It connects to the machine using the parallel port and the packet driver makes it look just like a real Ethernet adapter. It assumes a specific data transfer port number, which is what was standard years ago. A real IRQ allocation test would require hooking up to all hardware interrupts, somehow making the device to generate an interrupt, and checking what interrupt got triggered. For machines without slots or where you want a temporary solution I would use a parallel-port to Ethernet adapter. The packet driver makes itself available to higher level software by taking control of a software interrupt. Networking for DOS is always an add-on feature so it takes a little bit of work to set up, but nothing too difficult.
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Some 16 bit cards might be able to function in an 8 bit slot, but you will have to experiment with that. A device manufacturer needed to provide a packet driver, which was a small TSR that provided the API in the form of software interrupts.
The packet driver for an adapter is effectively the device driver for the adapter. This is usually in lieu of transferring the information over a computer network. Serial ports 3c50b9 relatively easy devices to program and lots of people wrote software that uses the serial port.
Note that some newer cards didn’t have jumper headers soldered or even didn’t have a place for them on the PCB. Can this card work in a 8-bit slot?
At the beginning of the networking era for DOS PCs there were very few network adapters to choose from and network applications were highly specialized.
LapLink provided software and a cos cable that allowed two computers to directly connect to each other through their parallel ports. I’ll try it as soon as I get home! And although DOS came a little bit before the era of widespread networking on home computers, there was enough overlap such that reasonably good networking software exists for DOS.
Application software would use the API to send and receive packets. However, the 3cB will only work in a computer with a or higher processor. I’ve been curious about Descent’s networking ability as well, between machines. Why on Earth would anybody want to do that? The file you vos is 3C5X9X. They are not ne compatible.
Connection from a DOS-system using TCP/IP
On a modern operating system networking is a standard function and great effort has been made to make it easy to setup. It also saves you time. At this point your machine is physically ready to talk on your network. Here are some examples:.
Networking for DOS is always an add-on feature so it takes a little bit of work to set up, but nothing too difficult. A notable exception was LapLink by Traveling Software.
VOGONS • View topic – Drivers needed for 3Com EtherLink III 3CB-TPO for my system
A real IRQ allocation test would require hooking up to all hardware interrupts, somehow making the device to generate an interrupt, and checking what interrupt got triggered. Holy crap, I just noticed in the pictures I think you will need the packet driver found in the unix section. Do you have one or are you running the DX4 at 5v? One of the great things about NCSA Telnet is that the source code is readily available for download – with the correct build environment, you can modify it!
Unfortunately the web pages for Trumpet are gone now. The growth of DSL and cable modem devices in the early s made home networks dox a requirement, if only to allow sharing the one connection point to the Internet.
The name is a tongue-in-cheek sound-alike to Ethernet, and refers to the use of someone wearing sneakers as the transport mechanism for the data.