mirror of https://github.com/openbsd/www.git
131 lines
4.9 KiB
HTML
131 lines
4.9 KiB
HTML
<!doctype html>
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<html lang=en id=platform>
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<meta charset=utf-8>
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<title>OpenBSD/landisk</title>
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<meta name="description" content="the OpenBSD/landisk page">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="stylesheet" type="text/css" href="openbsd.css">
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<link rel="canonical" href="https://www.openbsd.org/landisk.html">
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<h2 id=OpenBSD>
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<a href="index.html">
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<i>Open</i><b>BSD</b></a>
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landisk
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</h2>
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<hr>
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<table><tr><td>
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<p>
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OpenBSD/landisk runs on machines related to the
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<a href="http://www.iodata.jp/prod/storage/hdd/2004/usl-5p/index.htm">
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IO-DATA USL-5P</a>, using a
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<a href="http://www.renesas.com">Hitachi/Renesas</a>
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SH-4 CPU.<br>
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This platform comes in a variety of models:
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<ul>
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<li>IO-DATA USL-5P, using CF storage (Japan; as shown)
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<li>IO-DATA HDL-U, HDL-AV, HDL-W and HDLM-U series (Japan)
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<li>SuperTank LAN Tank (SOTO-HDLWU) (Japan)
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<li>IO-DATA UHDL-160U and UHDL-300U (May be found in USA)
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<li>Plextor PX-EH16L, PX-EH25L and PX-EH40L
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</ul>
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<p>
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Note: The "Giga-landisk" and HDL-F machines are ARM-based
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(both Intel XScale & Marvell), some of which were supported by the
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defunct <a href="armish.html">armish</a> architecture.
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<td>
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<a href="images/usl5p.jpg">
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<img src="images/usl5p.jpg" width="306" height="422" alt="usl5p"></a>
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</table>
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<hr>
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<h3 id="history"><strong>History</strong></h3>
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<p>
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OpenBSD/landisk is the 1st OpenBSD port to a
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<a href="http://www.renesas.com">Hitachi/Renesas</a> SH-4 based machine.
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It is hoped that other SH-4 based machines will show up which are
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interesting enough for our user and development community, but the SH-4
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processor is normally used only in true embedded products.
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<p>
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This processor architecture is the first 32-bit successor of a series
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of extremely bizarre 8 and 16 bit processors by Hitachi. It has a
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very strange instruction set and MMU, and developers find it quite a
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challenge to map their knowledge of Unix low-level ideas to the
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processor architecture.
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<h3 id="status"><strong>Current status</strong></h3>
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<p>
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Hardware support is mostly complete and quite stable.
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<h3 id="hardware"><strong>Supported hardware</strong></h3>
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<p>
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For a complete system component and device driver listing for this architecture, see <a href="https://man.openbsd.org/landisk/intro.4">intro(4/landisk)</a>.
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<ul>
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<li>HITACHI SH4 SH7751R processor at 266MHz.
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<li>64MB of ram.
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<li><a href="https://man.openbsd.org/re.4">re(4)</a> 100Mbit ethernet.
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<li><a href="https://man.openbsd.org/wdc.4">wdc(4)</a> drive controller connected to either flash or microdrive in a CF socket, on some models.
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<li><a href="https://man.openbsd.org/pciide.4">pciide(4)</a> IDE drive controller supporting <a href="https://man.openbsd.org/wd.4">wd(4)</a>, on some models.
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<li><a href="https://man.openbsd.org/com.4">com(4)</a> serial port console at 9600 baud (lacking hardware flow control).
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<li><a href="https://man.openbsd.org/ehci.4">ehci(4)</a> and <a href="https://man.openbsd.org/ohci.4">ohci(4)</a> USB controllers supporting most <a href="https://man.openbsd.org/usb.4">usb(4)</a> devices.
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<li><a href="https://man.openbsd.org/landisk/power.4">power(4)</a> button and some LEDs.
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</ul>
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<h3 id="install">
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<strong>Getting and installing</strong>
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</h3>
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<p>
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The latest supported OpenBSD/landisk release is
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<a href="73.html">OpenBSD 7.3</a>.
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Here are the
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<a href="https://ftp.openbsd.org/pub/OpenBSD/7.3/landisk/INSTALL.landisk">
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OpenBSD/landisk installation instructions</a>.
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<p>
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Snapshots are made available from time to time, in
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<a href="https://cdn.openbsd.org/pub/OpenBSD/snapshots/landisk">this location</a>
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as well as on a few
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<a href="ftp.html">mirrors</a>.
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Here are the
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<a href="https://ftp.openbsd.org/pub/OpenBSD/snapshots/landisk/INSTALL.landisk">
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OpenBSD/landisk snapshot installation instructions</a> as well.
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<img height=274 width=410 src="images/usl5p-serial.gif" alt="usl5p serial"
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style="float: right">
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<h3 id="serial">
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<strong>Serial cable connection</strong>
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</h3>
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All of these machines require a special serial cable which does
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voltage conversion, and can hopefully be purchased along with the
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card. This cable normally contains a little max232 or similar chip
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which converts from the 3.3V signals to +/-12V. The IO-DATA cable
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has pins which can grip the inside of the holes. Or you can attempt
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to build your own using
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<a href="http://www.mizore.jp/wiki/index.php?LANDISK%2Fserial-console">
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some Japanese instructions</a>.
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<p>
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The IO-DATA cable converts from a DB9 connector to a 5-pin header
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(3.3V Tx Rx GND NC). Note that the Rx and Tx pins on the board are
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<b>swapped</b> compared to the ARM-based machines made by IO-DATA.
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All the board models have a 5-pin connector (called CN7) which the cable
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can plug into -- except for the USL-5P which has a 4-pin header (thus
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requiring removal of the spare pin).
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<p>
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A USL-5P is shown with a modified IO-DATA cable. In this case the cable
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has been shortened significantly and the DB9 connector is glued into a slot
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carefully cut into the plastic between the ethernet and a USB port.
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