Annotation of wikisrc/ports/shark.mdwn, revision 1.1
1.1 ! mspo 1: [[!template id=port
! 2: port="shark"
! 3: cur_rel="6.0"
! 4: future_rel="7.0"
! 5: changes_cur="6.0"
! 6: changes_future="7.0"
! 7: thumbnail="http://www.netbsd.org/images/ports/shark/shark.gif"
! 8: about="""
! 9: NetBSD/shark is a port of NetBSD to StrongARM based Digital DNARD ("Shark")
! 10: machines.
! 11:
! 12: Up until the release of NetBSD 1.6, this port used to be part of the
! 13: [NetBSD/arm32 port](/ports/arm32).
! 14: """
! 15: additional="""
! 16: <div id="content"><div class="fullWidth"><div class="rowOfBoxes">
! 17: <h1>NetBSD/shark Frequently Asked Questions</h1>
! 18: <h3 class="title"><a name="hardware">Hardware Information</a></h3>
! 19: <ul>
! 20: <li><a href="#shark_memory">What type of memory does the Shark require?</a></li>
! 21: <li><a href="#shark_extend_memory">How do I extend memory to more than 64MB?</a></li>
! 22: <li><a href="#shark_firmware_upgrade">Should I upgrade my Shark's firmware, and if so, how do I do it?</a></li>
! 23: <li><a href="#internal-power-supply">Where's the internal IDE power supply and mounting
! 24: brackets?</a></li>
! 25: <li><a href="#x_config">Is there a XF86config file that I can use on my shark?</a></li>
! 26: </ul>
! 27: <h3 class="title"><a name="">Booting</a></h3>
! 28: <ul>
! 29: <li><a href="#firmware">Gee, it looks a lot like a Sun boot monitor</a></li>
! 30: <li><a href="#eeprom">My EEPROM somehow got hosed; my Ethernet shows
! 31: ff:ff:ff:ff:ff:ff</a></li>
! 32: <li><a href="#gen_shark_disk_boot">How do I boot a Shark from an internal disk?</a></li>
! 33: <li><a href="#shark_boot">When installing NetBSD/shark on a Shark with an internal drive,
! 34: do I need to install a boot loader?</a></li>
! 35: <li><a href="#root-path">What do I have to feed my Shark as
! 36: root-path?</a></li>
! 37: <li><a href="#net_shark">I can't get my DNARD/Shark to netboot a new kernel!</a></li>
! 38: <li><a href="#dhcp-config">Can you give me a sample DHCP configuration?</a></li>
! 39: </ul>
! 40: <h3 class="title"><a name="general">General questions</a></h3>
! 41: <ul>
! 42: <li><a href="#device-names">What are the device names?</a></li>
! 43: <li><a href="#smartcard">How do I make use of the smart card or IR ports?</a></li>
! 44: </ul>
! 45: <hr>
! 46: <h3 class="title">Hardware Information</h3>
! 47: <p>Most of the information is on <a class="ulink" href="http://web.archive.org/web/20030626074859/www.research.compaq.com/SRC/iag/info/new-hard.html" target="_top">Digital's
! 48: site</a>.</p>
! 49: <h4 class="title">
! 50: <a name="shark_memory"></a>What type of memory does the Shark require? (<a href="#hardware">top</a>)
! 51: </h4>
! 52: <p>The <a class="ulink" href="http://www.feyrer.de/NetBSD/dnardug.pdf" target="_top">DNARD
! 53: user guide</a> has information about this in section 4.5.1,
! 54: <span class="quote">“<span class="quote">Supported DIMMs</span>”</span>.
! 55: </p>
! 56:
! 57: <h4 class="title">
! 58: <a name="shark_extend_memory"></a>How do I extend memory to more than 64MB? (<a href="#hardware">top</a>)
! 59: </h4>
! 60: <p>See the <a class="ulink" href="http://www.aprisoft.de/shark/" target="_top">Extending
! 61: memory on your DNARD (shark) to more than 64MB</a> webpage for details.
! 62: </p>
! 63:
! 64: <h4 class="title">
! 65: <a name="shark_firmware_upgrade"></a>Should I upgrade my Shark's firmware, and if so, how do I do it? (<a href="#hardware">top</a>)
! 66: </h4>
! 67: <p>Upgrading the Shark's firmware can be somewhat frustrating, but
! 68: in some cases, you may want (or need) to do it.
