diff options
-rw-r--r-- | distrib/notes/powerpc/contents | 55 | ||||
-rw-r--r-- | distrib/notes/powerpc/hardware | 33 |
2 files changed, 61 insertions, 27 deletions
diff --git a/distrib/notes/powerpc/contents b/distrib/notes/powerpc/contents index a6e81642dad..dc8428b1011 100644 --- a/distrib/notes/powerpc/contents +++ b/distrib/notes/powerpc/contents @@ -13,20 +13,57 @@ As well you may be interested in rawrite.exe, ntrw.exe, gzip.exe, and pfdisk.exe; see installation section, below. -For the imac systems, no floppy image is available, for now it -is necessary to bootstrap the system from an existing BSD or unix system. +There are several ways to boot a supported PowerPC Macintosh system into +the OpenBSD installer. Unfortunately they all currently require some +limited knowledge of Open Firmware commands. Examples are provided below +for common configurations. -At this time the bootloader and kernel must initally be loaded from -the network. To load the network bootloader and install kernel from -the openfirmware prompt type "boot enet:,ofwboot /bsd.rd". This -assumes that that a machine is configured with bootp/tftp/nfs to make -the kernel and bootloader available. +To access Open Firmware: +Upon booting, simultaneously hold down the Command, Option, O and F +keys until you are presented with a > prompt at which you can enter +commands, such as the "boot" command or others that allow you to view the +structure of the device tree. (cd /devalias, .properties) -To boot from CD, use "boot cd:,ofwboot /OSREV/powerpc/bsd.rd" +Typical boot commands can be used by entering them at the Open Firmware +prompt and pressing enter/return. + +To netboot from a pre-configured bootp/tftp/nfs server containing the +"ofwboot" and "bsd.rd" files at the root directory of the tftp server: + + boot enet:,ofwboot /bsd.rd + +To boot from a HFS formatted CD containing the "ofwboot", "bsd.rd" and all +other installation files at the root directory of the CD: + + boot cd:,ofwboot /OSREV/powerpc/bsd.rd + +Post-install, you will need to boot into OpenBSD from a hard drive, and +may need to reboot to Mac OS if you have it installed on another drive +connected to the system. Typical commands for this are as follows: + +To boot to an OpenBSD system installed on an ATA drive configured +as a slave and connected to the same bus as the CD/DVD drive on a Power +Macintosh G4 (Tower): + + boot ide1:,ofwboot /bsd + +To reboot to Mac OS: + + boot boot hd:,\\:tbxi + +Typically, substituting the device alias (devalias) will allow for easy to +understand device selection. Typical examples from a Power Macintosh G4 +(Tower): + +ultra0 = hd = master device, primary ATA bus (factory-installed drive) +ultra1 = slave device, primary ATA bus +ide0 = cd = master device, secondary ATA bus (CD/DVD drive) +ide1 = slave device, secondary ATA bus (Zip drive, if installed) +enet = motherboard ethernet device NOTE: The powerpc port does not currently support sharing the disk with MacOS -This is an important fact on the imac which does not support more than +This is an important fact on the iMac which does not support more than one disk. DistributionDescription diff --git a/distrib/notes/powerpc/hardware b/distrib/notes/powerpc/hardware index aa31baaccdb..e21f41163fd 100644 --- a/distrib/notes/powerpc/hardware +++ b/distrib/notes/powerpc/hardware @@ -1,26 +1,23 @@ -OpenBSD/MACHINE OSREV runs on iMac and possibly some other G3 and -first generation G4 Macintosh systems. Older Adb based system are -unlikely to work. This is partially firmware issues and partially -driver issues. +OpenBSD/MACHINE OSREV runs on iMac and possibly some other G3 and G4 Power +Macintosh systems. Older ADB-based systems are unlikely to work. This is +partially due to firmware issues and partially drive issues. -Has been tested on iMac Rev A 233Mhz and Rev C 333Mhz machines, and on -450MHz mono-processor G4 machines. Some success has been reported on -a PowerBook, however this is not well supported. +Has been tested on iMac Rev A/233MHz and Rev C/333MHz machines as well as +several Power Macintosh G4 systems (single and dual processor). Some +success has been reported on a PowerBook, however this is not well +supported. -This version will likely not work on any of the B&W G3 or newer G4 -machines (bi-processor and Cube). Some code has been rewritten to -work better on the B&W G3, but never has been retested. Hardware -availability is currently limiting development on those systems. +Some code has been written to work better on the B&W G3, but has never +been retested. Hardware availability is currently limiting development on +these systems. Supported devices {:-include-:}: - IDE hard disk controllers. iMac and G4 supported, other mac - onboard possibly. + IDE hard disk controllers. iMac supported, other mac onboard possibly. SCSI host adapters: Symbios Logic (NCR) 53C8xx-based PCI SCSI host adapters VGA, SVGA Display Adapters. - An unaccelerated 8 bits per pixel X Server is available. Serial ports: None. @@ -29,17 +26,17 @@ Supported devices {:-include-:}: [OPENFIRMWARE SUPPORT] Digital DC21x4x-based PCI Ethernet adapters, including: Znyx ZX34X - Onboard iMac and G4 10-100Mbs Ethernet. + Onboard iMac 10-100Mbs Ethernet, 100Mbs untested. Tape drives: SCSI Tape drives CD-ROM drives: SCSI CD-ROM drives - Atapi CD-ROM and DVD-ROM (for reading CD-ROMs only) - drives. + Atapi CD-ROM drives + Mice: - USB Mices. + NONE Sound Cards: NONE |