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OpenBSD/hp300 FAQ

How do I change the hp400 boot ROM mode from Domain/OS to HP-UX? !
Remove the Domain keyboard, replacing it with a HIL model. ! Press the service switch on the front panel; the LED will light, ! then press the reset switch on the back of the machine. ! The system should then boot into MD mode, and display a > ! prompt. If the prompt does not display, try pressing return a few ! times; when the prompt appears, type hp and press return. ! Your system should then reset and display the HP-UX style ROM messages. !
How do I change the hp400 boot ROM mode from HP-UX to Domain/OS? !
You may want to seek professional psychological help. !
How do I set the serial port to be the console on a 300-series machine? !
For anything before the hp380, you need to set the remote bit ! on the motherboard or serial card; settings are different for every model ! and beyond the scope of this document. For the hp380 and above (including ! the 400 series), simply press the space bar during the ROM configuration ! so that the boot menu appears; at the prompt type C and press ! return. The configuration menu will appear, from where you can ! put the serial port into remote mode.

! This document is under development and will continue to be revised. !

www@openbsd.org
! $OpenBSD: hp300faq.html,v 1.5 1998/06/19 15:06:31 pauls Exp $ --- 7,604 ---- ! Here are some frequently asked questions (and answers) specific ! to OpenBSD/hp300. +

OpenBSD/hp300 Frequently Asked Questions

Can OpenBSD/hp300 boot across the network?
What TERM type is needed for the console?
What is the situation with X11 on the hp300?
What does 'UNEXPECTED USE OF FFFFFFC4' mean?
When will HP stop supporting the hp300/400?

Boot ROM Information

What commands does the HP Boot ROM understand?
What order does the Boot ROM use to search for bootable devices?
Switching your Series 400 machine from Domain to "HP-UX Compatible Boot Mode"
Where could I get a more recent Boot ROM for my 400s or 400t?

Serial Port Information

What are the different types of serial ports, and how do I access them?
Setting up a serial console on a 98561, 98562, 98626, 98628, 98642, or 98644
Setting up serial console on a Model 340
Setting up serial console on a Series 400 machine or a 345,375, 380, 382, or 385
How do I build the cable to get at the hidden serial ports on a Series 400 machine?

+ + +

Other sources of information

HP9000/300 + hardware FAQ - maintained by Ross Sponholtz. +
The fatmac HP9000/300 + guide - made available by Michael Wolfson +
General OpenBSD FAQ + - questions not specific to OpenBSD/hp300. +

OpenBSD/hp300 Frequently Asked Questions

+ Can OpenBSD/hp300 boot across the network? + (top) +: + HP 9000/300-series workstations support network booting with + Boot ROM Revision B or later. (This includes any Boot ROM with a numeric + revision). The HP Boot ROM uses the + HP Remote Maintainance Protocol to download the boot code + from the server. The server must run a daemon capable of responding + to HP RMP boot requests, rbootd(8).
+ To set up your OpenBSD/hp300 workstation, follow the + diskless(8) man page. +

+ What TERM type is needed for the console? + (top) +

+ If you're using a local console, and you're running csh or tcsh, you'll + need to make sure you run: +

setenv TERM hp300h

+ Otherwise many things won't work, including vi. + +

+ What is the situation with X11 on the hp300? + (top) +: + We currently have all X11R6 clients, with an X11R5 server. + The standard OpenBSD distribution includes an old BSD 4.4 Xserver which is + buggy and slow. If you wish to instead use the HP-UX 9.10 X11R5 + server, + Michael Wolfson has more + details. + +

+ What does 'UNEXPECTED USE OF FFFFFFC4' mean? + (top) +: + This is the output of one of a set of temporary, informational only, + exception handlers installed by the Boot ROM before an OS has been loaded. + The address printed varies depending on the type of exception. + The most likely cause here is trying to boot a kernel that is incompatible + with the hardware. You will get something like this, for example, if you + attempt to boot an HP-UX 7.0 or earlier kernel on a 68040 machine + (which requires at least 7.05). If you're going to install OpenBSD, you + probably don't need to worry about this message, though it is possible (but + unlikely) that it indicates hardware trouble or a corrupt bootloader. + +

+ When will HP stop supporting the hp300/400? + (top) +: + Motorola 68K-based + HP-UX entered 'support-life' on October 1, 1997 and will continue until + October 1, 2002, while 'support-life' began for + HP/Apollo Domain + on March 1, 1997, and will continue until January 1, 2001. There's a + brief page on HP's + website about this. HP still sells + + HP-UX 9.10 under the guise of a Y2K upgrade kit. +
+ Anyone can + browse or download patches from HP's site without requiring a support + contract. (Not that any of this matters to OpenBSD/hp300 users of course) + +