! 69: these requests are incredibly busy right now. Chris Demetriou
! 70: volunteered to help them out with firmware image distribution, and
! 71: they accepted his offer.
! 72: </p>
! 73:
! 74: <p>If you're looking for an update for Shark firmware, Chris Demetriou
! 75: may be able to help you out. Send him an e-mail at
! 76: <code class="email"><<a class="email" href="mailto:cgd@NetBSD.org">cgd@NetBSD.org</a>></code> with the subject <span class="quote">“<span class="quote">SHARK FIRMWARE
! 77: REQUEST</span>”</span>, and then, after making you jump through a few hoops,
! 78: he'll point you at the bits.</p>
! 79:
! 80: <p>People should know that there are a few
! 81: <span class="quote">“<span class="quote">interesting</span>”</span> versions of firmware that they might
! 82: want:</p>
! 83:
! 84: <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
! 85: <li class="listitem">
! 86: <p>The 980225 image which is the minimum necessary to Shark
! 87: support integrated into the master NetBSD sources. (The
! 88: 1.3-based distribution from Digital could tolerate earlier
! 89: versions, but the integrated bits won't)</p>
! 90: </li>
! 91: <li class="listitem">
! 92: <p>A version of the 980225 image hacked to use all of the
! 93: environment SEEPROM for OFW nvram storage. (This is useful if
! 94: you want a large nvramrc, for instance)</p>
! 95: </li>
! 96: <li class="listitem">
! 97: <p>An image dated 980908, which seems similar to the 980225,
! 98: but adds additional keymaps and changes the video chip bootstrap
! 99: initialization.</p>
! 100: </li>
! 101: </ul></div>
! 102:
! 103: <p>After you have the bits, you're ready to upgrade.</p>
! 104:
! 105: <p>You should start by reading <a class="ulink" href="http://mail-index.NetBSD.org/port-arm32/1999/10/30/0003.html" target="_top">Chris'
! 106: summary</a> on the subject, from the <a class="ulink" href="http://mail-index.NetBSD.org/port-arm32/" target="_top">port-arm32 mail
! 107: archive</a>.</p>
! 108:
! 109:
! 110: <h4 class="title">
! 111: <a name="internal-power-supply"></a>Where's the internal IDE power supply and mounting
! 112: brackets? (<a href="#hardware">top</a>)
! 113: </h4>
! 114: <p>The DNARD does have an internal IDE port with a standard 0.100"
! 115: spacing, 2-row, 40-pin header connector, as you see <a class="ulink" href="http://web.archive.org/web/20030730214011/www.research.compaq.com/SRC/iag/info/ide.html" target="_top">here</a>.
! 116: </p>
! 117:
! 118: <p>However, the DNARD has only +5V power coming from its power
! 119: supply — and no DC-DC converter to produce +12V. Therefore, you will
! 120: only be able to pull 5V power from the four-pin white header connector
! 121: behind the IDE port. There are no mounting brackets shipped with the
! 122: DNARDs that have no Iomega ZIP drive preinstalled.</p>
! 123:
! 124: <div class="sect4">
! 125: <div class="titlepage"><div><div><h5 class="title">
! 126: <a name="laptop-size-HDD"></a>Using a 2.5" laptop size IDE HDD</h5></div></div></div>
! 127:
! 128:
! 129: <p>It is possible to use a "standard" 2.5 inch IDE hard drive,
! 130: usually intended for laptops, inside the Shark. You will need:</p>
! 131: <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
! 132: <li class="listitem">a 2.5" to 3.5" drive mounting bracket</li>
! 133: <li class="listitem">a 44-pin, 0.075" spacing to 40-pin-plus-4-pin, 0.100"
! 134: spacing, IDE adapter cable</li>
! 135: <li class="listitem">3.5" mounting rails as described below in mounting a 3.5"
! 136: drive</li>
! 137: </ul></div>
! 138:
! 139: <p>Fortunately, almost all 2.5" HDs require low power and only +5V,
! 140: so they will run off of the existing Shark power supply. This is the
! 141: most ideal solution for adding an internal HD to the Shark for those
! 142: models without the Zip drive.</p>
! 143:
! 144: <p>Simply mount the 2.5" drive in the bracket, and attach the
! 145: bracket as you would a 3.5" HD as described below. Connect the adapter
! 146: cable from the hard drive to both the 40-pin IDE and the 4-pin power
