Annotation of www/macppc.html, Revision 1.52
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1.1 brad 17: <p>
1.33 miod 18: <h2><font color="#e00000">OpenBSD/macppc</font></h2>
19:
20: <hr>
21:
22: <p>
23: OpenBSD/macppc runs on the PowerPC-based Macintosh systems from the
24: <i>``New World''</i> family, i.e. all Apple computers from the iMac to current
1.39 ian 25: models. It does not run any <a href="#unsup">unsupported models</a>.
1.33 miod 26: </p>
27:
28: <p>
1.41 nick 29: A mailing list dedicated to the OpenBSD/macppc port is available at
1.33 miod 30: <u><font color="#23238e">ppc@openbsd.org</font></u>.
31: To join the OpenBSD/macppc mailing list, send a message body of <b>"subscribe
32: ppc"</b> to
33: <a href="mailto:majordomo@openbsd.org">majordomo@openbsd.org</a>.
34: Please be sure to check our <a href="mail.html">mailing list policy</a> before
35: subscribing.
36: </p>
37:
38: <p>
39: The current port maintainer is Dale Rahn
40: (<a href="mailto:drahn@openbsd.org">drahn@openbsd.org</a>).
1.41 nick 41: Others are definitely welcome to contribute!
1.33 miod 42: </p>
43:
44: <a href="#toc"></a>
45: <h3><font color="#0000e0"><i>Table of contents</i></font></h3>
46: <p>
47: <ul>
1.38 jufi 48: <li><a href="#history">History of the port</a>
1.33 miod 49: <li><a href="#status">Current status</a>
50: <li><a href="#projects">Project list</a>
1.36 miod 51: <li><a href="#hardware">Supported hardware list</a>
1.33 miod 52: <li><a href="#install">Getting and installing OpenBSD/macppc</a>
53: <li><a href="#multiboot">Multiboot/Shared HFS disks</a>
54: <li><a href="#root">Boot device considerations</a>
55: <li><a href="#problems">Known problems</a>
56: <li><a href="#other">Other features</a>
57: </ul>
58:
59: <hr>
60: <a name="history"></a>
61: <h3><font color="#0000e0"><strong>History:</strong></font></h3>
62:
63: <p>
64: The OpenBSD/macppc port started as OpenBSD/powerpc, and was initially
65: focused on Motorola computers with OpenFirmware, and VI Power4e boards.
66: This port was eventually thrown away after OpenBSD 2.5 was released.
67: As a result there was no OpenBSD/powerpc port for the 2.6 and 2.7 releases.
68: In the meantime, a new port was started, focusing on Apple hardware, and
69: based on code from NetBSD/macppc, and after a lot of work from Dale Rahn,
70: OpenBSD 2.8 was released with a powerpc port.
71: As work on the port continued, it was renamed to OpenBSD/macppc for 3.0.
72: </p>
73:
74: <hr>
75: <a name="status"></a>
76: <h3><font color="#0000e0"><strong>Current status:</strong></font></h3>
77:
78: <p>
79: Currently, all the hardware listed in the
80: <a href="#hardware">supported hardware list</a> section below boots
81: multi-user, supports most, if not all, of the on-board devices, and is
82: generally useable.
83: </p>
84:
85: <a name="X11"></a>
86: <p>
1.44 jmc 87: XFree86 is supported on all MacPPC systems, however
1.33 miod 88: only the ATI graphics adapters are supported by an <i>accelerated</i>
89: X server at the current time.
90: The nVidia accelerated X server does not currently work, however nVidia
1.41 nick 91: (and ATI) cards can be used by X in frame buffer (unaccelerated) mode,
1.33 miod 92: at the boot resolution and color depth using the wsfb driver (installed by
93: default).
94: </p>
95:
96: <p>
97: Directions on enabling the accelerated X server can be found
98: in the <tt>/usr/X11R6/README</tt> file on the installed system.
