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Enclosure heights are multiples of 3U, with the cards always 33.35 mm (1.313 in) shorter than the enclosure. Two common heights are 3U (a 100 mm card in a 5.25 in (133.35 mm) subrack) and 6U (a 233.35 mm card in a 10.5 in (266.70 mm) high subrack). As two 3U
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Card depths start at 100 mm (3.937 in) and increase in 60 mm (2.362 in) increments. The most common today is 160 mm (6.299 in), but standard hardware is available for depths of 100 mm (3.937 in), 160 mm (6.299 in), 220 mm (8.661 in),
151:. The chassis consists of a series of slotted card guides on the top and bottom, into which the cards are slid so they stand on end, like books on a shelf. At the spine of each card is one or more connectors which plug into mating connectors on a backplane that closes the rear of the chassis.
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Because the
Eurocard system provided for so many modular card sizes and because connector manufacturers have continued to create new connectors that are compatible with this system, it is a popular mechanical standard that is also used for innumerable "one-off" applications.
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As the cards are assumed to be installed in a vertical orientation, the usual meanings of height and width are transposed: A card might be 233.35 mm "high", but only 20 mm "wide". Height is measured in
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standard, which was IEEE 1014. The connector known as the 5-row DIN, which is used for the VME64 Extensions standard is IEC 61076-4-113. The VME64 Extension architecture defined by VITA 1.1-1997 (R2002).
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cards are shorter than a 6U card (by 33.35 mm), it is possible to install two 3U cards in one slot of a 6U subrack, with a mid-height structure for proper support.
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A single card is 100 mm high. Taller cards add a 133.35 mm, so that a double height card is 233.35 mm high and a triple 366.7 mm high.
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The
Eurocard is a mechanical system and does not define the specific connector to be used or the signals that are assigned to connector contacts.
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Conduction-cooled
Eurocards are used in military and aerospace applications. They are defined by the IEEE 1101.2-1992 (2001) standard.
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1101.1, IEEE 1101.10 (also known commonly as "dot ten") and IEEE 1101.11. IEEE 1101.10 covers the additional mechanical and
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connector that is also standardized as IEC 60603.2. This is the connector that is used for the
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The connector systems that are commonly used with
Eurocard architectures include the original
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280 mm (11.024 in), 340 mm (13.386 in), and 400 mm (15.748 in).
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Another popular computer architecture that utilizes the 6U-160 Eurocard is
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The IEEE 1101.11 standard covers rear plug-in units that are also called
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Standard for PCBs which may be interconnected in a rack mounted chassis
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1.1-1997(R2002), which is the VME64 Extensions standard, as well as
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The
Eurocard mechanical architecture was defined originally under
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A computer architecture that used the 6U-220 Eurocard format was
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Valid
Eurocard sizes. Dimensions in mm. Connectors on the right.
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units "HP", with 1 HP being 0.20 in (5.08 mm).
56:. Unsourced material may be challenged and removed.
398:The Eurocard standard is also the basis of the "
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493:Anderson, Alexander John (25 October 2020).
132:STEbus 68008 processor on 100x160mm Eurocard
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116:Learn how and when to remove this message
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404:modular electronic music synthesizers
65:"Eurocard" printed circuit board
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54:adding citations to reliable sources
496:Foundations of Computer Technology
375:PCI eXtensions for Instrumentation
371:VME eXtensions for Instrumentation
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174:Card widths are specified in
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450:"Eurocard bus standards"
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324:features required for
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527:Electronics standards
454:Electronics and Power
145:printed circuit board
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466:10.1049/ep.1983.0192
143:standard format for
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367:CompactPCI Express
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48:Please help
43:verification
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386:Multibus-II
379:PXI Express
377:(PXI), and
314:IEC-60297-3
436:References
363:CompactPCI
334:CompactPCI
162:rack units
155:Dimensions
106:March 2024
76:newspapers
351:DIN 41612
343:or RTMs.
521:Category
414:See also
400:Eurorack
218:+0/−0.3
137:Eurocard
18:Eurorack
408:Doepfer
373:(VXI),
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425:VMEbus
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97:JSTOR
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