Boot ROM Information

+ What commands does the HP Boot ROM understand? + (top) +

+ All the early hp300 Boot ROMs are very primitive and only allow a few + simple operations. You can only interact with it after it is first + powered on -- if you reboot the machine, it will ignore anything you type + and start loading the same OS you previously booted. +

+ At any time after it recognizes the keyboard, while it is doing its self + test or searching for a + bootable system, you can hit reset to return it to a cold-boot + configuration. On HIL keybaords, this is + <control>-<shift>-break, + where break is the key in the upper left (where escape is on sane + keyboards). There is no equivalent over serial terminal -- you'll need to + power-cycle your machine. +

+ After it beeps (i.e. recognizes the HIL keyboard), press + <return> twice to get the list of bootable devices. + To perform simple hardware checks, hit <control>-C before + it starts booting an OS. You can then type T to perform an + extended self test or L to perform the extended self test + infinitely until it finds a fatal error or L is typed again. +

+ The newer HP Boot ROM, present on Series 400 machines and some of + the later 300s (345, 375, 380, 382, 385) is capable of a little bit more. + To select which device to boot from, press <return> once, + after it + beeps twice (i.e. recognizes the HIL keyboard). To get to a configuration + and test menu, press: +

+    C <return>
+

+ This will allow you to configure interrupt levels, select codes, and + serial console properties. You can also hit <control>-C to + get to a menu of extended tests with several fancy options. +

+ For more information, Michael Wolfson has scanned in parts of the + HP Apollo 9000 + Series 400 HP-UX Owner's Guide, which has some good + information on this topic. +

+ + +

+ What order does the Boot ROM use to search for bootable devices? + (top) +

+ From the Configuration Reference Manual, 98561-90020: +

Revision A Boot ROM Specifications

+ The boot ROM can load a ROM system or a file from a LIF or SRM + "SYSTEM" type file having a name of the form SYSa, where "a" is typically + an ASCII letter, but may be any character legal in a file name. +

+ ROM systems are assigned a single letter ID (only "B", for BASIC, is + presently supported on Series 300). +

+ All system files found are assigned an ID of the form "nna", where "a" is + either the same letter "a" mentioned above (if an ASCII letter), or "Z" + (if not an ASCII letter). "nn" is a number of the form " 1" to "99" + denoting the order of occurence of systems which result in the same ID + letter "a". The range of system IDs is " 1A" to "99Z". +

+ The boot ROM loads the first system found unless characters (other than + that system's ID) are typed on the boot control keyboard (see below). The + search order used by the boot ROM is: +

For select codes 7 thru 31: disc or tape (HPIB) at bus address 0, + unit 0, volume 0 +
SRM at select code 21, node 0, volume 8, "/SYSTEMS" directory +
98259A Bubble system at select code 30 +
98255 EPROM "disc"-type system at unit 0 (lowest address of all 98255s installed) +
ROM systems (from lowest to highest ROM address) +
For select codes 0 thru 31, bus addresses 0 to 7, units 0 to 16, + volumes 0 to 7: all remaining discs or tapes (HPIB) +
For select codes 0 thru 31, nodes 1 thru 62, volumes 1 to 50: any + other SRM system files in "/SYSTEMS" directories +
For select codes 0 thru 29, and 31: remaining 98255 Bubble systems +
Remaining 98255 "disc"-type EPROM units. +

+ + Revision B and later also support booting over the network, using a 98643 + card or built-in ethernet. + For older systems, the best choice is to make your boot drive on HPIB at + address 0. Remember, you'll need to capitalize the letters. +

Newer Boot ROM Search Order

+ The newer machines (Models 345, 375, 380, 382, 385, and Series 400) have a + different boot order. From HP Apollo 9000 Series 400 HP-UX Owner's + Guide, A1630-90006: +

+ The Scan for Systems selection searches mass storage devices for an + operating system to boot. The first mass storage device found with an + HP-UX Compatible operating system on it boots. Mass storage devices are + searched by the priority shown in this table. +

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
Priority Level Device Select Code Bus Address Unit Number
1 SCSI 0-31 7-5 0
2 HP-IB 0-31 7-5 0
3 SRM 14 N/A N/A
4 LAN 21 N/A N/A
5 Bubble RAM 30 N/A N/A
6 EEPROM N/A N/A 0
7 SCSI 0-31 4-0 0
8 HP-IB 0-31 4-0 0
9 SRM Other than 14 N/A N/A
10 LAN Other than 21 N/A N/A
11 Bubble RAM Other than 30 N/A N/A
12 EEPROM Other than 0 N/A 0
+