99: </p>
100:
1.32 jufi 101: <hr>
1.33 miod 102: <a name="projects"></a>
103: <h3><font color="#0000e0"><strong>Projects (in no particular order):
104: </strong></font></h3>
1.1 brad 105:
106: <p>
107: <ul>
1.33 miod 108: <li>Work on unsupported on-board devices
109: <li>Fix known problems
110: <li>Improve port-specific documentation
111: <li>Test more platforms and peripherals, especially PCI drivers
112: </ul>
113:
114: <hr>
115: <a name="hardware"></a>
116: <h3><font color="#0000e0"><strong>Supported hardware:</strong></font></h3>
1.11 drahn 117:
118: <p>
1.33 miod 119: <h4>Supported models</h4>
1.11 drahn 120:
1.28 henning 121: <p>
1.33 miod 122: PowerPC-based Macintosh systems are divided into <i>"Old World"</i> and
123: <i>"New World"</i> systems, the difference being
124: <a href="http://developer.apple.com/technotes/tn/tn1167.html">the design
125: of the system ROM</a>.
126: Only <i>"New World"</i> machines are currently supported.
127: Known compatible systems include the following:
1.13 nick 128: <ul>
1.33 miod 129: <li>PowerMac G3 (B&W)
130: <li><a href="http://docs.info.apple.com/article.html?artnum=58418">PowerMac G4
131: </a> (PCI Graphics? - untested but should work)
132: <li>PowerMac G4 (AGP Graphics)
133: <li>PowerMac G4 (Digital Audio)
134: <li>PowerMac G4 (QuickSilver)
135: <li>PowerMac G4 (QuickSilver 2002)
1.47 drahn 136: <li>PowerMac G4 (Mirror Door Drive)
137: <li>PowerMac G4 (FW 800)
1.33 miod 138: <li>PowerMac Dual G4
139: <li>PowerMac G4 Cube
140: <li>iMac Rev A
141: <li>iMac Rev B
142: <li>iMac Rev C
143: <li>iMac DV
144: <li>iMac DV+
145: <li>LCD iMac
146: <li>PowerBook G3 (FireWire)
147: <li>PowerBook G4
1.47 drahn 148: <li>PowerBook G4 12", 17"
1.33 miod 149: <li>iBook
150: <li>iBook2 <i>(problems with Combo drive thought to be fixed in 3.1)</i>
151: <li>Xserve <i>(currently only running on serial console with video card removed)</i>
152: <li>StarMax <i>(development in progress)</i>
153: <li>others... <i>(development in progress)</i>
1.11 drahn 154: </ul>
1.33 miod 155: To help us improve the accuracy of this list, <b>PLEASE</b>
156: <a href="faq/faq4.html#SendDmesg">send your dmesg</a> after installation
157: to <a href="mailto:dmesg@openbsd.org">dmesg@openbsd.org</a>.
1.11 drahn 158:
1.33 miod 159: <p>
160: <h4>Supported peripherals</h4>
1.1 brad 161:
1.33 miod 162: <p>
1.15 deraadt 163: <ul>
164: <li><strong>Onboard I/O modules</strong> (obio)
1.1 brad 165: <ul>
166: <li>Apple Paddington
167: <li>Apple Keylargo
168: </ul>
169:
1.15 deraadt 170: <li><strong>PCI-Bridges</strong>
1.32 jufi 171: (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pchb&sektion=4">pchb</a>)
1.1 brad 172: <ul>
173: <li>Apple Uni-North
174: <li>Apple Uni-North AGP
175: <li>Apple Uni-North Eth
176: <li>Motorola MPC106 Host-PCI
177: </ul>
178:
1.15 deraadt 179: <li><strong>Video Cards</strong>
1.1 brad 180: <ul>
181: <li>ATI Mach64 GP
182: <li>ATI Mach64 GV
183: <li>ATI Mach64 128 PK
184: <li>ATI Mach64 128 VR AGP
185: <li>ATI Mobility M3
186: <li>ATI Rage Fury AGP4x
187: </ul>
188:
1.15 deraadt 189: <li><strong>Ethernet</strong>
1.1 brad 190: <ul>
1.32 jufi 191: <li>DEC DECchip 21040 (Tulip) (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=de&sektion=4">de</a>)
192: <li>DEC DECchip 21143 (Tulip clones) (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=dc&sektion=4">dc</a>)
193: <li>Intel i8255x-based (except the i82556) PCI adapters (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=fxp&sektion=4">fxp</a>), including:
1.26 pvalchev 194: <ul>
195: <li>Intel EtherExpress PRO/10+
196: <li>Intel EtherExpress PRO/100, PRO/100B, and PRO/100+
197: <li>Intel EtherExpress PRO/100+ "Management Adapter"
198: <li>Intel EtherExpress PRO/100 Dual Port
199: <li>Intel PRO/100 VE, PRO/100 VM, and PRO/100 S
200: </ul>
1.27 henning 201: <li>Intel 21145-based PCI adapters (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=dc&sektion=4">dc</a>)
