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    1: [[!meta title="NetBSD/hp300 Frequently Asked Questions"]]
    2: 
    3: [[!toc startlevel=1 levels=2]]
    4: 
    5: * * * * *
    6: 
    7: # General Questions
    8: 
    9: ## My screen went black after some initial bootrom messages
   10: 
   11: This means your framebuffer is not supported. Hook up a serial terminal,
   12: 9600 bps, 8 bits, no parity, 1 stop bit, xon/xoff flow control.
   13: 
   14: Contact <mailto:port-hp300@NetBSD.org> if you'd like to work on
   15: writing a driver for your framebuffer.
   16: 
   17: ## Can NetBSD/hp300 boot across the network?
   18: 
   19: HP 9000/300-series workstations support network booting with Boot ROM
   20: Revision B or later. (This includes any Boot ROM with a numeric
   21: revision). The HP Boot ROM uses the **HP Remote Maintainance Protocol**
   22: to download the boot code from the server. The server must run a daemon
   23: capable of responding to HP RMP boot requests. If your server runs
   24: NetBSD, it has
   25: *[rbootd(8)](http://netbsd.gw.com/cgi-bin/man-cgi?rbootd+8)*
   26: in the base system. If your server runs another OS, like Linux or
   27: Solaris, you can try [YAMAMORI Takenori's *sun-rbootd*
   28: package](http://www15.big.or.jp/~yamamori/sun/netbsd-hp_e.html).
   29: 
   30: To set up your NetBSD/hp300 workstation, follow the
   31: *[diskless(8)](http://netbsd.gw.com/cgi-bin/man-cgi?diskless+8)*
   32: man page. For more detailed instructions, see the [Diskless
   33: HOW-TO](http://www.NetBSD.org/docs/network/netboot/) and its
   34: [Setting up the rbootd server section](http://www.NetBSD.org/docs/network/netboot/rbootd/).
   35: 
   36: ## How can I change Ethernet media types on 4xx models?
   37: 
   38: Series 400 machines have two Ethernet media types built into the
   39: motherboard. You may only use one at a time. When your Series 400
   40: workstation goes through the self-test when powered on or rebooted, it
   41: will say one of the following:
   42: 
   43: [[!template id=programlisting text="""
   44: HP98643 (LAN) at 21, AUI
   45: HP98643 (LAN) at 21, Thin
   46: """]]
   47: 
   48: If the wrong type of network is selected, you will need to change the
   49: Ethernet port. You will need to open the case (4XXt, 4XXdl, 4XXe) or
   50: remove the motherboard (4XXs) to access the jumper. Be sure to use
   51: static-prevention measures, as you could easily fry your motherboard
   52: from carelessness. If you are uncomfortable with this, ask a friend who
   53: is aware of these issues. There is a block of 8 jumpers at the rear of
   54: the motherboard, labeled AUI/Thin. You will need to put the jumpers in
   55: the position necessary for your type of Ethernet.
   56: 
   57: ## What `TERM` type is needed for the console?
   58: 
   59: If you're using a local console on NetBSD 5.x or prior, and you're
   60: running csh or tcsh, you'll need to make sure you run:
   61: 
   62: [[!template id=programlisting text="""
   63: setenv TERM hp300h
   64: """]]
   65: 
   66: Otherwise many things won't work, including vi.
   67: 
   68: On NetBSD -current with wscons support (including future 6.0 and later
   69: releases), use `wsvt25` for `TERM` environment variable as
   70: other wscons ports.
   71: 
   72: ## What is the situation with X11 on the hp300?
   73: 
   74: NetBSD 5.x includes all X11R6 clients, but there is no functional
   75: server.
   76: 
   77: NetBSD 6.0 (and later releases) will have Xorg server based on generic
   78: wsfb driver.
   79: 
   80: ## Models 345 and 425e having problems with internal hard drives
   81: 
   82: The SCSI cable in these models is **not** notched to specify which way
   83: it should be plugged in. The symptom is being unable to boot due to a
   84: SCSI register test failing. If you are *certain* that your hard drive
   85: works properly on another machine, then flip one end of the SCSI cable
   86: over.
   87: 
   88: The only other models that accept internal hard drives are the 362, 382,
   89: 4XXt, and 4XXs which do not have this uncertainty in cabling.
   90: 
   91: ## What are the Model 362 and 382?