+ So, for these newer systems, your best bet is to make your boot drive a + SCSI drive at address 6 (7 is the system controller on the motherboard). +

+ It is also possible to configure the Boot ROM to default to a specific + device from the configuration menu. +

+ +

+ Switching your Series 400 machine from Domain to "HP-UX Compatible Boot Mode" + (top) +

+ This step is necessary, since OpenBSD can only + boot a Series 400 machine when it's set up in "HP-UX Compatible Boot + Mode". If, when you power on your machine, it does not present a + menu as follows, then you need to follow the instructions below: +

+ Copyright 1990,                         
+ Hewlett-Packard Company.                
+ All Rights Reserved.                    
+                                         
+ BOOTROM  Series 400  Rev. 1.1           
+ MD12 REV 1.2 1990/08/07.14:27:08        
+ MC68030 Processor                       
+ MC68882 Coprocessor                     
+ Configuration EEPROM                    
+ Utility Chip at 41                      
+ HP-HIL.Keyboard
+ [...]

+ + First, you'll need either a Domain keyboard or a HIL keyboard (the Boot + ROM knows how to use either, even if OpenBSD doesn't yet). + Now, put your machine into "service mode". For a 4XXs, there's a toggle + switch on the back of the machine (near the top). For a 4XXt or 4XXdl, + there's a green button on the front, behind the silly door. For a 425e, + there's a toggle switch on the back of the machine (in the middle). + Once you're in "service mode", the other + green LED will light up. Reset the machine. You may then need to hit + return to get the Domain boot prompt. At that prompt, you can type + H to get a list of available commands. You need to type + the following things to convert to HP-UX mode: + +

CF
+ 2
+ 2
+ P
+ E

+ This is the full procedure captured + from a serial console. +

+ Be sure to turn off "service mode" when you're done. I found it + prevented me from selecting which device I wanted to boot from. + +

+ Where could I get a more recent Boot ROM for my 400s or 400t? + (top) +: + Michael Wolfson has images of the HP 425/433 Boot ROM in HP-UX mode. + This is necessary when upgrading a 400 to a 425/433 +
+ See The fatmac + HP9000/300 guide for instructions on upgrading. + +

Serial Port Information

+ What are the different types of serial ports, and how do I access them? + (top) +

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

device name	location	device file	max speed	hardware handshaking	FIFO	serial console	comments
+ + dca0	built-in	/dev/tty0	19200	no	no	DIP switches non-null cable	for 318, 319, 320, 330, 340, 350, 360, 362, 370 located + on Human/System Interface board
+ + dca0	built-in	/dev/tty0	38400	yes	yes	config Boot ROM	for 345, 375, 380, 382, 385, 400 Series (except 425e) located on + motherboard
+ + dcaN	98644A DIO-I card	/dev/ttyN	19200	yes	no	DIP switches	hardware handshaking only for transmit
dcaN	98626A DIO-I card	/dev/ttyN	19200	yes	no	DIP switches	hardware handshaking only for transmit
+ + dclN	98628A DIO-I card	/dev/ttyN	19200	yes	yes 256 bytes	jumper	weird centronics connector goes to normal db25
apci0 apci1	built-in	/dev/ttya0 /dev/ttya1	19200	no	no	no	for 400 Series machines (except 425e), requires break-out cable
apci0 apci1 apci2	built-in	/dev/ttya0 /dev/ttya1 /dev/ttya2	19200	no	no	config Boot ROM	for 425e, apci0 supports serial console, apci1 and apci2 require + break-out cable
+ + dcmN	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 RJ-11 jacks
dcmN dcmN+1	98638 DIO-II card	/dev/tty0[0-3] /dev/tty[4-7]	19200	yes	yes 127/16 bytes	no	Appears to kernel as two 98642 boards

+ + +

+ Setting up a serial console on a 98561, 98562, 98626, 98628, 98642, or 98644 + (top) +

+ Turn off power to your system before removing any cards. Remove the + card with the serial interface. +

