DEC 21143 DRIVER

Reset Post Submit Post. For more information on configuring this device, see ifconfig 8. This conversation is currently closed to new comments. I believe that there are so many options involved in implementing the chip that a “reference” driver would be of very limited function. If you power down your system prior to booting FreeBSD, the card should be configured correctly. I thank you Chas for your help. As to the driver, I must conclude that you have a third party network adapter using the Intel chip.

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The 82c and 82c PNIC chips also have a receiver bug that sometimes manifests during periods of heavy receive and transmit activity, where the chip will improperly DMA received frames to the host. However, it didn’t work. The dc driver supports the following media 221143 The dc driver detects this condition and will salvage the frame; however, it incurs a serious performance penalty in the process.

I think you’re right that the card may not have been made by Intel though the chip was. This system configuration variable can be set in the Open Firmware boot monitor using the setenv command or by eeprom 8.

Q – support for 4 port nic, using DEC 21143-TD chips

Intel Hardware Reference Manualhttp: From there those features pop up. While Intel publishes “reference” drivers for their motherboard chip-sets, they do not at least publicly offer “reference” drivers for their Ethernet Adapter chips. Note that this condition only occurs when warm booting from another operating system. Once you rate any answer as acceptable, you must close the question. These are what Intel’s chip-set drivers are.

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For more information on configuring this device, see ifconfig 8. The A seems to have a problem with 10Mbps full duplex mode.

If you power down your system prior to booting FreeBSD, the card should be configured correctly. As to the driver, I must conclude that you have a 2113 party network adapter using the Intel chip. The controller loses all of its PCI configuration in the D3 state, so if the BIOS does not set it back to full power mode in time, it will not be able to configure it correctly.

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Ubuntu Manpage: dc — DEC/Intel and clone 10/ Ethernet driver

I have tried the Intel web site but couldn’t find one for NT4. Some chips especially the PNIC also have peculiar bugs. The mediaopt option can also be used to enable full-duplex operation. A board or card manufacture often will use the “reference” drivers as a template for their own specific drivers. The transmitter works but the receiver tends to produce many unexplained errors leading to very poor overall performance.

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Some support only MII media attachments. If you see this message at boot time and the driver fails to attach the device as a network interface, you will have to perform a second warm boot to have the device properly configured. I wonder if anybody can help me.

They are the default or reference drivers for the chip-set. For each answer, you should have the option to rate the answer as acceptable or reject.

dec : Problem FULLDUPLEX Performance

All submitted content is subject to our Terms Of Use. The interface will operate in half duplex mode if this media option is not specified. These chips are used by many vendors which makes it difficult to provide a complete list of all supported cards. I believe that there are so many options involved in implementing the chip that a “reference” driver would be of very limited function. Please remember to be considerate of other members. Also please exercise your best judgment when posting in the forums–revealing personal information such as your e-mail address, telephone number, and address is not recommended.