   92: 
   93: These models were designed as instrument controllers, unlike the rest of
   94: the Series 300 and Series 400 systems which were intended as
   95: workstations or servers. The 362 and 382 are 19" rackmount units with
   96: very PC-like properties.
   97: 
   98: They have 72 pin SIMM slots (with parity on 362, with ECC on 382), two
   99: SCSI drive bays (usually HD and SCSI floppy), serial, parallel (not
  100: currently supported by NetBSD), HPIB, sound, HP-HIL, one DIO-I slot, and
  101: a VGA-style video connector. The 362 has 2 SIMM slots and you can
  102: install SIMMs one at a time. The 382 has 4 SIMM slots and you must
  103: install in pairs. Both models accept only 1, 4, and 8 MB SIMMs.
  104: 
  105: 382 has three serial ports using the Utility Chip like the Series 400
  106: models. Only one is accessible unless you build or buy the [special
  107: cable](#serialsplit).
  108: 
  109: 362 has only 640x480 8bpp VGA like graphics chip. 382 was shipped with
  110: three different graphics chipsets (all 8 bpp): 640x480 at 60 Hz,
  111: 1024x768 at 75 Hz, and 1280x1024 at 72 Hz. These on-board graphics are
  112: not supported by NetBSD 5.x and prior, but you can install a DIO-I
  113: framebuffer and disable the on-board video (there's a jumper on the
  114: motherboard).
  115: 
  116: Since the system was designed as a controller, Ethernet and external
  117: SCSI are optional and are in the form of a small card that plugs into
  118: the motherboard. The card is roughly the size of two PCMCIA cards
  119: stacked together. You can, of course, use a DIO-I Ethernet card.
  120: 
  121: Oddly, the motherboard is the same shape and size as a DIO-II card and
  122: has DIO-II connectors. Jarkko Teppo reports that you can even put the
  123: motherboard into a normal DIO-II chassis and use it as a "normal" Series
  124: 300 system. The only problem he encountered was the physical size of the
  125: Ethernet option. See [Jarkko Teppo's
  126: report](http://mail-index.NetBSD.org/port-hp300/1999/07/16/0000.html)
  127: for more info.
  128: 
  129: ## What does 'UNEXPECTED USE OF FFFFFFC4' mean?
  130: 
  131: This is the output of one of a set of temporary, informational only,
  132: exception handlers installed by the Boot ROM before an OS has been
  133: loaded. The address printed varies depending on the type of exception.
  134: The most likely cause here is trying to boot a kernel that is
  135: incompatible with the hardware. You will get something like this, for
  136: example, if you attempt to boot an HP-UX 7.0 or earlier kernel on a
  137: 68040 machine (which requires at least 7.05). If you're going to install
  138: NetBSD, you probably don't need to worry about this message, though it
  139: is possible (but unlikely) that it indicates hardware trouble or a
  140: corrupt bootloader.
  141: 
  142: * * * * *
  143: 
  144: # Boot ROM Information
  145: 
  146: ## What commands does the HP Boot ROM understand?
  147: 
  148: All the early hp300 Boot ROMs are very primitive and only allow a few
  149: simple operations. You can only interact with it after it is first
  150: powered on -- if you reboot the machine, it will ignore anything you
  151: type and start loading the same OS you previously booted.
  152: 
  153: At any time after it recognizes the keyboard, while it is doing its self
  154: test or searching for a bootable system, you can hit `reset` to
  155: return it to a cold-boot configuration. On HIL keyboards, this is
  156: `<control>-<shift>-break`, where `break` is the key in the
  157: upper left (where escape is on sane keyboards). There is no equivalent
  158: over serial terminal -- you'll need to power-cycle your machine.
  159: 
  160: After it beeps (i.e. recognizes the HIL keyboard), press
  161: `<return>` twice to get the list of bootable devices. To perform
  162: simple hardware checks, hit `<control>-C` before it starts
  163: booting an OS. You can then type `T` to perform an extended self
  164: test or `L` to perform the extended self test infinitely until it
  165: finds a fatal error or `L` is typed again.
