[src/netbsd-1-5]: src/share/man/man4 sync with netbsd-current, approved by re...

[itojun <itojun%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ace58460edba
branches:  netbsd-1-5
changeset: 488452:ace58460edba
user:      itojun <itojun%NetBSD.org@localhost>
date:      Fri Jul 07 07:32:25 2000 +0000

description:
sync with netbsd-current, approved by releng-1-5

share/man/man4/cnw.4 1.8 -> 1.10

- sync memory mapped i/o size requirement with the current code
- mention that cnw devices are not compatible with 802.11.
- talk about frequency conflict with 802.11 a bit.

diffstat:

 share/man/man4/cnw.4 |  24 ++++++++++++++++++------
 1 files changed, 18 insertions(+), 6 deletions(-)

diffs (53 lines):

diff -r 4d0411cb3be9 -r ace58460edba share/man/man4/cnw.4
--- a/share/man/man4/cnw.4      Fri Jul 07 07:31:29 2000 +0000
+++ b/share/man/man4/cnw.4      Fri Jul 07 07:32:25 2000 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: cnw.4,v 1.8 2000/05/13 15:22:16 mycroft Exp $
+.\"    $NetBSD: cnw.4,v 1.8.4.1 2000/07/07 07:32:25 itojun Exp $
 .\"
 .\" Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved.
 .\"
@@ -59,9 +59,14 @@
 .Xr awi 4
 driver.
 .Pp
-The card uses 32K of I/O memory mapped to the card along with either 16 I/O ports
-or 4K of additional I/O memory for access to command registers.
-The driver currently only supports the use of the additional 4K of I/O memory.
+Netwave devices are not compatible with IEEE 802.11 wireless network.
+Also note that there are Netwave devices with different wireless frequency,
+depending on radio band plan in each countries.
+.Pp
+The card uses 36K of I/O memory mapped to the card.
+.\"The card uses 32K of I/O memory mapped to the card along with either 16 I/O ports
+.\"or 4K of additional I/O memory for access to command registers.
+.\"The driver currently only supports the use of the additional 4K of I/O memory.
 You may need to increase memory space available to the PCMCIA controller.
 See
 .Xr pcmcia 4
@@ -69,8 +74,15 @@
 .Pp
 In use, the cards appear to achieve up to a 420Kb/s transfer rate, though
 a transfer rate between 250Kb/s and 350Kb/s is typical.
+.Pp
 The card operates in the 2.4Ghz frequency range and is subject to interference
-from microwaves as well as earth.
+from microwaves, IEEE 802.11 wireless network devices, as well as earth.
+For example, it seems that IEEE 802.11 channel 14 conflicts with Netwave
+.Pq US frequency .
+They interfere each other if we operate both of them
+in the same geographic region, causing weird packet loss.
+You may be able to avoid the interference with IEEE 802.11 devices,
+by changing IEEE 802.11 channel.
 .Sh HARDWARE
 Cards supported by the
 .Nm
@@ -85,7 +97,7 @@
 .Sh DIAGNOSTICS
 .Bl -diag
 .It "cnw0: can't map memory"
-Indicates that the driver was not able to allocate 32Kbytes of PCMCIA bus
+Indicates that the driver was not able to allocate enough PCMCIA bus
 address space into which to map the device.
 See
 .Xr pcmcia 4