3c90x: Difference between revisions
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===The Card=== |
===The Card=== |
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* 3c90x is a successor to 3c59x (which are successor to 3c5x9). A new feature introduced in this series is full bus master operation mode with seperate download and upload buffer chains. |
* 3c90x (FastEtherLink XL) is a successor to 3c59x (which are successor to 3c5x9). A new feature introduced in this series is full bus master operation mode with seperate download and upload buffer chains. |
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* 3c90x support PIO for compability; 3c90xB and 3c90xC do not. |
* 3c90x support PIO for compability; 3c90xB and 3c90xC do not. |
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* the adapter can be setup to wake the system upon reception of packets with a programmable filter. |
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* VLAN support. |
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* TCP/IP checksum checking support. |
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===Programming considerations=== |
===Programming considerations=== |
Revision as of 21:27, 4 August 2008
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3c90x NIC
This page is about the 3c90x/3c90xB/3c90xC family of ethernet adaptors manufactured by 3com. A number of 3com cards share the programming interface of this family; this includes the 3c556 10/100LAN + 56k Modem MiniPCI adapter (also known as 3CN3AC1556B and 3Com® Megahertz® 10 Mbps LAN CF+ Card) and 3c555 10/100LAN MiniPCI adapters.
The Card
- 3c90x (FastEtherLink XL) is a successor to 3c59x (which are successor to 3c5x9). A new feature introduced in this series is full bus master operation mode with seperate download and upload buffer chains.
- 3c90x support PIO for compability; 3c90xB and 3c90xC do not.
- the adapter can be setup to wake the system upon reception of packets with a programmable filter.
- VLAN support.
- TCP/IP checksum checking support.
Programming considerations
- Scan the PCI bus for the device, 3com vendor id 0x10b7, 3c556 device id 0x6055.
- Follow the linux or any other driver.
- The ReadEeprom command value is 0x230 and not 0x80 as on 3c59x and 3c90x cards.
Resources
- Etherboot 3c90x driver
- Linux 3c59x driver, driver operation explained at the top of the file
- FreeBSD 3x90x driver
- 3com product details
- 3c90x and 3x90xB NICs technical reference
- [1]