) Note: IRQ 10 is NOT available in an 8 bit system! On the XT-BUS (8 bit), however, there is IRQ 2, which is specifically intended for network cards. Etherlink III / 3Com / 3C509B Configurationĭepending on which system you want to use the 3Com 3C509B in (16 or 8 bit - AT or PX/XT) it is essential that you FIRST run the relevant configuration program (3C5X9CFG.EXE or 3CCFG.EXE) and make the necessary settings. The networking of my computers is described here: Networking and Data Transfer. I always use this network card with Michael Brutman's mTCP software. Everything you need, you will find there. You just need a different packet driver! Have a look at /hackerb9/3C509B-nestor. But! You can also use this card in an 8 bit IBM PC or XT. I have never had any problems so far.Īctually, the 3Com 3C509B is a 16 bit network card, as you can easily see at the ISA bus. I use this network card in all my 16 bit ISA computers (80286, 80386, 80486) and in my MS-6117 ATX LX6 mainboard with PII processor. I have at least four of these network cards (the combo version) in use and always have one in reserve. ![]() Of course, there are other 16 bit network cards that run with a packet driver under DOS. ![]()
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