1.32 jufi 202: <li>Apple iMac Rev. A-C Ethernet (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=bm&sektion=4&arch=powerpc">bm</a>)
203: <li>Apple GMAC (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=gem&sektion=4">gem</a>)
204: <li>Alteon Tigon I/II-based adapters (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ti&sektion=4">ti</a>), including:
1.30 nate 205: <ul>
206: <li>3Com 3c985 and 3c985B
207: <li>Alteon ACEnic V (fiber and copper)
208: <li>Digital EtherWORKS 1000SX
209: <li>Farallon PN9000SX
210: <li>Netgear GA620 and GA620T
211: <li>SGI Tigon
212: </ul>
213:
1.31 margarid 214: <li>Intel i82540, i82542, i82543, i82544, i82545, and i82546 based adapters
1.32 jufi 215: (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=em&sektion=4">em</a>),
1.25 nate 216: including:
217: <ul>
218: <li> Intel PRO/1000 Gigabit Server Adapter (SX Fiber) (PWLA8490)
219: <li> Intel PRO/1000F Gigabit Server Adapter (SX Fiber) (PWLA8490SX)
220: <li> Intel PRO/1000T Server Adapter (PWLA8490T)
221: <li> Intel PRO/1000XT Server Adapter (PWLA8490XT)
222: <li> Intel PRO/1000XS Server Adapter (SX Fiber) (PWLA8490XF)
223: <li> Intel PRO/1000T Desktop Adapter (PWLA8390T)
224: <li> Intel PRO/1000XTL Lo Profile PCI Server (PWLA8490XTL)
225: <li> Intel PRO/1000MT Desktop Adapter (PWLA8390MT)
226: <li> Intel PRO/1000MT Server Adapter (PWLA8490MT)
227: <li> Intel PRO/1000MT Dual Port Server Adapter (PWLA8492MT)
228: <li> Intel PRO/1000MF Server Adapter (SX Fiber) (PWLA8490MF)
229: <li> Intel PRO/1000MF Dual Port Server Adapter (SX Fiber) (PWLA8492MF)
230: <li> Intel PRO/1000MF Server Adapter (LX Fiber) (PWLA8490LX)
231: </ul>
1.1 brad 232: </ul>
233:
1.15 deraadt 234: <li><strong>Wireless Ethernet Adapters</strong>
1.1 brad 235: <ul>
1.32 jufi 236: <li>Aironet 802.11DS PCI (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=an&sektion=4">an</a>)
237: <li>WaveLAN 802.11DS onboard airport slot, PCI and CardBus (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=wi&sektion=4">wi</a>)
1.41 nick 238: <li>Prism II and Prism 2.5 PCI and Cardbus (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=wi&sektion=4">wi</a>). See <a href="i386.html">i386</a> for a complete list.
1.1 brad 239: </ul>
1.15 deraadt 240:
241: <li><strong>SCSI and IDE Host Adapters</strong>
1.1 brad 242: <ul>
1.32 jufi 243: <li>Symbios Logic 53c810, 53c825 (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=siop&sektion=4">siop</a>)
1.43 drahn 244: <li>Adaptec AIC-7770-based SCSI host adapters (including the
245: Adaptec AHA-274x and AHA-284x families). (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ahc&sektion=4">ahc</a>)
246: <li>Adaptec AHA-[23]94x[W] cards and some on-board PCI designs using the
247: AIC7870 and AIC7880 chips. (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ahc&sektion=4">ahc</a>) <sup>(C)</sup>
248: <li>Adaptec AHA-[23]9[34]xU[2W] cards and on-board PCI designs using the
249: AIC789[01], AIC7895, AIC789[67] chips. (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ahc&sektion=4">ahc</a>)
250: <li>Adaptec AIC-789[29] chips and products like the AHA-29160 based upon it
251: which do 160MB/sec SCSI. (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ahc&sektion=4">ahc</a>)
252: (However, the 7899G card is currently not supported with more than one device attached)
1.13 nick 253: <li>All PCI IDE
1.32 jufi 254: (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pciide&sektion=4">pciide</a>)
1.13 nick 255: adapters supported by the <a href="i386.html">i386</a> platform
1.1 brad 256: </ul>
257:
1.15 deraadt 258: <li><strong>RAID Controllers</strong>
1.1 brad 259: <ul>
1.32 jufi 260: <li>Adaptec SCSI RAID (<a href="http://www.intelligent-io.com/">I2O</a>) controllers (ASR-2100S, ASR-3200S, etc.) (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=iop&sektion=4">iop</a>)
1.1 brad 261: </ul>
262:
1.15 deraadt 263: <li><strong>Drives</strong>
1.1 brad 264: <ul>
265: <li>All IDE devices supported on the <a href="i386.html">i386</a>.