  166: 
  167: The newer HP Boot ROM, present on Series 400 machines and some of the
  168: later 300s (345, 362, 375, 380, 382, 385) is capable of a little bit
  169: more. To select which device to boot from, press `<return>` once,
  170: after it beeps twice (i.e. recognizes the HIL keyboard). To get to a
  171: configuration and test menu, press:
  172: 
  173: [[!template id=programlisting text="""
  174:  C &lt;return&gt;
  175: """]]
  176: 
  177: This will allow you to configure interrupt levels, select codes, and
  178: serial console properties. You can also hit `<control>-C` to get
  179: to a menu of extended tests with several fancy options.
  180: 
  181: For more information, Michael Wolfson has scanned in parts of the [HP
  182: Apollo 9000 Series 400 HP-UX Owner's
  183: Guide](http://www.nosflow.com/~mw/hp300/400.manual/), which has some
  184: good information on this topic. Also, the [HP Computer
  185: Museum](http://www.hpmuseum.net/index.php) has various useful manuals
  186: and informations for many HP 9000 models.
  187: 
  188: ## What order does the Boot ROM use to search for bootable devices?
  189: 
  190: From the *Configuration Reference Manual*, 98561-90020:
  191: 
  192: **Revision A Boot ROM Specifications**
  193: 
  194: The boot ROM can load a ROM system or a file from a LIF or SRM "SYSTEM"
  195: type file having a name of the form SYSa, where "a" is typically an
  196: ASCII letter, but may be any character legal in a file name.
  197: 
  198: ROM systems are assigned a single letter ID (only "B", for BASIC, is
  199: presently supported on Series 300).
  200: 
  201: All system files found are assigned an ID of the form "nna", where "a"
  202: is either the same letter "a" mentioned above (if an ASCII letter), or
  203: "Z" (if not an ASCII letter). "nn" is a number of the form " 1" to "99"
  204: denoting the order of occurrence of systems which result in the same ID
  205: letter "a". The range of system IDs is " 1A" to "99Z".
  206: 
  207: The boot ROM loads the first system found unless characters (other than
  208: that system's ID) are typed on the boot control keyboard (see below).
  209: The search order used by the boot ROM is:
  210: 
  211: -   For select codes 7 thru 31: disc or tape (HPIB) at bus address 0,
  212:     unit 0, volume 0
  213: 
  214: -   SRM at select code 21, node 0, volume 8, "/SYSTEMS" directory
  215: 
  216: -   98259A Bubble system at select code 30
  217: 
  218: -   98255 EPROM "disc"-type system at unit 0 (lowest address of all
  219:     98255s installed)
  220: 
  221: -   ROM systems (from lowest to highest ROM address)
  222: 
  223: -   For select codes 0 thru 31, bus addresses 0 to 7, units 0 to 16,
  224:     volumes 0 to 7: all remaining discs or tapes (HPIB)
  225: 
  226: -   For select codes 0 thru 31, nodes 1 thru 62, volumes 1 to 50: any
  227:     other SRM system files in "/SYSTEMS" directories
  228: 
  229: -   For select codes 0 thru 29, and 31: remaining 98255 Bubble systems
  230: 
  231: -   Remaining 98255 "disc"-type EPROM units.
  232: 
  233: Revision B and later also support booting over the network, using a
  234: 98643 card or built-in Ethernet. For older systems, the best choice is
  235: to make your boot drive on HPIB at address 0. Remember, you'll need to
  236: capitalize the letters.
  237: 
  238: **Newer Boot ROM Search Order**
  239: 
  240: The newer machines (Models 345, 362, 375, 380, 382, 385, and Series 400)
  241: have a different boot order. From *HP Apollo 9000 Series 400 HP-UX
  242: Owner's Guide*, A1630-90006:
  243: 
  244: > The Scan for Systems selection searches mass storage devices for an
  245: > operating system to boot. The first mass storage device found with an
  246: > HP-UX Compatible operating system on it boots. Mass storage devices
  247: > are searched by the priority shown in this table.
  248: 
  249: [[!table data="""
  250: Priority Level	|Device		|Select Code	|Bus Address	|Unit Number
  251: 1		|SCSI		|0-31		|7-5		|0
  252: 2		|HP-IB		|0-31		|7-5		|0
  253: 3		|SRM		|14		|N/A		|N/A
  254: 4		|LAN		|21		|N/A		|N/A
  255: 5		|Bubble RAM	|30		|N/A		|N/A
  256: 6		|EEPROM		|N/A		|N/A		|0
  257: 7		|SCSI		|0-31		|4-0		|0
  258: 8		|HP-IB		|0-31		|4-0		|0
  259: 9		|SRM		|Other than 14	|N/A		|N/A
  260: 10		|LAN		|Other than 21	|N/A		|N/A
  261: 11		|Bubble RAM	|Other than 30	|N/A		|N/A
  262: 12		|EEPROM		|Other than 0	|N/A		|0
  263: """]]
  264: 
  265: So, for these newer systems, your best bet is to make your boot drive a
  266: SCSI drive at address 6 (7 is the system controller on the motherboard).
