diff options
Diffstat (limited to 'share/man/man4/al.4')
| -rw-r--r-- | share/man/man4/al.4 | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/share/man/man4/al.4 b/share/man/man4/al.4 index 3048d57..57e86b6 100644 --- a/share/man/man4/al.4 +++ b/share/man/man4/al.4 @@ -36,25 +36,25 @@ .Sh NAME .Nm al .Nd -ADMtek Inc. AL981 Comet fast ethernet device driver +ADMtek Inc. AL981 Comet and AN985 Centaur fast ethernet device driver .Sh SYNOPSIS .Cd "device al0" .Sh DESCRIPTION The .Nm driver provides support for PCI ethernet adapters and embedded -controllers based on the ADMtek Inc. AL981 Comet fast ethernet -controller chip. +controllers based on the ADMtek Inc. AL981 Comet and AN 985 +Centaur fast ethernet controller chips. .Pp The ADMtek chip uses bus master DMA and is designed to be a DEC 21x4x workalike. The only major difference between the DEC -and ADMtek parts is that the AL981 receiver filter is programmed +and ADMtek parts is that the ADMtek receiver filter is programmed using two special registers where as the DEC chip is programmed by uploading a special setup frame via the transmit DMA engine. -The AL981 receive filter can only be programmed with a single +The AL981 and AN985 can only be programmed with a single perfect filter entry for the local station address and a 64-bit multicast hash table; the DEC filter supports several other -options. The ADMtek fast ethernet controller supports both +options. The ADMtek fast ethernet controllers support both 10 and 100Mbps speeds in either full or half duplex using an internal MII transceiver. .Pp |