266: <li>All ATAPI drives supported on the <a href="i386.html">i386</a>.
267: <li>All SCSI drives supported on the <a href="i386.html">i386</a>.
268: </ul>
269:
1.15 deraadt 270: <li><strong>USB Controllers/Hubs</strong>
1.1 brad 271: <ul>
1.32 jufi 272: <li>Apple USB (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ohci&sektion=4">ohci</a>)
273: <li>OHCI root hub (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ohci&sektion=4">ohci</a>)
274: <li>Opti RM861HA (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ohci&sektion=4">ohci</a>)
1.1 brad 275: <li>Alps Electric Hub in Apple USB Keyboard
276: </ul>
277:
1.15 deraadt 278: <li><strong>USB Devices</strong>
1.1 brad 279: <ul>
1.32 jufi 280: <li>Alps Electric Apple USB Keyboard (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ukbd&sektion=4">ukbd</a>)
281: <li>Solid Year Keyboard and Mouse (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ukbd&sektion=4">ukbd</a>) (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ums&sektion=4">ums</a>)
282: <li>Logitech M4848 (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ums&sektion=4">ums</a>)
1.40 david 283: <li>Kensington USB/PS2 Wheel Mouse (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ums&sektion=4">ums</a>)
1.32 jufi 284: <li>USB Zip Drives (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=umass&sektion=4">umass</a>)
1.1 brad 285: </ul>
286:
1.33 miod 287: <li><strong>Cardbus/PCMCIA bridges</strong>
1.19 drahn 288: <ul>
1.41 nick 289: <li>PBG4 onboard CardBus bridge is now supported, as are PCI CardBus bridges.
1.32 jufi 290: (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=cbb&sektion=4">cbb</a>)
1.19 drahn 291: <li>Orinoco/Prism cards are only current supported cards
1.32 jufi 292: (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=wi&sektion=4">wi</a>)
1.19 drahn 293: </ul>
1.41 nick 294: <li><strong>Cryptography Accelerators</strong>
1.21 drahn 295: <ul>
1.49 jason 296: <li>Broadcom uBsec BCM5801, BCM5802, BCM5805, BCM5820, BCM5821, BCM5822, BCM5823 (and the legacy Bluesteelnet 5501 and 5601 parts)(<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ubsec&sektion=4">ubsec</a>)
1.32 jufi 297: <li>Hifn 6500-based boards (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=lofn&sektion=4">lofn</a>)
1.50 jason 298: <li>Hifn 7751/7811/7951/7955/7956-based boards (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=hifn&sektion=4">hifn</a>), including:
1.29 jason 299: <ul>
1.50 jason 300: <li>Soekris Engineering vpn1201, vpn1211, vpn1401, and vpn1411
1.29 jason 301: <li>GTGI PowerCrypt Encryption Accelerator
302: <li>NetSec 7751
1.42 jason 303: <li>Hifn 7751 and 9751 reference boards
1.29 jason 304: <li>Invertex AEON
305: </ul>
1.48 jason 306: <li>SafeNet SafeXcel 1141/1741 (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=safe&sektion=4">safe</a>)
1.21 drahn 307: </ul>
1.19 drahn 308:
1.46 jason 309: <li><strong>Audio Devices</strong>
310: <ul>
1.51 david 311: <li>AWACS (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=awacs&sektion=4&arch=macppc">awacs</a>)
312: <li>Ensoniq AudioPCI (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=eap&sektion=4">eap</a>)
313: <li>USB audio (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=uaudio&sektion=4">uaudio</a>)
1.46 jason 314: </ul>
315:
1.51 david 316: <li><strong>Radio Receiver Devices</strong> (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=radio&sektion=9">radio</a>)
1.37 mickey 317: <ul>
1.51 david 318: <li>Brooktree 848/849/878/879-based TV tuner cards (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=bktr&sektion=4">bktr</a>)
1.37 mickey 319: </ul>
320:
1.15 deraadt 321: <li><strong>Other Devices</strong>
1.13 nick 322: <ul>
323: <li>Serial Ports: While the modern PowerMacintosh series has no external
324: standard serial ports, many have an on-board modem which can be
325: removed and replaced with an adapter (several manufacturers of these exist)
326: which will produce a standard (and supported) serial port.