  267: 
  268: It is also possible to configure the Boot ROM to default to a specific
  269: device from the configuration menu.
  270: 
  271: ## Switching your Series 400 machine from Domain to "HP-UX Compatible Boot Mode"<a name="domaintohpux"></a>
  272: 
  273: This step is necessary, since NetBSD can only boot a Series 400 machine
  274: when it's set up in "HP-UX Compatible Boot Mode". If, when you power on
  275: your machine, it does **not** present a menu as follows, then you need
  276: to follow the instructions below:
  277: 
  278: [[!template id=programlisting text="""
  279: Copyright 1990,                         
  280: Hewlett-Packard Company.                
  281: All Rights Reserved.                    
  282:                                         
  283: BOOTROM  Series 400  Rev. 1.1           
  284: MD12 REV 1.2 1990/08/07.14:27:08        
  285: MC68030 Processor                       
  286: MC68882 Coprocessor                     
  287: Configuration EEPROM                    
  288: Utility Chip at 41                      
  289: HP-HIL.Keyboard
  290: [...]
  291: """]]
  292: 
  293: First, you'll need either a Domain keyboard or a HIL keyboard (the Boot
  294: ROM knows how to use either, even if NetBSD doesn't yet). Now, put your
  295: machine into "service mode". For a 4XXs, there's a toggle switch on the
  296: back of the machine (near the top). For a 4XXt or 4XXdl, there's a green
  297: button on the front, behind the silly door. For a 425e, there's a toggle
  298: switch on the back of the machine (in the middle). Once you're in
  299: "service mode", the other green LED will light up. Reset the machine.
  300: You may then need to hit return to get the Domain boot prompt. At that
  301: prompt, you can type `H` to get a list of available commands. You
  302: need to type the following things to convert to HP-UX mode:
  303: 
  304: [[!template id=programlisting text="""
  305: CF
  306: 2
  307: 2
  308: P
  309: E
  310: """]]
  311: 
  312: [[This|domain.commands]] is the full procedure captured from a
  313: serial console.
  314: 
  315: Be sure to turn **off** "service mode" when you're done. I found it
  316: prevented me from selecting which device I wanted to boot from.
  317: 
  318: ## Where could I get a more recent Boot ROM for my 400s or 400t?
  319: 
  320: Michael Wolfson has images of the HP 425/433 Boot ROM in HP-UX mode.
  321: This is necessary when upgrading a 400 to a 425/433
  322: 
  323: See [The fatmac HP9000/300
  324: guide](http://www.nosflow.com/~mw/hp300/upgrade/) for instructions on
  325: upgrading.
  326: 
  327: * * * * *
  328: 
  329: # Serial Port Information
  330: 
  331: ## What are the different types of serial ports, and how do I access them?
  332: 
  333: NetBSD -current has switched to using the
  334: [com(4)](http://netbsd.gw.com/cgi-bin/man-cgi?com+4)
  335: driver for [dca](http://man.NetBSD.org/man/dca+4.hp300+NetBSD-1.6) and
  336: [apci](http://man.NetBSD.org/man/apci+4.hp300+NetBSD-1.6) devices. This
  337: covers all built-in serial ports and some DIO serial interfaces. With
  338: this change, the device files have changed. All DCA and APCI serial
  339: ports are `/dev/ttyC[0123]` and all DCM serial ports are
  340: `/dev/ttyM[0123]`.
  341: 
  342: The APCI device (found on-board Series 400 systems) is a four-port
  343: serial mux interface. The first port connects directly with the Domain
  344: keyboard. The second port is accessible using normal DB25 pinouts and
  345: acts as the serial console (when set). The remaining two ports require
  346: use of a break-out cable.
  347: 
  348: Additionally, see the [NetBSD Serial Port
  349: Primer](http://www.NetBSD.org/docs/Hardware/Misc/serial.html) for
  350: information on the wiring and pinouts of various serial cables.
