973:
441:
implement layout techniques to better support cooling methodologies on specific form factors. This provides a specification not only for ESD metal covers on two sides of VPX boards, but also for forced air, conduction- and liquid-cooling implementations. REDI also addresses spray cooling. To allow for greater power and heat dissipation, REDI includes provision for increased board-to-board spacing and increased board thickness.
1733:
39:
31:
440:
standard IEEE-1101.2, which is compatible with existing enclosures. Provision is also made for air-cooling via an IEEE 1101.1/10 form factor version. For more stringent cooling requirements, the REDI (Ruggedized
Enhanced Design Implementation – previously known as VITA 48) standard describes how to
399:
or single-ended) that delivers highly controlled impedance, minimal insertion loss and less than 3% crosstalk at transfer rates up to 6.25 Gbit/s. The new connector enables a 6U VPX board to feature a total of 707 non-power electrical contacts and a total of 464 signal contacts. The latter are
213:
In common with other similar standards, VPX comprises a "base line" specification, which defines the basic mechanical and electrical elements of VPX, together with a series of "dot level" specifications, one or more of which must be implemented to create a functional module. The specifications and
465:, in particular, mandated improved interoperability of parts of different vendors. In October, 2009, the specification was submitted as VITA 65, and products were demonstrated at the Milcom 2009 conference. In December 2009, the 28 member companies formed an alliance for marketing their products.
387:
has since developed their RVPX line of connectors capable of speeds up to 32 Gb/s. VPX boards cannot be used in a standard VMEbus chassis, although the use of hybrid chassis is foreseen by the VPX standard. A 6U VPX board features six 16-column 7-row RT2/RVPX connectors and one 8-column 7-row
468:
The OpenVPX System
Specification describes technical implementation details for 3U and 6U VPX payload and switch modules, backplane topologies, and chassis products, which provides guidance on how to build interoperable computing and communication systems. OpenVPX was a development of, and
460:
The OpenVPX working group was formed in
January 2009 to develop a system-level specification that addressed interoperability improvements for VPX. Three years after being called a "standard", most VPX products still had to have all components supplied by a single source. The
469:
complementary to, VPX. The OpenVPX System
Specification was ratified by ANSI in June 2010. By 2011, it was seen as replacing older forms of VMEbus. SOSA aims to guarantee interoperability between equipment adhering to the VPX standard from different vendors.
391:
Also new for VPX boards are alignment/keying blocks which are designed to be sufficiently robust to prevent pin stubbing. The blocks also provide card keying and a safety ground. A 6U board has three such keying blocks, while a 3U board has two.
85:
VPX was intended to address shortcomings in scalability and performance of on both side of the bus to bus bridging technology. The goal was to include newer faster VMEbus standards and new generations of PCI bus standards.
523:
175:
VPX technology was presented at a VMEbus
International Trade Association (VITA) trade show in 2004, by a company called American Logic Machines USA. Products were announced as early as 2006.
933:
457:
architectures), multiprocessors, graphics processors, FPGA-based processing modules, mass storage, switches, and complete integrated subsystems, which started appearing around 2007.
121:, it was designed with defense applications in mind, with an enhanced module standard that enables applications and platforms with superior performance. VPX retained VME's
429:
standards. "When the shared pins are utilized with multiple supplies, there are no real limitations on achievable power levels," states
Patrick Shaw the chair of VITA 62.
531:
164:
bus architectures for local communications, because they offer significantly greater capability. Switched fabrics technology supports the implementation of
763:
1173:
737:
638:
1701:
1330:
395:
The MultiGig RT2 connector is specifically designed to enable high performance. It accomplishes this through a 7-row 16-wafer (wafers can be power,
1193:
665:
449:
Manufacturers announced products based on the VPX standard, in both 3U and 6U form factors. These include single-board computers (based on both
1000:
74:
947:
814:
432:
Removing wasted heat is always one of the primary objectives related to the power supply of a system. The specification of 6U VPX calls for
1381:
1052:
133:(PMC) and XMC mezzanines (PMC with high-speed serial fabric interconnect), and maintaining the maximum possible compatibility with VMEbus.