! 147: connectors on the motherboard.</p>
! 148:
! 149: </div>
! 150:
! 151: <div class="sect4">
! 152: <div class="titlepage"><div><div><h5 class="title">
! 153: <a name="internal-hdd"></a>Using a 3.5" internal IDE HDD</h5></div></div></div>
! 154:
! 155:
! 156: <p>WARNING: Most 3.5" HDDs are relatively high on heat. If trying this
! 157: out, we recommend that you check the temperature of the drive
! 158: and the motherboard underneath it frequently. You may also want to remove
! 159: the front panel taken off and add an extra fan pointing directly at the hard
! 160: disk opening.</p>
! 161:
! 162: <p>The mounting holes for the internal HD are found at the front of
! 163: the case on either side of the Zip drive recess (right above the
! 164: ROMcard slot). Though this appears to need a special bracket, the
! 165: "slide rails" used in some kinds of PCs (old Compaq, some Packard
! 166: Hell, Gateway 2000) work perfectly for the task, even though they
! 167: were intended for 5.25" drive bays.</p>
! 168:
! 169: <p>For this task you will need:</p>
! 170:
! 171: <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
! 172: <li class="listitem">two PC drive slide rails</li>
! 173: <li class="listitem">a 40-pin "standard" IDE cable, short</li>
! 174: <li class="listitem">an external power supply to drive the HDD, with 4 pin Molex
! 175: connector</li>
! 176: <li class="listitem">(optional) a soft ferrite toroid or cylinder to thread the
! 177: power cord through</li>
! 178: </ul></div>
! 179:
! 180: <p>Attach the slide rails to the sides of the 3.5" hard drive,
! 181: preferably in such a way that the hard drive is no more than 1 cm
! 182: inward from the front metal wall of the DNARD. For Gateway 2000 rails,
! 183: use the lower and frontmost of the pairs of screw slots.</p>
! 184:
! 185: <p>Attach the drive, with slide rails attached, to the front metal
! 186: wall of the DNARD. The screw holes use the same type of screws as the
! 187: rest of the DNARD unit; unfortunately, those screws do not hold most
! 188: PC brackets in place, so you may need to use metal washers or screws
! 189: from a hardware store to affix the brackets. (If you know what size
! 190: screw the DNARD uses, please let us know).</p>
! 191:
! 192: <p>Connect the IDE cable to both the drive and motherboard. String
! 193: the external power supply's cable through one of the back panels of
! 194: the DNARD, and connect it to the drive. It's preferable to have a
! 195: ferrite toroid somewhere along this power line inside the DNARD case
! 196: as it will reduce electromagnetic interference. (Suggested by
! 197: ross@NetBSD.org.)</p>
! 198:
! 199: <p>It still needs investigating whether the external power supply
! 200: can drive the DNARD motherboard by feeding power into the hard drive
! 201: power connector.</p>
! 202:
! 203: <p><span class="quote">“<span class="quote">Oops</span>”</span> concerns: My unit has the HDD resting on a
! 204: length of IDE cable, which also separates the drive from any
! 205: electronic components on the motherboard. If your IDE cable is not
! 206: <span class="quote">“<span class="quote">short</span>”</span>, this is a good idea to use, as there is at least
! 207: one test jumper that could come in contact with the underside of the
! 208: hard drive if the slide rails were to bend downward.</p>
! 209: </div>
! 210:
! 211: <div class="sect4">
! 212: <div class="titlepage"><div><div><h5 class="title">
! 213: <a name="underwatervideo"></a>My video looks like it is underwater — it shakes after warming
! 214: up.</h5></div></div></div>
! 215:
! 216:
! 217: <p>The common problem of "swimming" video observed on most —
! 218: but not all — DNARD revision 5 units has a hardware fix involving
! 219: some SMD soldering and very small pins. So, if you're dexterous enough
! 220: for the job, <a class="ulink" href="http://web.archive.org/web/20030730220058/www.research.compaq.com/SRC/iag/info/DNARDfix/index.html" target="_top">here</a>'s
! 221: the fix.