  351: 
  352: [[!table data="""
  353: *device name*	|*location*	|*pre-2.0 device file*	|*max speed*	|*hardware handshaking*	|*FIFO*		|*serial console*	|*comments*
  354: [com](http://man.NetBSD.org/man/com+4.hp300)0 *(formerly `dca0`)*	|built-in	|/dev/tty0	|19200		|no	|no	|DIP switches	|318, 319, 320, 330, 340, 350, 360, 370<br /><br />located on Human/System Interface board, requires [[dca.cable|special bable]])
  355: [com](http://man.NetBSD.org/man/com+4.hp300)0 *(formerly `dca0`)*	|built-in	|/dev/tty0	|38400	|yes	|yes	|config Boot ROM	|345, 362, 375, 380, 382, 385, 400 Series *(except 425e)*<br /><br />located on motherboard
  356: [com](http://man.NetBSD.org/man/com+4.hp300)1 [com](http://man.NetBSD.org/man/com+4.hp300)2 *(formerly `apciN`)*	|built-in	|/dev/ttya0 /dev/ttya1	|19200	|yes	|no	|no, (425e: yes)	|382, 400 Series<br />requires [[break-out cable|serial.splitter]]
  357: [com](http://man.NetBSD.org/man/com+4.hp300)N *(formerly `dcaN`)*	|98644A DIO-I card	|/dev/ttyN	|19200	|yes	|no	|DIP switches	|hardware handshaking only for transmit
  358: [com](http://man.NetBSD.org/man/com+4.hp300)N<br />*(formerly `dcaN`{)*	|98626A DIO-I card	|/dev/ttyN	|19200	|yes	|no	|DIP switches	|hardware handshaking only for transmit
  359: [dcm](http://man.NetBSD.org/man/dcm+4.hp300)N	|98642A DIO-I card	|/dev/tty0[0-3]		|19200		|yes	|yes, 128/16 bytes	|DIP switches	|Only port 0 has flow control, only port 1 does console Uses<br />[RJ-11](dcmpinouts.html) jacks
  360: [dcm](http://man.NetBSD.org/man/dcm+4.hp300+NetBSD-current)N [dcm](http://man.NetBSD.org/man/dcm+4.hp300+NetBSD-current)N+1	|98638 DIO-II card	|/dev/tty0[0-3], /dev/tty0[4-7]	|19200	|yes	|yes, 127/16 bytes	|no	|Appears to kernel as two 98642 boards
  361: [dcl](http://man.NetBSD.org/man/dcl+4.hp300+NetBSD-current)N, *(not supported)*	|98628A DIO-I card	|/dev/ttyN	|19200	|yes	|yes, 25 bytes	|jumper	|weird centronics connector goes to normal db25
  362: """]]
  363: 
  364: ## Setting up a serial console on a 98561, 98562, 98626, 98628, 98642, or 98644
  365: 
  366: Turn off power to your system before removing any cards. Remove the card
  367: with the serial interface.
  368: 
  369: -   **`98561-66530`** (Human Interface)
  370: 
  371:     Locate the bank of 4 DIP switches, One of them should be labeled
  372:     REM, Set the switch to ?
  373: 
  374: -   **`98562`** (System Interface)
  375: 
  376:     Locate the middle bank of DIP switches (4 switches), The third
  377:     switch is labeled REM, Set the switch to one (depress the end
  378:     labeled one), *Note: you need a [[special cable|dca.cable]]*
  379: 
  380: -   **`98626`** (dca)
  381: 
  382:     Locate the jumper by the two banks of DIP switches, Remove the
  383:     jumper
  384: 
  385: -   **`98628`** (dcl)
  386: 
  387:     Locate the bank of DIP switches by the card-edge connector, The last
  388:     switch (labeled 7) is the remote switch, Set the switch to zero
  389:     (depress the end labeled zero)
  390: 
  391: -   **`98642`** (dcm)
  392: 
  393:     Locate the 8 DIP switches, The first switch (labeled 1) is the
  394:     remote switch, Set the switch to one (slide the bump to one). *Note:
  395:     According to the manual, the Boot ROM on older machines does not
  396:     know how to use this for console, but NetBSD (and HP-UX) will, so
  397:     you won't see anything until the bootloader loads.*
  398: 
  399: -   **`98644`** (dca)
  400: 
  401:     Locate the 10 DIP switches, The last switch (labeled 1) is the
  402:     remote switch. Set the switch to one (depress the end labeled one)
  403: 
  404: Now, reinsert the card and power on your machine. All console messages
  405: will be sent over the serial port at 9600 bps, 8 bits, no parity, 1 stop
  406: bit. Theoretically, you should be using a null-modem cable, but I found
  407: that for my 98562, I needed a non-null modem cable.
