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DEC 21143 DRIVER

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Create a new discussion If you’re asking for technical help, please be sure to include all your system info, including operating system, model number, and any other specifics related to the problem. All submitted content is subject to our Terms Of Use. Intel does not provide “reference” drivers for it’s network interface chips. Some support only MII media attachments. Consequently, autonegotiation is not currently supported for this chipset:

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

The also offers several receive filter programming options including perfect filtering, inverse perfect filtering and hash table filtering. For more information on configuring this device, see ifconfig 8.

The interface will operate in half duplex mode if this media option is not specified.

This workaround has a negligible impact on transmit performance. This can happen if the device is unable to deliver interrupts for some reason, of if there is a problem with the network connection cable or network equipment that results in a loss of link.

Edc you’re asking for technical help, please be sure to include all your system info, including operating system, model number, and any other specifics related to the problem. The dc driver supports the following media types: Some operating systems place the controller in low power mode when shutting down, and some PCI BIOSes fail to bring the chip out of this state before configuring it.

Try searching for a Realtek driver for theit should work with NT4. The PNIC chips also sometimes generate a transmit underrun error when the driver attempts to download the receiver filter setup frame, which can result in the receive filter being incorrectly programmed.

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Yes, Intel made the Ethernet controller IC. The chips appear to upload several kilobytes of garbage data along with the received frame data, dirtying several RX buffers instead of just the expected one.

All of the clone chips are based on the design with various modifications. Create a new discussion If you’re asking for technical help, please be sure to include all your system info, including operating system, model number, and any other specifics related to the problem.

All submitted content is subject to our Terms Of Use. If you power down your system prior to booting FreeBSD, the card should be configured correctly. Intel Hardware Reference Manualhttp: The dc driver detects this condition and will salvage the frame; however, it incurs a serious performance penalty in the process. All of supported chipsets have the same general register layout, DMA descriptor format and method of operation.

The dc driver supports the following media options: All other modes on the A seem to work correctly. Once you rate any answer as acceptable, you must close the question.

The dc driver will watch for this condition and requeue the setup frame until it is transferred successfully. 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.

These chips are used by many vendors which makes it difficult to provide a complete fec of all supported cards. Looking over the data at Intel’s web site, the was designed for use on CardBus based mobile Ethernet adapters. A board or card manufacture often will use the “reference” drivers as a template for their own specific drivers.

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Some chips especially the PNIC also have peculiar bugs. Consequently, autonegotiation is not currently supported for this chipset: I think you’re right that the card may not have been made by Intel though the chip was.

dec : Problem FULLDUPLEX Performance

The driver tries to detect this condition and bring the adapter back to the D0 full power state, but this may not be enough to return the driver to a fully operational condition. The “Add Comment” button is back, so perhaps you have the buttons to rate answers back too. The A does not exhibit this problem. The dc driver programs 82c and 82c PNIC chips to use the store and forward setting for the transmit start threshold by default.

The dc driver does its best to provide generalized support for all of these chipsets in order to keep special case code to a minimum. The transmitter works but the receiver tends to produce many unexplained errors leading to very poor overall performance.