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version 1.266, 2019/05/27 22:55:20

version 1.267, 2019/06/01 23:12:48

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<i>"New World"</i> systems, the difference being

the design of the system ROM</a>.

Only <i>"New World"</i> machines are currently supported.

Known compatible systems include the following:

<ul>

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</ul>

<p>

To help us improve the accuracy of this list, <strong>PLEASE</strong>

<a href="faq/faq4.html#SendDmesg">send your dmesg</a> after installation

to <a href="mailto:dmesg@openbsd.org">dmesg@openbsd.org</a>.

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<li>Apple Shasta

</ul>

<li><strong>PCI-Bridges</strong>

(<a href="https://man.openbsd.org/macppc/pchb.4">pchb</a>)

<ul>

<li>Apple Bandit

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<li>AMD PCnet-based PCI adapters (<a href="https://man.openbsd.org/macppc/pcn.4">pcn</a>)

</ul>

<li><strong>Wireless Ethernet Adapters</strong>

<ul>

<li>ADMtek ADM8211 IEEE 802.11b PCI/CardBus adapters (<a href="https://man.openbsd.org/macppc/atw.4">atw</a>)

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<li>LSIFC909, LSIFC919, LSIFC919X, LSIFC929, LSIFC929X, LSIFC949, LSIFC949X,

<li>LSISAS1064, LSISAS1064E, LSISAS1068, LSISAS1068E

</ul>

<li>All PCI IDE

(<a href="https://man.openbsd.org/macppc/pciide.4">pciide</a>)

adapters supported by the <a href="i386.html">i386</a> platform

</ul>

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<li>Opti RM861HA (<a href="https://man.openbsd.org/macppc/ohci.4">ohci</a>)

<li>Alps Electric Hub in Apple USB Keyboard

</ul>

<li><strong>USB Devices</strong>

<ul>

<li>Alps Electric Apple USB Keyboard (<a href="https://man.openbsd.org/macppc/ukbd.4">ukbd</a>)

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<li>Logitech M4848 (<a href="https://man.openbsd.org/macppc/ums.4">ums</a>)

<li>Kensington USB/PS2 Wheel Mouse (<a href="https://man.openbsd.org/macppc/ums.4">ums</a>)

<li>USB Zip Drives (<a href="https://man.openbsd.org/macppc/umass.4">umass</a>)

</ul>

<li><strong>CardBus/PCMCIA bridges</strong>

<ul>

<li>PBG4 onboard CardBus bridge is now supported, as are PCI CardBus bridges.

(<a href="https://man.openbsd.org/cbb.4">cbb</a>)

</ul>

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<li><strong>Other Devices</strong>

<ul>

<li>Serial Ports: While the modern PowerMacintosh series has no external

standard serial ports, many have an on-board modem which can be

removed and replaced with an adapter (several manufacturers of these exist)

which will produce a standard (and supported) serial port.

<li>Backlight on lcd devices can be controlled through the brightness control

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<li>Any older Mac with a 4-digit part number (6100, 7300, 7500,

8500, 9500).

<li>Older Apple PowerMac systems with a 601 processor or lacking

Open Firmware are not supported.

<li>Older Open Firmware machines are not currently supported.

This is mostly due to lack of developer resources and limited

availability of hardware.

<li>Built-in modems on most machines are not supported. In many systems,

the serial port the modem is attached to is supported, but the modem

itself is not supported.

<li>Newer PowerBooks have an internal modem attached as a USB device, these

are not supported.

<li>Sleep/Suspend on laptops is not supported.

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<h3 id="multiboot">Multiboot/Shared HFS disks:</h3>

<p>

Having OpenBSD multiboot, or share, a disk with Mac OS X/Mac OS 9

is possible as long as the disk is first partitioned with the

Mac OS utility, <i>Drive Setup</i> (Mac OS 9) or <i>System Disk

Utility</i> (Mac OS X).

Unallocated space, or a partition not in use, must be left for OpenBSD's use.

Since OpenBSD is only able to boot from an HFS (not Mac OS X UFS) filesystem,

the first partition must be formatted as HFS or HFS+, not UFS, to be able to

boot OpenBSD.

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<h3 id="root">Boot device considerations:</h3>

<p>

Modern MacPPC systems have two IDE interfaces (called Ultra and IDE), each of

which can have two devices on them (ultra0, ultra1, ide0, ide1).

When multiple drives are present in the system, there are limitations

of which drives can be configured as the OpenBSD root drive.

Invalid configurations will not be able to properly

detect which drive is the root drive, so any attempt will either

prompt for a root drive or fail.

<ul>

<li><code>ultra0</code> is always a valid root drive.

<li><code>ultra1</code> is valid as a root disk, as long as <code>ultra0</code>

is a hard drive, not a non-hard disk ATAPI device.

<li><code>ide1</code> (Zip drive bay) is valid as a root disk if no hard drive is

located at <code>ultra1</code>,

<li><code>ide0</code> (cdrom) is valid as a root drive <strong>only</strong> if no hard

drives are connected to the Ultra bus.

</ul>

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<h3 id="problems">Known Problems</h3>

<ul>

<li>Laptop systems may power off within 2-5 minutes if the lid is closed

while running from battery.

<li>Older iMacs can have a problem with the USB keyboard driver where

the first key pressed after boot will repeat endlessly. The workaround

is to press <SHIFT> first or to disconnect and reconnect the USB mouse

after the problem has occurred.

</ul>

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<h3 id="other">Other Features</h3>

<ul>

<li> <CTRL><CMD><POWER> on ADB (not USB) keyboards

will reset the computer.

</ul>