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| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:55:15 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:55:15 -0400 |
| commit | 253e67c8b3a72b3a4757fdbc5845297628db0a4a (patch) | |
| tree | adf53b66087aa30dfbf8bf391a1dadb044c3bf4d /static/netbsd/man4/rtfps.4 4.html | |
| parent | a9157ce950dfe2fc30795d43b9d79b9d1bffc48b (diff) | |
docs: Added All NetBSD Manuals
Diffstat (limited to 'static/netbsd/man4/rtfps.4 4.html')
| -rw-r--r-- | static/netbsd/man4/rtfps.4 4.html | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/static/netbsd/man4/rtfps.4 4.html b/static/netbsd/man4/rtfps.4 4.html new file mode 100644 index 00000000..77bb795c --- /dev/null +++ b/static/netbsd/man4/rtfps.4 4.html @@ -0,0 +1,73 @@ +<table class="head"> + <tr> + <td class="head-ltitle">RTFPS(4)</td> + <td class="head-vol">Device Drivers Manual</td> + <td class="head-rtitle">RTFPS(4)</td> + </tr> +</table> +<div class="manual-text"> +<section class="Sh"> +<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1> +<p class="Pp"><code class="Nm">rtfps</code> — + <span class="Nd">multiplexing serial communications interface</span></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> +<p class="Pp"><code class="Cd">rtfps0 at isa? port 0x1230 irq 10</code> + <br/> + <code class="Cd">com2 at rtfps0 slave 0</code> + <br/> + <code class="Cd">com3 at rtfps0 slave 1</code> + <br/> + <code class="Cd">com4 at rtfps0 slave 2</code> + <br/> + <code class="Cd">com5 at rtfps0 slave 3</code></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> +<p class="Pp">The <code class="Nm">rtfps</code> driver provides support for IBM + RT PC boards that multiplex together up to four EIA RS-232C (CCITT V.28) or + RS-422A communications interfaces.</p> +<p class="Pp">Each <code class="Nm">rtfps</code> device is the master device for + up to four <code class="Nm">com</code> devices. The kernel configuration + specifies these <code class="Nm">com</code> devices as slave devices of the + <code class="Nm">rtfps</code> device, as shown in the synopsis. The port + specification for the <code class="Nm">rtfps</code> device is used to + compute the base addresses for the <code class="Nm">com</code> + subdevices.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="FILES"><a class="permalink" href="#FILES">FILES</a></h1> +<dl class="Bl-tag"> + <dt><span class="Pa">/dev/tty0?</span></dt> + <dd style="width: auto;"> </dd> +</dl> +</section> +<section class="Sh"> +<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE + ALSO</a></h1> +<p class="Pp"><a class="Xr">com(4)</a></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> +<p class="Pp">The <code class="Nm">rtfps</code> driver was written by Charles + Hannum, based on the <code class="Nm">ast</code> driver.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="BUGS"><a class="permalink" href="#BUGS">BUGS</a></h1> +<p class="Pp">The <code class="Nm">rtfps</code> driver is unlikely to work on + non-EISA and non-PCI machines. The ISA bus only asserts 10 I/O address + lines, and this is not enough.</p> +<p class="Pp">Even on EISA and PCI machines, some address conflicts have been + observed. On one machine, the second port always conflicted with something + (though it's not clear what) and caused strange results. Disabling the + second port in the kernel config allowed the other three ports to function + correctly.</p> +</section> +</div> +<table class="foot"> + <tr> + <td class="foot-date">August 7, 1994</td> + <td class="foot-os">NetBSD 10.1</td> + </tr> +</table> |
