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Being based upon an interactive programming language, Open
Firmware can be used to efficiently test and bring up new hardware. It allows drivers to be written and tested interactively. Operational video and mouse drivers are the only prerequisite for a graphical interface suitable for end-user
270:
diagnostics. Apple shipped such a diagnostic "operating system" in many Power
Macintoshes. Sun also shipped an FCode-based diagnostic tool suite called OpenBoot Diagnostics (OBDiag) used by customer service support and hardware manufacturing teams
278:
Several commercial implementations of Open
Firmware have been released to the Open Source community since 2006, including Sun OpenBoot, Firmworks OpenFirmware and Codegen SmartFirmware. The source code is available from the
223:. This helps the operating system to better understand the configuration of the host computer, relying less on user configuration and hardware polling. For example, Open Firmware is essential for reliably identifying slave
262:. FCode is also very compact, so that a disk driver may require only one or two kilobytes. Therefore, many of the same I/O cards can be used on Sun systems and Macintoshes that used Open Firmware. FCode implements
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209:. This standard was not reaffirmed by the Open Firmware Working Group (OFWG) since 1998, and was therefore officially withdrawn by IEEE in May 2005.
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447:"Sun Enterprise 250 Server Owner's Guide > Chapter 12 Diagnostics and Troubleshooting > About OpenBoot Diagnostics (OBDiag)"
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may include a program, compiled to FCode, which runs on any Open
Firmware system. In this way, it can provide boot-time
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Open
Firmware defines a standard way to describe the hardware configuration of a system, called the
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on generic hardware, is known to result in serious hardware issues under certain circumstances.
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IEEE Standard for Boot (Initialization
Configuration) Firmware: Core Requirements and Practices
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Sun's OpenBoot 2.x command reference manual (Revision A, November 1995)
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OpenBSD Hardware
Sensors – Environmental Monitoring and Fan Control
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Constantine A. Murenin (21 May 2010). "5.1. Open
Firmware and IC".
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Open
Firmware Forth Code may be compiled into FCode, a
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directly from a PCI device, improving compatibility.
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is a standard defining the interfaces of a computer
333: – Operating system and firmware specification
283:project. Sun's implementation is available under a
56:. Unsourced material may be challenged and removed.
155:, and has been used by multiple vendors including
483:Sun's SPARC OpenBoot 4.x command reference manual
145:Institute of Electrical and Electronics Engineers
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435:. Document ID: ab71498b6b1a60ff817b29d56997a418.
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389:. Prentice-Hall Professional. p. 107.
266:and a subset of the Open Firmware library.
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185:Open Firmware may be accessed through its
386:Solaris Internals: Core Kernel Components
116:Learn how and when to remove this message
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235:bus, as has to be done by software like
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508:Aurora SPARC Linux OBP reference guide
174:Open Firmware allows a system to load
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315: – Open-source computer firmware
227:devices like temperature sensors for
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327: – Computer system architecture
305:Free and open-source software portal
54:adding citations to reliable sources
25:
16:Standard for computer bootstrap code
354:. 28 October 1994. pp. 1–262.
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13:
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453:from the original on 7 March 2021.
14:
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2803:Forth programming language family
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143:system, formerly endorsed by the
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30:
201:Open Firmware was described by
41:needs additional citations for
1:
2594:Preboot Execution Environment
2199:Run-Time Abstraction Services
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274:Implementations and licensing
2053:MultiProcessor Specification
248:instruction set architecture
7:
2624:Remote Initial Program Load
2221:Common Firmware Environment
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2213:Hybrid firmware bootloader
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1849:IEEE Standards Association
360:10.1109/IEEESTD.1994.89427
325:PowerPC Reference Platform
258:, configuration code, and
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191:Forth programming language
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147:(IEEE). It originated at
246:which is independent of
19:Not to be confused with
2150:Phoenix SecureCore UEFI
1854:Category:IEEE standards
488:The last IEEE 1275 text
468:OPEN FIRMWARE HOME PAGE
425:University of Waterloo
187:command line interface
151:where it was known as
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2793:Open-source hardware
2469:EFI system partition
2435:GUID Partition Table
2385:Windows Boot Manager
2255:Bootloader unlocking
2067:Legacy Plug and Play
1991:Open-source firmware
1984:Proprietary firmware
503:OFW FAQ on OLPC Wiki
50:improve this article
21:open-source firmware
2476:BIOS boot partition
2449:Apple Partition Map
2280:Acronis OS Selector
2120:American Megatrends
383:Mauro, Jim (2001).
229:hardware monitoring
132:OpenBoot screenshot
2783:Macintosh firmware
2737:Power-on self-test
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319:Power-on self-test
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189:, which uses the
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462:External links
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178:-independent
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137:Open Firmware
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67: –
66:
62:
61:Find sources:
55:
51:
45:
44:
39:This article
37:
33:
28:
27:
22:
2755:
2641:ROM variants
2585:Network boot
2563:Raspberry Pi
2329:systemd-boot
2038:
1843:
1639:
1615:
1581:
1530:
1475:
1239:
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1185:
649:
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277:
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241:
218:
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206:
205:standard as
200:
184:
173:
152:
136:
135:
112:
103:
93:
86:
79:
72:
60:
48:Please help
43:verification
40:
2695:ROM hacking
2631:Wake-on-LAN
2294:BootManager
2246:Bootloaders
1416:legacy mode
427:: UWSpace.
285:BSD license
256:diagnostics
220:device tree
2762:Categories
2730:Instant-on
2716:Devicetree
2556:Bus Pirate
2460:Partitions
2228:Das U-Boot
2113:Award BIOS
2030:Video BIOS
2008:Interfaces
1794:Superseded
865:802 series
433:10012/5234
338:References
237:lm_sensors
76:newspapers
2702:ROM image
2493:Utilities
2350:OpeniBoot
2192:Kickstart
2185:LinuxBoot
2178:Libreboot
2143:InsydeH2O
2134:AMI Aptio
2074:AlphaBIOS
1907:Processes
1669:Bluetooth
423:thesis).