! 222: </p>
! 223:
! 224: <p>By some stroke of luck, some Rev5 boards do not have the
! 225: problem, though they use identical parts.</p>
! 226: </div>
! 227:
! 228: <div class="sect4">
! 229: <div class="titlepage"><div><div><h5 class="title">
! 230: <a name="chiplevel-specs"></a>I want chip-level specs!</h5></div></div></div>
! 231:
! 232: <p>Then have them: The Revision 5 specs are <a class="ulink" href="http://web.archive.org/web/20010603180429/www.research.compaq.com/SRC/iag/info/dnaext/hardrev5.html" target="_top">here</a>.
! 233: </p>
! 234: </div>
! 235:
! 236: <div class="sect4">
! 237: <div class="titlepage"><div><div><h5 class="title">
! 238: <a name="cpu-position"></a> Where's the CPU?</h5></div></div></div>
! 239:
! 240:
! 241: <p>Look carefully for the chip marked with a "233" under the
! 242: ROMcard slot at the front right of the case. Don't be fooled about the
! 243: size or lack of heatsink — that's it.</p>
! 244: </div>
! 245:
! 246: <h4 class="title">
! 247: <a name="x_config"></a>Is there a XF86config file that I can use on my shark? (<a href="#hardware">top</a>)
! 248: </h4>
! 249: <p>Yes, there's one at <a class="ulink" href="ftp://ftp.NetBSD.org/pub/NetBSD/arch/shark/DNARD/XF86Config" target="_top">ftp://ftp.NetBSD.org/pub/NetBSD/arch/shark/DNARD/XF86Config</a>.
! 250: Put it into your Sharks' <code class="code">/etc</code> directory.</p>
! 251: <hr>
! 252: <h3 class="title">Booting</h3>
! 253: <h4 class="title">
! 254: <a name="firmware"></a>Gee, it looks a lot like a Sun boot monitor (<a href="#">top</a>)
! 255: </h4>
! 256:
! 257: <p>This is called the OpenFirmware boot monitor. It originated at
! 258: Sun Microsystems, hence the very similar look. The firmware was
! 259: created by <a class="ulink" href="http://www.firmworks.com/" target="_top">FirmWorks</a>.</p>
! 260:
! 261: <p>The DNARD binding for OpenFirmware is available in <a class="ulink" href="ftp://ftp.NetBSD.org/pub/NetBSD/arch/arm32/DNARD/dnard-ofw.pdf" target="_top">this
! 262: FAQ's download area</a>.</p>
! 263:
! 264: <p>You can also take a look at the actual <a class="ulink" href="http://playground.sun.com/1275/" target="_top">OpenFirmware working group web
! 265: page</a>.</p>
! 266:
! 267: <h4 class="title">
! 268: <a name="eeprom"></a>My EEPROM somehow got hosed; my Ethernet shows
! 269: ff:ff:ff:ff:ff:ff (<a href="#">top</a>)
! 270: </h4>
! 271:
! 272: <p>Todd Vierling figured this one out based on the information
! 273: contained in the <a class="ulink" href="http://www.squirrel.com/squirrel/sun-nvram-hostid.faq.html" target="_top">Sun
! 274: NVRAM/hostid FAQ</a> and the <a class="ulink" href="http://web.archive.org/web/20030730214203/www.research.compaq.com/SRC/iag/info/new-hostid.html" target="_top">DNARD
! 275: Host ID information</a>. Believe it or not, mkp works on the
! 276: DNARDs, though not quite like it does on the Suns. The mkpl shortcut
! 277: does not work, however.</p>
! 278:
! 279: <p>Assuming you know the Ethernet address of your unit
! 280: (8:0:2b:AA:BB:CC where AA, BB, and CC are one or two digit hex
! 281: numbers), use the following commands to reprogram your EEPROM. If you
! 282: don't know what your machine's Ethernet address should be, pick one,
! 283: but be wary of the MAC addresses elsewhere on your network.</p>
! 284: <pre class="programlisting">
! 285: ok 8 0 mkp 8 f mkp
! 286: ok 0 1 mkp 0 e mkp
! 287: ok 2b 2 mkp 2b d mkp
! 288: ok AA 3 mkp AA c mkp
! 289: ok BB 4 mkp BB b mkp
! 290: ok CC 5 mkp CC a mkp
! 291: ok reset-all
! 292: </pre>
! 293:
! 294: <p>If this doesn't help, try it again with the following additional
! 295: mkp commands:</p>
! 296: <pre class="programlisting">
! 297: ok ff 18 mkp ff 1c mkp
! 298: ok 0 19 mkp 0 1d mkp
! 299: ok 55 1a mkp 55 1e mkp
! 300: ok aa 1b mkp aa 1f mkp
! 301: </pre>
! 302:
! 303: <h4 class="title">
! 304: <a name="gen_shark_disk_boot"></a>How do I boot a Shark from an internal disk? (<a href="#">top</a>)
! 305: </h4>
! 306: <p>
! 307: To setup a Shark to boot from an internal IDE disk you must aquire an IDE
! 308: cable and power adapter, ensure that drive is void of any PC BIOS partition
! 309: tables, install NetBSD, and update your firmware settings.