  408: 
  409: ## Setting up serial console on a Model 340
  410: 
  411: Turn off power to your system. There are four DIP switches visible
  412: through the rear panel, flip the third switch from the left to one. Turn
  413: on your system.
  414: 
  415: Now, all console messages will be sent over the serial port at 9600 bps,
  416: 8 bits, no parity, 1 stop bit.
  417: 
  418: ## Setting up serial console on a Series 400 machine or a 345, 362, 375, 380, 382, or 385<a name="serial400"></a>
  419: 
  420: This procedure does not work on the 425e, since it does not support
  421: serial console in the Boot ROM.
  422: 
  423: Wait until your system beeps twice (this is to let you know it's
  424: recognized the keyboard). Type `C<return>` and wait until the
  425: configuration menu shows up. Then type in the following set of commands:
  426: 
  427: [[!template id=programlisting text="""
  428: 1
  429: 5
  430: 3
  431: R
  432: X
  433: N
  434: """]]
  435: 
  436: [[This|serialconsole]] is the full procedure captured from a serial
  437: console on my 400s. [[This|serialconsole380]] is the procedure
  438: captured from a serial console on Ian Clark's 380 (and should be the
  439: same on any 345, 362 375, 380, 382, or 385). The number you type for
  440: selecting the serial settings in the menu might be different on 362 or
  441: 382 models without the optional Ethernet.
  442: 
  443: Now, your machine will reset and then send all console messages over the
  444: serial port at 9600 bps, 8 bits, no parity, 1 stop bit. Use a null-modem
  445: cable.
  446: 
  447: If you want to convert from serial console to monitor/keyboard console,
  448: follow the same procedure, except type `L` instead of `R`.
  449: 
  450: You may also *temporarily* override this setting by typing
  451: `L<return>` or `R<return>` after your system beeps twice
  452: and recognizes the keyboard. This will work even if you have a Domain
  453: keyboard.
  454: 
  455: Since the hardware takes care of this console, you do **not** add an
  456: entry for the console in `/etc/ttys`. That would be bad.
  457: 
  458: ## How do I build the cable to get at the hidden serial ports on a Series 400 machine? <a name="serialsplit"></a>
  459: 
  460: Build the funky [[cable|serial.splitter]]. Otherwise, just using a
  461: normal DB25 serial cable will work fine if you only want one serial
  462: port.
  463: 
  464: ## Does my System Interface Board really need a special DB9 serial cable?
  465: 
  466: Yes. A normal DB9<->DB25 adaptor will *not* work. This cable is HP
  467: part number [[98561-61604|dca.cable]].
  468: 
  469: * * * * *
  470: 
  471: # Other sources of information
  472: 
  473: ## Other sources of information
  474: 
  475: -   [HP9000/300 hardware
  476:     FAQ](http://www.nosflow.com/~mw/hp300/FAQ/rossspon/hp300faq.htm) -
  477:     maintained by Ross Sponholtz.
  478: 
  479: -   [The fatmac HP9000/300 guide](http://www.nosflow.com/~mw/hp300/) -
  480:     made available by Michael Wolfson
  481: 
  482: -   [hp300 series HW brain dump by Mike
  483:     Hibler](http://mail-index.NetBSD.org/port-hp300/1994/12/15/0007.html)
  484: 
  485: -   [HP Computer Museum](http://www.hpmuseum.net/index.php)
  486: 
  487: -   [Diskless NetBSD HOW-TO](http://www.NetBSD.org/docs/network/netboot/)
  488: 
  489: -   [NetBSD Serial Port Primer](http://www.NetBSD.org/docs/Hardware/Misc/serial.html)
  490: 
  491: -   [port-hp300 mail list](http://www.NetBSD.org/mailinglists/#port-hp300) - if you have
  492:     any additional questions please subscribe.
  493: 
  494: -   [General NetBSD Documentation](http://www.NetBSD.org/docs/) - questions not specific
  495:     to NetBSD/hp300.

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