264:ANS Forth
106:July 2011
2768:Firmware
2744:EDL mode
2723:Fastboot
2688:Boot ROM
2548:Hardware
2536:Heimdall
2522:UEFITool
2508:flashrom
2500:Software
2378:SYSLINUX
2315:GNU GRUB
2171:Coreboot
2164:OpenBIOS
1968:firmware
1966:Booting
1896:Firmware
1844:See also
1801:754-1985
1758:Proposed
1102:Ethernet
588:Revision
451:Archived
313:Coreboot
291:See also
281:OpenBIOS
252:PCI card
244:bytecode
213:Features
176:platform
153:OpenBoot
141:firmware
2680:Related
2617:NetBoot
2357:RedBoot
2336:loadlin
2287:Barebox
2127:AMIBIOS
2106:SeaBIOS
1945:Android
1915:Windows
1900:booting
1785:P1906.1
1646:Wi-Fi 8
1622:Wi-Fi 7
1588:Wi-Fi 6
1537:Wi-Fi 5
1482:Wi-Fi 4
561:Current
197:History
180:drivers
90:scholar
2670:EEPROM
2570:ft2232
2483:/boot/
2399:Yaboot
2364:rEFInd
1689:Zigbee
1657:802.15
1397:802.11
635:1149.1
510:(via
495:(via
470:(via
393:
366:
92:
85:
78:
71:
63:
2798:MacOS
2663:EPROM
2515:fwupd
2371:rEFIt
2343:NTLDR
2322:iBoot
1976:Types
1938:Linux
1780:P1823
1775:P1699
1770:P1619
1765:P1363
1547:WiGig
1411:-1997
1402:Wi-Fi
1111:-1983
1097:802.3
979:802.1
855:42010
850:29148
845:16326
840:16085
835:14764
830:12207
825:11073
421:MMath
161:Apple
97:JSTOR
83:books
2788:BIOS
2656:PROM
2608:iPXE
2601:gPXE
2529:Odin
2413:MILO
2392:xOSL
2235:ARCS
2046:ACPI
2023:BIOS
2016:UEFI
1898:and
1831:1471
1826:1364
1821:1362
1816:1233
1811:1219
1081:LACP
820:2050
815:2030
810:1905
805:1904
800:1902
795:1901
790:1900
785:1855
780:1850
775:1849
770:1815
765:1801
760:1800
755:1733
750:1722
745:1685
740:1675
735:1667
730:1666
725:1619
720:1613
715:1603
710:1596
705:1588
700:1584
695:1547
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680:1497
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665:1355
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655:1278
650:1275
645:1164
640:1154
630:1076
625:1016
620:1014
615:1003
391:ISBN
364:ISBN
331:UEFI
250:. A
203:IEEE
167:and
69:news
2649:ROM
2088:SFI
2081:SRM
2060:APM
1806:830
1730:.4z
1725:.4g
1720:.4f
1715:.4e
1710:.4d
1705:.4c
1700:.4b
1695:.4a
1022:Qbb
1017:Qaz
1012:Qay
1007:Qat
1002:Qav
969:.24
964:.22
959:.21
954:.20
949:.18
944:.17
932:.16
927:.14
922:.12
917:.10
874:802
610:896
605:829
600:828
595:854
583:754
578:730
573:693
568:488
429:hdl
356:doi
169:ARM
165:IBM
157:Sun
52:by
2764::
1929:NT
1922:9x
1745:.7
1740:.6
1735:.5
1685:.4
1680:.3
1675:.2
1665:.1
1641:bn
1636:bk
1633:bi
1630:bh
1627:bf
1617:be
1612:bd
1609:bc
1605:bb
1601:ba
1598:az
1594:ay
1583:ax
1578:aq
1575:ak
1571:aj
1566:ai
1561:ah
1556:af
1552:ae
1543:ad
1532:ac
1527:aa
1387:df
1382:de
1377:dd
1372:db
1367:da
1362:cz
1357:cy
1352:cx
1347:cw
1342:cv
1337:cu
1332:ct
1327:cs
1322:cr
1317:cq
1312:cp
1307:cn
1302:cm
1297:ck
1292:ch
1287:cg
1282:ce
1277:cd
1272:cc
1267:cb
1262:ca
1257:bz
1252:by
1247:bu
1241:bt
1235:ba
1230:az
1225:av
1220:au
1214:at
1208:aq
1203:an
1198:ak
1193:ah
1187:af
1181:ae
1176:ad
1171:ac
1166:ab
1087:BA
1077:AX
1072:AS
1067:aq
1062:ak
1057:ah
1052:ag
1047:AE
1042:ad
1037:AB
912:.9
907:.8
902:.7
897:.6
892:.5
887:.4
882:.2
449:.
405:^
362:.
287:.
233:IC
225:IC
193:.
171:.
163:,
159:,
1888:e
1881:t
1874:v
1691:)
1687:(
1671:)
1667:(
1648:)
1644:(
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1620:(
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1586:(
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1545:(
1539:)
1535:(
1523:z
1518:y
1513:w
1508:v
1503:u
1498:s
1493:r
1488:p
1484:)
1480:(
1477:n
1471:k
1466:j
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1456:h
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1436:d
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1404:)
1400:(
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1032:X
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532:v
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499:)
474:)
431::
419:(
399:.
372:.
358::
119:)
113:(
108:)
104:(
94:·
87:·
80:·
73:·
46:.
23:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
