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wiz 2009-05-18 09:45:54 +00:00
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commit 6ff569e343
1 changed files with 44 additions and 27 deletions
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71
share/man/man4/ep.4
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@ -1,4 +1,4 @@
.\" $NetBSD: ep.4,v 1.35 2007/10/30 20:56:00 christos Exp $
.\" $NetBSD: ep.4,v 1.36 2009/05/18 09:45:54 wiz Exp $
.\"
.\" Copyright (c) 1997 Jonathan Stone
.\" All rights reserved.
@ -52,25 +52,27 @@ device driver supports the 3Com EtherLink III family of Ethernet cards.
.Pp
The 3c515 is an ISA 10/100 card with DMA capability.
The chipset is similar to that of the 3c905, with some changes to
make it work with the more limited ISA bus address space. This card
is supported, although DMA is not used.
make it work with the more limited ISA bus address space.
This card is supported, although DMA is not used.
.Pp
The EISA and PCI 3c59x devices use an older DMA engine which is not
capable of multi-segment DMA. DMA on these devices is not used.
capable of multi-segment DMA.
DMA on these devices is not used.
.Pp
The 3c529 is a MCA device, and doesn't support DMA.
.Pp
The PCI 3c90x devices have multi-segment DMA capability, which is
not supported by the
.Nm
driver. To use the DMA capabilities of these cards, the
driver.
To use the DMA capabilities of these cards, the
.Xr ex 4
driver must be used.
.Pp
The PCI 3c90xB devices are not supported by the
.Nm
driver, as they do not include support for programmed I/O. These
devices are supported by the
driver, as they do not include support for programmed I/O.
These devices are supported by the
.Xr ex 4
driver.
.Pp
@ -80,33 +82,42 @@ driver.
.Sh MEDIA SELECTION
There are 3 main chipset classes supported by the
.Nm
driver. Each has their own media selection capabilities.
driver.
Each has their own media selection capabilities.
.Pp
The first class is the
.Dq 3c509
class. This includes the 3c509, 3c509B, 3c529, 3c579, 3c562, and 3c589. These
devices can support 10BASE-T, 10BASE2, and 10BASE5. Available media will
be displayed when the device is found by the kernel.
class.
This includes the 3c509, 3c509B, 3c529, 3c579, 3c562, and 3c589.
These devices can support 10BASE-T, 10BASE2, and 10BASE5.
Available media will be displayed when the device is found by the kernel.
.Pp
The second class is the
.Dq Vortex
class. This includes the 3c592, 3c579, 3c590, and 3c595. This class also
includes the 3c900-TPO and 3c900-COMBO; they use the
class.
This includes the 3c592, 3c579, 3c590, and 3c595.
This class also includes the 3c900-TPO and 3c900-COMBO; they use the
.Dq Boomerang
chipset, but use Vortex-style media selection. These devices have many
different media types varying by model. Some models have an external MII
connector for connecting an external PHY. This is supported by means of the
"manual" media type. Available media will be displayed when the device is
found by the kernel.
chipset, but use Vortex-style media selection.
These devices have many different media types varying by model.
Some models have an external MII connector for connecting an external
PHY.
This is supported by means of the
.Dq manual
media type.
Available media will be displayed when the device is found by the kernel.
.Pp
The third class is the
.Dq Boomerang
class. This includes the 3c515, 3c905, and 3c574. These devices support
media selection via MII. The 3c515 and 3c905 have an
class.
This includes the 3c515, 3c905, and 3c574.
These devices support media selection via MII.
The 3c515 and 3c905 have an
.Xr nsphy 4 ,
and the 3c574 has a
.Xr tqphy 4 ,
for this purpose. See
for this purpose.
See
.Xr ifmedia 4
and
.Xr mii 4
@ -156,8 +167,10 @@ scan operation at IO address 0x100.
Avoid placing other cards at that address!
.Pp
The 3Com configuration utilities can `autosense' the active media and
save it as default. The saved default medium is the medium that
was active at the time the configuration utility was run. The
save it as default.
The saved default medium is the medium that
was active at the time the configuration utility was run.
The
.Nm
driver does not yet re-autosense the active media at boot time.
If the EEPROM autosense bit is set, the driver simply uses the media
@ -165,13 +178,17 @@ type sensed and saved when the configuration utility was run.
.Sh DIAGNOSTICS
.Bl -diag
.It "ep0: reset (status: %x)"
the driver has encountered a FIFO underrun or overrun. The driver will reset
the card and the packet will be lost. This is not fatal.
the driver has encountered a FIFO underrun or overrun.
The driver will reset the card and the packet will be lost.
This is not fatal.
.It "ep0: eeprom failed to come ready"
The EEPROM failed to come ready. This probably means the card is wedged.
The EEPROM failed to come ready.
This probably means the card is wedged.
.It "ep0: 3c509 in test mode. Erase pencil mark!"
This means that someone has scribbled with pencil in the test area on the
card. Erase the pencil mark and reboot. (This is not a joke).
card.
Erase the pencil mark and reboot.
(This is not a joke).
.El
.Sh SEE ALSO
.Xr eisa 4 ,