! 310: </p>
! 311:
! 312: <div class="sect4">
! 313: <div class="titlepage"><div><div><h5 class="title">
! 314: <a name="gen_shark_disk_boot_installhw"></a>a) Installing the hardware</h5></div></div></div>
! 315:
! 316: <p>The shark has an internal IDE connector, but it does not have a
! 317: large 4-pin 12V power connector used by most standard IDE drives. In
! 318: place of the large 4-pin 12V connector is a newer and smaller floppy
! 319: drive style power connector. These factors make a laptop drive with a
! 320: laptop to standard IDE converter the best choice. Depending on your
! 321: converter, you may also need an adapter to convert the smaller floppy
! 322: drive style power connector to the larger 12V connector required by
! 323: your converter. Once installed, the drive can be secured to the top
! 324: of the ROM slot track using cable ties. You can also use hook and
! 325: fastener strips (also known by the brand name
! 326: <span class="emphasis"><em>Velcro®</em></span>) to secure the drive to the case.
! 327: </p>
! 328: </div>
! 329:
! 330:
! 331: <div class="sect4">
! 332: <div class="titlepage"><div><div><h5 class="title">
! 333: <a name="gen_shark_disk_boot_format"></a>b) Formatting the drive</h5></div></div></div>
! 334:
! 335:
! 336: <p>Your drive must be properly formatted to be recognized as a
! 337: bootable disk by the Shark firmware. The NetBSD/shark install will
! 338: normally take care of most of the formatting for you, but in some
! 339: cases your drive may have an IBM-PC style Master Boot Record (or
! 340: <span class="emphasis"><em>MBR</em></span>). This MBR must be erased before the Shark
! 341: firmware will recognize the NetBSD filesystem on the drive. To make
! 342: sure that the MBR is erased, do the following:</p>
! 343:
! 344: <div class="orderedlist"><ol class="orderedlist" type="1">
! 345: <li class="listitem">
! 346: <p>Install NetBSD as normal.</p>
! 347: </li>
! 348: <li class="listitem">
! 349: <p>Before rebooting, obtain a shell prompt and issue the
! 350: command <code class="code">dd if=/dev/zero of=/dev/wd0c bs=512
! 351: count=1</code></p>
! 352: </li>
! 353: <li class="listitem">
! 354: <p>Reboot and update the firmware environment (below).</p>
! 355: </li>
! 356: </ol></div>
! 357: </div>
! 358:
! 359: <div class="sect4">
! 360: <div class="titlepage"><div><div><h5 class="title">
! 361: <a name="gen_shark_disk_boot_firmware"></a>c) Updating the firmware environment</h5></div></div></div>
! 362:
! 363:
! 364: <p>To autoboot from the disk you will need to install the
! 365: <code class="code">wdboot</code> kernel and from the PROM type:</p>
! 366:
! 367: <code class="code">setenv boot-device disk:\netbsd</code>
! 368: </div>
! 369:
! 370: <h4 class="title">
! 371: <a name="shark_boot"></a>When installing NetBSD/shark on a Shark with an internal drive,
! 372: do I need to install a boot loader? (<a href="#">top</a>)
! 373: </h4>
! 374: <p>The Shark's firmware is capable of loading the NetBSD kernel
! 375: directly from an FFS, provided that the drive does not have an IBM-PC
! 376: style MBR. (See the 'Booting a shark from an internal disk' question
! 377: for instructions on removing an MBR.) As such, it does not require an
! 378: on-disk boot loader unlike many other computers.</p>
! 379:
! 380: <p>Some Sharks are configured to load <code class="code">/boot</code> by default, in
! 381: which case you can just link <code class="code">/netbsd</code> to that name.</p>
! 382:
! 383: <h4 class="title">
! 384: <a name="root-path"></a>What do I have to feed my Shark as
