DIGITAL 21140-AC DRIVER DOWNLOAD

This driver works with almost all of them: Using the 10base2 or AUI Port The new driver automatically switches media types attempting to find a valid selection. See also the Tulip driver development page. You may install just one driver see below if you are using a Linux 2. Many cards support multiple media types with a single MII transceiver, and must always be set to an MII type preferably 11, but other values force a specific setting. The typical chip has 64 bins and uses six bits of CRC. The default is usually autosense, but this may be overridden by changing the configuration EEPROM or by passing a driver option.

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Using the 10base2 or AUI Port The new driver automatically switches media types attempting to find a valid selection.

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Compatibility Macronix network products web page, http: Your card will only have one of these types, and you must known which type to force a setting. Tulip Multicast Support Most Ethernet chips can match a single unicast address — their own station address — and support a statistical aka hash filter for initial filtering of unwanted multicast packets.

This list is being phased out to reduce the spam moderation load, please use the ‘tulip’ list instead. Options for Modules When loaded as a module the following variables may be set: The default is usually autosense, but this may be overridden by changing the configuration EEPROM or by passing a driver option. The media types are: The diagnostic programs are described at http: Donald Becker digiral, becker scyld.

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This driver has been integrated with the kernel source tree since 1.

Linux and the “Tulip” NIC Architecture

After reserving two entries for the broadcast and station digitall, that means up to 14 multicast addresses may be perfectly filtered.

Most distributions based on the 2. The typical chip has 64 bins and uses six bits of CRC. You may install just one driver see below if you are using a Linux 2.

The result is that the driver will report “No EEPROM present” for the first three interfaces, and will back-fill the configuration information when the fourth interface is dihital. Usage instructions Installation The driver installation directions are on the Driver Updates page. Since then many network adapters have used the same interface design. Diagnostic program A Tulip diagnostic program is available to show the current state of the hardware, configure the EEPROM, and help debug media selection and board-setup problems.

Please send the output from this program with any bug reports. Loading the driver module An example of loading the Tulip module is insmod tulip.

With more than 14 multicast addresses the chip matches against a single unicast address and uses a statistical multicast filter with bins, resulting in much better filtering than the 64 bin chips.

The typical operating mode is matching the incoming destination address against a list of 16 addresses. The list grows so rapidly that it’s impossible to keep up to date, but here are cards that I have received reports on: See driver source for tuning details.

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Not all cards can have their media type set with figital. See also the Tulip driver development page. This is typically done by taking the CRC intermediate result just after destination address arrives, digitao using a few bits as the index into a table of which multicast packets are acceptable.

Donald Becker See the drivers for the contact email address. If no internal table is found, the driver configures the chip to use an MII transceiver.

Many cards support multiple media types with a single MII 21140-ax, and must always be set to an MII type preferably 11, but other values force a specific setting.

This driver works with almost all of them: The master copy of this page resides on the Scyld web server. Recent cards use the similar PNIC chip, which requires a v0.

Early versions used National transcievers, but later versions are depopulated ZX boards.

Scyld provides support and development servies for Linux and Beowulf clusters. Announcements are also made on the driver-announce mailing list.

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