1728:
Interfaces are listed by their speed in the (roughly) ascending order, so the interface at the end of each section should be the fastest.
425:
The VITA 62 section of the VPX standard allows for more flexibility in maximizing power capability of the system, as compared to the old
462:
554:
1434:
1273:
1203:
613:
587:
1263:
1361:
388:
RT2/RVPX connector, while a 3U board features two 16-column 7-row RT2/RVPX connectors and one 8-column 7-row RT2/RVPX connector.
122:
690:
1153:
1705:
1356:
1325:
903:
89:
The VMEbus
International Trade Association (VITA) working group, formed in March 2003, was composed of companies such as
1303:
1629:
1568:
1423:
1087:
1228:
993:
789:
410:
268 for user I/O including 128 high speed differential pairs (giving a total of 160 high speed differential pairs)
1283:
169:
77:(VITA) working group starting in 2003, it was first demonstrated in 2004, and became an ANSI standard in 2007.
114:
106:
715:
847:
379:
The single biggest difference between original VMEbus boards and VPX boards is a new connector, developed by
1755:
1736:
1711:
1603:
1258:
978:
161:
1293:
872:
396:
1557:
1510:
1366:
1138:
986:
1553:
1406:
1288:
1465:
1020:
157:
58:
1009:
821:
130:
1455:
1077:
1013:
483:
168:
systems that require the fastest possible communications between multiple processors, such as
1188:
934:"Open-systems standards like SOSA could promote genuine embedded computing interoperability"
561:
433:
380:
172:
applications. VPX gives the existing base of VMEbus users access to these switched fabrics.
137:
118:
1318:
1168:
1148:
1023:
165:
141:
102:
70:
972:
1619:
1313:
1238:
1163:
1067:
1042:
417:
The connector is designed to allow a typical stiffening bar and a standard length PMC.
98:
1749:
1691:
1578:
1470:
1418:
1401:
1183:
1082:
1072:
1047:
948:"The official Sensor Open Systems Architecture (SOSA) standard is out; so now what?"
1428:
1371:
1223:
1128:
54:
1696:
1675:
1598:
1593:
1438:
1376:
1351:
1278:
1062:
1057:
145:
911:
588:"Surprises from Bus & Board tech insider conference; Fabrics and RoHS rule"
1549:
1248:
1037:
478:
153:
1573:
1563:
1530:
1525:
1460:
1335:
1123:
1108:
1103:
498:
126:
53:, is a set of standards for connecting components of a computer (known as a
404:
64 signals implemented as 32 high speed differential pairs for core fabric
1583:
1520:
1253:
1113:
384:
299:
PMC/XMC Rear I/O Fabric Signal
Mapping on 3U and 6U VPX Modules Standard
1716:
1670:
1654:
1480:
1298:
1243:
1178:
1133:
524:"VITA's VPX embedded systems computing standard gets ANSI ratification"
454:
149:
110:
17:
1649:
1540:
1515:
1505:
1500:
1495:
1490:
1308:
1198:
1158:
1118:
503:
426:
94:
90:
66:
1634:
1545:
904:"Outpacing VME: OpenVPX fast-tracks technologies to the front lines"
1644:
1535:
1475:
1413:
1386:
1268:
1218:
1143:
493:
450:
38:
37:
30:
29:
129:: 3U means three rack units, and 6U six rack units. It supported
1639:
1624:
1485:
1396:
1391:
1233:
639:"ANSI and VITA Ratify ANSI/VITA 46.0-2019 VPX Baseline Standard"
437:
62:
982:
880:
1588:
1208:
488:
200:
966:
190:
New 7-row high speed connector rated up to 6.25 Gbit/s
34:
6U VPX Video Output Module form Wolf company on DSEI-2019
140:
reflected the growing significance of high speed serial
764:"EiED Online: All Aboard The 2007 Bus And Board Show"
691:"R-VPX Evolution 2.0 | Products | Amphenol Aerospace"
383:
and known as the MultiGig RT2 which was used in VXS.