1.21 drahn 327: <li>Firewire device now probes and is configured, but no devices will attach
328: on the firewire bus, yet.
1.35 miod 329: <li>Backlight on lcd devices can be controlled through the brightness control
330: keys on ADB (laptop) keyboards, or through'wsconsctl -w display.brightness=xx'
1.21 drahn 331: (0 - 100) and 'wsconsctl -w display.backlight=xx' (0 or 100)
1.51 david 332: <li>Brooktree 848/849/878/879-based video capture cards (<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=bktr&sektion=4">bktr</a>), including:
1.37 mickey 333: <ul>
334: <li>Hauppage Wincast TV
335: <li>STB TV PCI Television Tuner
336: <li>Miro PC TV
337: <li>Intel Smart Video Recorder III
338: <li>IMS TV Turbo
339: <li>AVer Media TV/FM
340: </ul>
1.15 deraadt 341: </ul>
1.28 henning 342: </ul>
1.33 miod 343:
1.1 brad 344: <p>
1.22 drahn 345: <a name="unsup"></a>
1.33 miod 346: <h4>Unsupported Hardware</h4>
347:
348: <p>
1.1 brad 349: <ul>
1.39 ian 350: <li>Any older Mac with a 4-digit part number (6100, 7300, 7500,
351: 8500, 9500).
1.33 miod 352: <li>Older Apple PowerMac systems with a 601 processor or lacking
353: OpenFirmware are not supported.
1.13 nick 354: <li>Older OpenFirmware machines are not currently supported.
355: This is mostly due to lack of developer resources and limited
356: availability of hardware.
357: <li>Built-in modems on most machines are not supported. In many systems,
358: the serial port the modem is attached to is supported, but the modem
359: itself is not supported.
360: <li>Newer PowerBooks have an internal modem attached as a USB device, these
361: are not supported.
362: <li>The new 'digital audio' subsystem on iBooks and newer PBG4, G4 and iMacs
363: is not supported.
1.33 miod 364: <li>Sleep/Suspend on laptops is not supported.
1.47 drahn 365: <li>Airport Extreme is not supported, no available docs.
366: <li>Bluetooth is not supported.
367: <li>Multi-speed laptops are not adjustable.
1.1 brad 368: </ul>
1.33 miod 369:
1.36 miod 370: <hr>
371: <a name="install"></a>
372: <h3><font color="#0000e0">
373: <strong>Getting and installing OpenBSD/macppc:</strong>
374: </font></h3>
375:
376: <p>
377: The latest supported OpenBSD/macppc release is
1.51 david 378: <a href="34.html">OpenBSD 3.4</a>.
1.36 miod 379: Here are the
1.51 david 380: <a href="ftp://ftp.OpenBSD.org/pub/OpenBSD/3.4/macppc/INSTALL.macppc">
381: OpenBSD/macppc 3.4 installation instructions
1.36 miod 382: </a>.
383: </p>
384:
385: <p>
386: Snapshots are made available from time to time, in
387: <a href="ftp://ftp.OpenBSD.org/pub/OpenBSD/snapshots/macppc">this location</a>
388: as well as in a few
389: <a href="ftp.html">mirrors</a>.
390: Here are the
391: <a href="ftp://ftp.OpenBSD.org/pub/OpenBSD/snapshots/macppc/INSTALL.macppc">
392: OpenBSD/macppc snapshot installation instructions
393: </a> as well.
394: </p>
395:
396: <p>
397: There are several installation media provided:
398: <ul>
399: <li><strong>CD boot</strong>
400: <p>
401: With the OpenBSD CD inserted in the cdrom drive, powering the machine on
402: while leaving the ``C'' key pressed will bootstrap the installation
403: procedure.