! 385: <span class="quote">“<span class="quote">root-path</span>”</span>? (<a href="#">top</a>)
! 386: </h4>
! 387: <p>Use <span class="quote">“<span class="quote"><code class="filename">/path/to/root</code></span>”</span> (ipaddr of NFS
! 388: server is implied).</p>
! 389:
! 390: <h4 class="title">
! 391: <a name="net_shark"></a>I can't get my DNARD/Shark to netboot a new kernel! (<a href="#">top</a>)
! 392: </h4>
! 393: <p>Chances are, you need to update your firmware. See the
! 394: <a class="ulink" href="#shark_firmware_upgrade" target="_top">Shark firmware upgrade</a>
! 395: question for more information on that.</p>
! 396:
! 397: <h4 class="title">
! 398: <a name="dhcp-config"></a>Can you give me a sample DHCP configuration? (<a href="#">top</a>)
! 399: </h4>
! 400:
! 401: <p>These should be the minimum settings necessary to make dhcpd
! 402: happy and to boot Sharks. You can find the Ethernet address by
! 403: plugging a Shark in and looking at the console (a keyboard must be
! 404: plugged in for the VGA console to work).</p>
! 405:
! 406: <pre class="programlisting">
! 407: option domain-name "home.duh.org";
! 408: option domain-name-servers 10.69.1.3;
! 409: subnet 10.69.1.0 netmask 255.255.255.0 {}
! 410: host nc1 {
! 411: hardware ethernet 08:00:2b:81:60:b6;
! 412: fixed-address 10.69.1.5;
! 413: filename "netbsd";
! 414: option root-path "/export/nc/nc1root";
! 415: next-server tftpserver_name;
! 416: }
! 417: host nc2 {
! 418: hardware ethernet 08:00:2b:81:60:95;
! 419: fixed-address 10.69.1.6;
! 420: filename "netbsd";
! 421: option root-path "/export/nc/nc2root";
! 422: next-server tftpserver_name;
! 423:
! 424: }
! 425: </pre>
! 426: <hr>
! 427: <h3 class="title">General questions</h3>
! 428: <h4 class="title">
! 429: <a name="device-names"></a>What are the device names? (<a href="#general">top</a>)
! 430: </h4>
! 431:
! 432: <p>The various ports are available on the following devices:</p>
! 433: <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
! 434: <li class="listitem">Printer (parallel Centronics 25-pin female):
! 435: <code class="filename">/dev/lpt0</code>
! 436: </li>
! 437: <li class="listitem">Serial (DE9 male): <code class="filename">/dev/tty00</code>
! 438: </li>
! 439: <li class="listitem">Infrared controller: <code class="filename">/dev/tty01</code>
! 440: </li>
! 441: <li class="listitem">PS/2 style mouse: <code class="filename">/dev/pms0</code>
! 442: </li>
! 443: <li class="listitem">IDE drives: <code class="filename">/dev/[r]wd[01]*</code>
! 444: </li>
! 445: <li class="listitem">Ethernet: (device cs0)</li>
! 446: </ul></div>
! 447:
! 448: <h4 class="title">
! 449: <a name="smartcard"></a>How do I make use of the smart card or IR ports? (<a href="#general">top</a>)
! 450: </h4>
! 451:
! 452: <p>This is currently not unknown.</p>
! 453:
! 454: <p>Under NetBSD, the smart card reader is on
! 455: <code class="filename">/dev/scr0</code>, but it's not clear how to use the
! 456: device.</p>
! 457:
! 458: <p>The infrared controller, which is bidirectional, is implemented
! 459: as a <span class="quote">“<span class="quote">serial</span>”</span> device on
! 460: <code class="filename">/dev/tty01</code>. Its protocol probably needs
! 461: documentation, and a willing soul could explore it and let us in on
! 462: the secrets. Note that it is not irDA; rather, it is a slower
! 463: consumer-grade IR device.</p>
! 464: </div></div></div>
! 465:
! 466: """
! 467:
! 468: ]]
! 469: [[!tag tier2port]]
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