790:"Extra! OpenVPX goes from conflict to collaboration"
436:
via a conduction-cooled envelope compliant with the
125:
form factors, which are based on multiples of three
65:
standards such as ANSI/VITA 46.0–2019. VPX provides
1684:
1663:
1612:
1448:
1344:
1096:
1030:
27:Standards for connecting components of a computer
196:PMC, FMC (VITA 57), and XMC (VITA 42) mezzanines
73:over a new high speed connector. Defined by the
1331:Coherent Accelerator Processor Interface (CAPI)
555:"American Logic Machines Presents: Genesis VPX"
210:The VPX standard was updated in 2013 and 2019.
199:Hybrid backplanes to accommodate VME64, VME320
160:. These technologies are replacing traditional
994:
738:"Defence firms show latest VPX-based systems"
8:
666:"What's the Difference Between VME and VPX?"
716:"VITA 62 brings COTS power supplies to VPX"
1001:
987:
979:
971:
873:"VITA Members Form VPX Marketing Alliance"
815:"OpenVPX Industry Working Group: Overview"
848:"Live OpenVPX system unveiled at Milcom"
216:
515:
255:Serial RapidIO on VPX Fabric Connector
277:Gigabit Ethernet Control Plane on VPX
75:VMEbus International Trade Association
266:PCI Express® on VPX Fabric Connector
7:
846:Kathleen Hickey (October 20, 2009).
762:William G. Wong (January 18, 2007).
612:William G. Wong (January 25, 2007).
879:. December 10, 2009. Archived from
788:Chris A. Ciufo (October 20, 2009).
586:Chris A. Cuifo (January 23, 2006).
463:United States Department of Defense
193:Choice of high speed serial fabrics
530:. November 5, 2007. Archived from
25:
413:28 for system utilities or spares
365:Distributed Switching Topologies
288:Ethernet on VPX Fabric Connector
1732:
1731:
553:Gaz Salihue (January 20, 2004).
69:-based systems with support for
614:"Curtiss-Wright Ready With VPX"
310:Rear Transition Module for VPX
354:Switch Slot Definition on VPX
183:Technologies in VPX include:
1:
1326:Intel Ultra Path Interconnect
664:Justin Moll (April 5, 2016).
332:Fiber Optic Interface on VPX
244:VMEbus Signal Mapping on VPX
1304:Intel QuickPath Interconnect
1294:Direct Media Interface (DMI)
902:Brian Roberts (March 2011).
1772:
1289:Compute Express Link (CXL)
695:www.amphenol-aerospace.com
1725:
1526:IEEE-1284 (parallel port)
1441:logical device interface)
592:Military Embedded Systems
321:System Management on VPX
170:digital signal processing
908:VME and Critical Systems
206:VPX - bus to bus bridges
115:Mercury Computer Systems
107:GE Intelligent Platforms
421:Power and ruggedization
162:parallel communications
1088:List of bus bandwidths
794:VITA Technologies blog
397:differential signaling
233:VPX Baseline Standard
187:Both 3U and 6U formats
144:interconnects such as
43:
35:
343:Fiber Channel on VPX
41:
33:
1531:IEEE-1394 (FireWire)
1269:PCI Extended (PCI-X)
883:on September 7, 2010
445:Products and OpenVPX
57:), commonly used by
1372:Parallel ATA (PATA)
718:. VITA Technologies
158:10 Gigabit Ethernet
136:New generations of
59:defense contractors
1279:PCI Express (PCIe)
950:. 5 November 2021.
936:. 22 January 2019.