404: Alternatively, the CD can be booted at the OpenFirmware prompt, with
405: <pre>
1.51 david 406: boot cd:,ofwboot 3.4/macppc/bsd.rd
1.36 miod 407: </pre>
1.51 david 408: </li>
1.36 miod 409: <li><strong>MacOS-based boot</strong>
410: <p>
411: If the system disk is shared with MacOS, the <tt>ofwboot</tt> boot loader
412: and the <tt>bsd.rd</tt> installation media can be copied to the first HFS
413: or HFS+ partition.
414: Then the installation procedure can be booted at the OpenFirmware prompt,
415: with
416: <pre>
417: boot hd:,ofwboot bsd.rd
418: </pre>
419: </ul>
420:
421: <a name="multiboot"></a>
422: <h3><font color="#0000e0">Multiboot/Shared HFS disks:</font></h3>
423: <p>
424: Having OpenBSD multiboot, or share, a disk with OS X/MacOS 9
425: is possible as long as the disk is first partitioned with the
426: MacOS utility, <i>Drive Setup</i> (MacOS 9) or <i>System Disk
427: Utility</i> (MacOS X).
428: Unallocated space, or a partition not in use, must be left for OpenBSD's use.
429: Since OpenBSD is only able to boot from HFS (not MacOS X UFS) filesystem,
430: the first partition must formated as HFS or HFS+, not UFS, to be able to boot
431: OpenBSD.
432: </p>
433:
434: <p>
435: Please refer to the installation instructions for more details on how to
436: install a shared disk.
437: Standalone (no MacOS present) installation is also supported.
438: </p>
439:
440: <a name="root"></a>
441: <h3><font color="#0000e0">Boot device considerations:</font></h3>
442: <p>
443: Modern MacPPC systems have two IDE interfaces (called Ultra and IDE), each of
444: which can have two devices on them (ultra0, ultra1, ide0, ide1).
445: When multiple drives are present in the system, there are limitations
446: of which drives can be configured as the OpenBSD root drive.
447: Invalid configurations will not be able to properly
448: detect which drive is the root drive, so any attempt will either
449: prompt for a root drive or fail.
450: </p>
451:
452: <p>
453: <ul>
454: <li><tt>ultra0</tt> is always a valid root drive.
455: <li><tt>ultra1</tt> is valid as a root disk, as long as <tt>ultra0</tt>
456: is a hard drive, not a non-hard disk ATAPI device).
457: <li><tt>ide1</tt> (Zip drive bay) is valid as a root disk if no hard drive is
458: located at <tt>ultra1</tt>,
459: <li><tt>ide0</tt> (cdrom) is valid as a root drive <b>only</b> if no hard
460: drives are connected to the Ultra bus.
461: </ul>
462:
463: <hr>
1.33 miod 464: <a name="problems"></a>
465: <h3><font color="#0000e0">Known Problems</font></h3>
466:
1.1 brad 467: <p>
1.33 miod 468: <ul>
469: <li>Laptop systems may power off within 2-5 minutes if the lid is closed
470: while running from battery.
471: <li>Older iMacs can have a problem with the USB keyboard driver where
472: the first key pressed after boot will repeat endlessly. The workaround
473: is to press <SHIFT> first or to disconnect and reconnect the USB mouse
474: after the problem has occurred.
475: </ul>
1.1 brad 476:
1.36 miod 477: <hr>
1.33 miod 478: <a name="other"></a>
479: <h3><font color="#0000e0">Other Features</font></h3>
1.1 brad 480:
1.5 miod 481: <p>
1.33 miod 482: <ul>
483: <li> <CTRL><CMD><POWER> on ADB (not USB) keyboards
484: will reset the computer.
485: </ul>
1.5 miod 486:
1.1 brad 487: <hr>
1.33 miod 488: <a href="plat.html">
489: <img height="24" width="24" src="back.gif" border="0" alt="Supported platforms">
490: </a>
491: <br>
492: <small><a href="mailto:www@openbsd.org">www@openbsd.org</a></small>
1.1 brad 493: <br>
1.52 ! nick 494: <small>$OpenBSD: macppc.html,v 1.51 2003/10/31 05:00:38 david Exp $</small>
1.1 brad 495:
496: </body>
497: </html>
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