From 244b8ead7d31895ea1d7cfb075f4f7b33df35b0f Mon Sep 17 00:00:00 2001 From: sheldonh Date: Thu, 2 Mar 2000 14:54:02 +0000 Subject: Remove more single-space hard sentence breaks. --- share/man/man4/xl.4 | 57 +++++++++++++++++++++++++++++++++++------------------ 1 file changed, 38 insertions(+), 19 deletions(-) (limited to 'share/man/man4/xl.4') diff --git a/share/man/man4/xl.4 b/share/man/man4/xl.4 index 3bd9edb..86be2a9 100644 --- a/share/man/man4/xl.4 +++ b/share/man/man4/xl.4 @@ -45,7 +45,8 @@ The .Nm driver provides support for PCI ethernet adapters and embedded controllers based on the 3Com "boomerang" and "cyclone" bus-master -Etherlink XL chips. This includes the 3c900-TP, 3c900-COMBO, 3c905-TX, +Etherlink XL chips. +This includes the 3c900-TP, 3c900-COMBO, 3c905-TX, 3c905-T4, 3c905B-TP, 3c905B-T4 and 3c905B-TX, and embedded 3c905-TX and 3c905B-TX ethernet hardware in certain Dell Optiplex and Dell Precision desktop machines, and certain Dell Latitude laptop docking @@ -53,10 +54,12 @@ stations. .Pp The Etherlink XL chips support built-in 10baseT, 10base2 and 10base5 transceivers as well as an MII bus for externally attached PHY -transceivers. The 3c905 series typically uses a National Semiconductor +transceivers. +The 3c905 series typically uses a National Semiconductor NS 83840A 10/100 PHY for 10/100 Mbps support in full or half-duplex. The 3c905B adapters have built-in autonegotiation logic mapped onto -the MII for compatibility with previous drivers. Fast Etherlink XL +the MII for compatibility with previous drivers. +Fast Etherlink XL adapters such as the 3c905-TX and 3c905B-TX are capable of 10 or 100Mbps data rates in either full or half duplex and can be manually configured for any supported mode or automatically negotiate the highest @@ -68,22 +71,27 @@ driver supports the following media types: .Pp .Bl -tag -width xxxxxxxxxxxxxxxxxxxx .It autoselect -Enable autoselection of the media type and options. Note that this +Enable autoselection of the media type and options. +Note that this option is only available with the 3c905 and 3c905B adapters with -external PHYs or built-in autonegotiation logic. For 3c900 adapters, -the driver will choose the mode specified in the EEPROM. The user can +external PHYs or built-in autonegotiation logic. +For 3c900 adapters, +the driver will choose the mode specified in the EEPROM. +The user can change this by adding media options to the .Pa /etc/rc.conf file. .It 10baseT/UTP -Set 10Mbps operation. The +Set 10Mbps operation. +The .Ar mediaopt option can also be used to select either .Ar full-duplex or .Ar half-duplex modes. .It 100baseTX -Set 100Mbps (fast ethernet) operation. The +Set 100Mbps (fast ethernet) operation. +The .Ar mediaopt option can abso be used to select either .Ar full-duplex @@ -127,39 +135,50 @@ allocating a pad buffer or collapsing an mbuf chain into a cluster. .It "xl%d: command never completed!" Some commands issued to the 3c90x ASIC take time to complete: the driver is supposed to wait until the 'command in progress' bit in -the status register clears before continuing. In rare instances, this -bit may not clear. To avoid getting caught in an infinite wait loop, +the status register clears before continuing. +In rare instances, this +bit may not clear. +To avoid getting caught in an infinite wait loop, the driver only polls the bit for a finite number of times before -giving up, at which point it issues this message. This message may -be printed during driver initialization on slower machines. If you +giving up, at which point it issues this message. +This message may +be printed during driver initialization on slower machines. +If you see this message but the driver continues to function normally, the message can probably be ignored. .It "xl%d: chip is in D3 power state -- setting to D0" This message applies only to 3c905B adapters, which support power -management. Some operating systems place the 3c905B in low power +management. +Some operating systems place the 3c905B in low power mode when shutting down, and some PCI BIOSes fail to bring the chip -out of this state before configuring it. The 3c905B loses all of +out of this state before configuring it. +The 3c905B 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 won't be able to configure it -correctly. The driver tries to detect this condition and bring +correctly. +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. If +enough to return the driver to a fully operational condition. +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 second warm boot to have the device properly configured. .Pp Note that this condition only occurs when warm booting from another -operating system. If you power down your system prior to booting +operating system. +If you power down your system prior to booting .Fx , the card should be configured correctly. .It "xl%d: WARNING: no media options bits set in the media options register!" This warning may appear when using the driver on some Dell Latitude -docking stations with built-in 3c905-TX adapters. For whatever the +docking stations with built-in 3c905-TX adapters. +For whatever the reason, the 'MII available' bit in the media options register on this particular equipment is not set, even though it should be (the 3c905-TX always uses an external PHY transceiver). The driver will attempt to guess the proper media type based on the PCI device ID -word. The driver makes a lot of noise about this condition because +word. +The driver makes a lot of noise about this condition because the author considers it a manufacturing defect. .El .Sh SEE ALSO -- cgit v1.1