742:Electronics Weekly
385:Amphenol Aerospace
214:their status are:
131:PCI Mezzanine Card
44:
36:
1743:
1742:
1729:
1456:Apple Desktop Bus
1433:PCI Express (via
1392:Serial ATA (SATA)
1078:Network on a chip
914:on April 13, 2011
768:Electronic Design
670:Electronic Design
645:. October 2, 2018
618:Electronic Design
567:on March 24, 2006
484:CompactPCI Serial
407:104 VME64 signals
372:
371:
16:(Redirected from
1763:
1735:
1734:
1727:
1189:HP Precision Bus
1003:
996:
989:
980:
975:
970:
969:
967:Official website
952:
951:
944:
938:
937:
930:
924:
923:
921:
919:
910:. Archived from
899:
893:
892:
890:
888:
869:
863:
862:
860:
858:
843:
837:
836:
834:
832:
826:
820:. Archived from
819:
811:
805:
804:
802:
800:
785:
779:
778:
776:
774:
759:
753:
752:
750:
748:
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609:
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583:
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576:
574:
572:
566:
560:. Archived from
559:
550:
544:
543:
541:
539:
520:
434:computer cooling
381:Tyco Electronics
217:
203:, and VPX boards
138:embedded systems
119:Northrop Grumman
71:switched fabrics
49:, also known as
21:
1771:
1770:
1766:
1765:
1764:
1762:
1761:
1760:
1746:
1745:
1744:
1739:
1730:
1721:
1680:
1659:
1608:
1521:IEEE-488 (GPIB)
1444:
1340:
1319:Infinity Fabric
1149:Europe Card Bus
1092:
1026:
1007:
965:
964:
961:
956:
955:
946:
945:
941:
932:
931:
927:
917:
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901:
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886:
884:
871:
870:
866:
856:
854:
852:Defense Systems
845:
844:
840:
830:
828:
827:on June 9, 2011
824:
817:
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808:
798:
796:
787:
786:
782:
772:
770:
761:
760:
756:
746:
744:
736:
735:
731:
721:
719:
714:Shaw, Patrick.
713:
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423:
377:
181:
166:multiprocessing
142:switched fabric
103:Elma Electronic
83:
28:
23:
22:
15:
12:
11:
5:
1769:
1767:
1759:
1758:
1756:Computer buses
1748:
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1667:
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1661:
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1658:
1657:
1652:
1647:
1642:
1637:
1632:
1630:Intel HD Audio
1627:
1622:
1620:ADAT Lightpipe
1616:
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1607:
1606:
1601:
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1354:
1348:
1346:
1342:
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1339:
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1333:
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1323:
1322:
1321:
1314:HyperTransport
1311:
1306:
1301:
1296:
1291:
1286:
1281:
1276:
1271:
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1251:
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1201:
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1156:
1151:
1146:
1141:
1136:
1131:
1126:
1121:
1116:
1111:
1106:
1100:
1098:
1094:
1093:
1091:
1090:
1085:
1080:
1075:
1070:
1068:Bus contention
1065:
1060:
1055:
1050:
1045:
1043:Front-side bus
1040:
1034:
1032:
1028:
1027:
1024:computer buses
1008:
1006:
1005:
998:
991:
983:
977:
976:
960:
959:External links
957:
954:
953:
939:
925:
894:
864:
838:
806:
780:
754:
729:
706:
682:
656:
630:
604:
578:
545:
534:on May 4, 2012
514:
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326:
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324:ANSI ratified
322:
319:
315:
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313:ANSI ratified
311:
308:
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302:ANSI ratified
300:
297:
293:
292:
291:ANSI ratified
289:
286:
282:
281:
280:ANSI ratified
278:
275:
271:
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269:ANSI ratified
267:
264:
260:
259:
258:ANSI ratified
256:
253:
249:
248:
247:ANSI ratified
245:
242:
238:
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236:ANSI ratified
234:
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197:
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99:Curtiss-Wright
82:
79:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
1768:
1757:
1754:
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1738:
1724:
1718:
1715:
1713:
1710:
1707:
1703:
1700:
1698:
1695:
1693:
1692:Multidrop bus
1690:
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1677:
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1602:
1600:
1599:External PCIe
1597:
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1592:
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1587:
1585:
1582:
1580:
1579:Parallel SCSI
1577:
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1565:
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1474:
1472:
1471:Commodore bus
1469:
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1457:
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1453:
1451:
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1440:
1436:
1432:
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1427:
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1422:
1420:
1419:Fibre Channel
1417:
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1107:
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1101:
1099:
1095:
1089:
1086:
1084:
1083:Plug and play
1081:
1079:
1076:
1074:
1073:Bus mastering
1071:
1069:
1066:
1064:
1061:
1059:
1056:
1054:
1051:
1049:
1048:Back-side bus
1046:
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1035:
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909:
905:
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895:
882:
878:
877:Press release
874:
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42:3U VPX module
40:
32:
19:
1224:TURBOchannel
1213:
1014:
942:
928:
916:. Retrieved
912:the original
907:
897:
885:. Retrieved
881:the original
876:
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829:. Retrieved
822:the original
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569:. Retrieved
562:the original
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536:. Retrieved
532:the original
527:
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467:
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431:
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394:
390:
378:
335:Now VITA 66
212:
209:
182:
174:
135:
88:
84:
55:computer bus
50:
46:
45:
1697:CoreConnect
1676:ExpressCard
1604:Thunderbolt
1594:Camera Link
1377:Bus and Tag
1063:Address bus
1058:Control bus
1053:Daisy chain
918:November 3,
887:November 3,
857:November 3,
831:November 3,
799:November 3,
773:November 6,
675:November 6,
649:November 3,
623:November 6,
597:November 3,
571:November 6,
538:November 3,
400:usable as:
362:VITA 46.21
351:VITA 46.20
340:VITA 46.13
329:VITA 46.12
318:VITA 46.11
307:VITA 46.10
146:PCI Express
61:. Some are
1550:ACCESS.bus
1449:Peripheral
1249:InfiniBand
1244:HP GSC bus
1038:System bus
747:30 October
722:7 February
700:2021-12-03
510:References
479:CompactPCI
296:VITA 46.9
285:VITA 46.7
274:VITA 46.6
263:VITA 46.4
252:VITA 46.3
241:VITA 46.1
230:VITA 46.0
154:Infiniband
127:rack units
1511:Lightning
1461:Atari SIO
1336:SpaceWire
1169:Zorro III
1109:S-100 bus
1104:SS-50 bus
1097:Standards
1017:standards
1010:Technical
499:Futurebus
375:Connector
1750:Category
1737:Category
1712:Wishbone
1685:Embedded
1664:Portable
1584:Profibus
1516:DMX512-A
1402:Parallel
1254:Ethernet
1164:Zorro II
1114:Multibus
1015:de facto
473:See also
346:Planned
123:Eurocard
1717:SLIMbus
1671:PC Card
1655:TOSLINK
1345:Storage
1299:RapidIO
1179:FASTBUS
1134:STD Bus
1031:General
455:PowerPC
225:Status
150:RapidIO
111:Kontron
81:History
51:VITA 46
18:OpenVPX
1650:S/PDIF
1541:1-Wire
1506:RS-485
1501:RS-423
1496:RS-422
1491:RS-232
1352:ST-506
1309:NVLink
1159:STEbus
1119:Unibus
504:VMEbus
427:VMEbus
368:Draft
357:Draft
222:Title
117:, and
95:Boeing
91:ADLINK
67:VMEbus
1645:McASP
1613:Audio
1558:SMBus
1554:PMBus
1536:UNI/O
1476:HP-IL
1429:SATAe
1414:ESCON
1387:HIPPI
1219:NuBus
1174:CAMAC
1144:Q-Bus
1139:SMBus
1124:VAXBI
1021:wired
825:(PDF)
818:(PDF)
565:(PDF)
558:(PDF)
494:PCI-X
451:Intel
1702:AMBA
1640:MADI
1625:AES3
1486:MIDI
1439:NVMe
1435:AHCI
1397:SCSI
1382:DSSI
1357:ESDI
1234:SBus
1194:EISA
1129:MBus
1019:for
1012:and
920:2021
889:2021
859:2021
833:2021
801:2021
775:2021
749:2023
724:2022
677:2021
651:2021
625:2021
599:2021
573:2021
540:2021
453:and
438:IEEE
156:and
63:ANSI
1706:AXI
1635:I²S
1589:USB
1574:D²B
1569:SPI
1564:I3C
1546:I²C
1481:HIL
1466:DCB
1437:or
1424:SSA
1407:SAS
1367:SMD
1362:IPI
1284:AGP
1274:PXI
1264:PCI
1259:UPA
1239:VLB
1229:MCA
1214:VPX
1209:VXS
1204:VXI
1199:VME
1184:LPC
1154:ISA
489:VXI
201:VXS
47:VPX
1752::
1556:,
1552:,
906:.
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542:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