98561-66530 (Human Interface)
! Locate the bank of 4 DIP switches
! One of them should be labeled REM
! Set the switch to ?
!
98562 (System Interface)
! Locate the middle bank of DIP switches (4 switches)
! The third switch is labeled REM
! Set the switch to one (depress the end labeled one)
! Note: you need a non-null cable !
98626 (dca)
! Locate the jumper by the two banks of DIP switches
! Remove the jumper
!
98628 (dcl)
! Locate the bank of DIP switches by the card-edge connector
! The last switch (labeled 7) is the remote switch
! Set the switch to zero (depress the end labeled zero) !
98642 (dcm)
! Locate the 8 DIP switches
! The first switch (labeled 1) is the remote switch
! Set the switch to one (slide the bump to one)
! Note: According to the manual, the Boot ROM on older machines ! does not know how to use this for console, but OpenBSD (and HP-UX) ! will, so you won't see anything until the bootloader loads. !
98644 (dca)
! Locate the 10 DIP switches
! The last switch (labeled 1) is the remote switch
! Set the switch to one (depress the end labeled one)

! Now, reinsert the card and power on your machine. All console messages ! will be sent over the serial port at ! 9600 bps, 8 bits, no parity, 1 stop bit. Theoretically, you should be ! using a null-modem cable, but I found that for my 98562, I needed a ! non-null modem cable. + +

+ Setting up serial console on a Model 340 + (top) +: + Turn off power to your system
+ There are four DIP switches visible through the rear panel
+ Flip the third switch from the left to one
+ Turn on your system
! Now, all console messages will be sent over the serial port at 9600 bps, ! 8 bits, no parity, 1 stop bit. + +

+ Setting up serial console on a Series 400 machine or a 345,375, 380, 382, or 385 + (top) +

+ Wait until your system beeps twice (this is to let + you know it's + recognized the keyboard). Type C<return> and wait + until the configuration menu shows up. Then type in the following set of + commands: +

1
+ 5
+ 3
+ R
+ X
+ N

+ This is the full procedure captured from + a serial console on my 400s. It may be slightly different for the 300 + series machines (345, 375, 380, 382, 385). +

+ Now, your machine will reset and then send all console messages over the + serial port at + 9600 bps, 8 bits, no parity, 1 stop bit. Use a null-modem cable. +

+ If you want to convert from serial console to monitor/keyboard console, + follow the same procedure, except type L instead of + R. +

+ You may also temporarily override this setting by typing + L<return> or R<return> after + your system beeps twice and recognizes the keyboard. This will work even + if you have a Domain keyboard. + +

+ Since the hardware takes care of this console, you do not add an + entry for the console in /etc/ttys. That would be bad. + +

+ How do I build the cable to get at the hidden serial ports on a Series 400 machine? + (top) +: + + Build the funky cable. Otherwise, just + using a normal DB25 serial cable will work fine if you only want one + serial port. + + + +

+ +

www@openbsd.org
! $OpenBSD: hp300faq.html,v 1.6 1999/12/19 15:58:19 downsj Exp $ !

Priority Level	Device	Select Code	Bus Address	Unit Number
1	SCSI	0-31	7-5	0
2	HP-IB	0-31	7-5	0
3	SRM	14	N/A	N/A
4	LAN	21	N/A	N/A
5	Bubble RAM	30	N/A	N/A
6	EEPROM	N/A	N/A	0
7	SCSI	0-31	4-0	0
8	HP-IB	0-31	4-0	0
9	SRM	Other than 14	N/A	N/A
10	LAN	Other than 21	N/A	N/A
11	Bubble RAM	Other than 30	N/A	N/A
12	EEPROM	Other than 0	N/A	0

OpenBSD/hp300 FAQ

OpenBSD/hp300 Frequently Asked Questions

Boot ROM Information

Serial Port Information

Other sources of information

OpenBSD/hp300 Frequently Asked Questions

Can OpenBSD/hp300 boot across the network? + (top)

What TERM type is needed for the console? + (top)

What is the situation with X11 on the hp300? + (top)

What does 'UNEXPECTED USE OF FFFFFFC4' mean? + (top)

When will HP stop supporting the hp300/400? + (top)

Boot ROM Information

What commands does the HP Boot ROM understand? + (top)

What order does the Boot ROM use to search for bootable devices? + (top)

Revision A Boot ROM Specifications

Newer Boot ROM Search Order

Switching your Series 400 machine from Domain to "HP-UX Compatible Boot Mode" + (top)

Where could I get a more recent Boot ROM for my 400s or 400t? + (top)

Serial Port Information

What are the different types of serial ports, and how do I access them? + (top)

Setting up a serial console on a 98561, 98562, 98626, 98628, 98642, or 98644 + (top)

Setting up serial console on a Model 340 + (top)

Setting up serial console on a Series 400 machine or a 345,375, 380, 382, or 385 + (top)

How do I build the cable to get at the hidden serial ports on a Series 400 machine? + (top)

What `TERM` type is needed for the console? + (top)