Such replacements of CPU and memory system components were possible because the Aster CT-80 was designed to use a backplane that was designed to support both 8 and 16 bit processors, and used a modular Eurocard based design with slots to spare for expansion.

The standardized backplane and I / O signals created a simple, efficient I / O design that made interfacing programmed I / O and Data Channel devices to the Nova simple compared to competing machines.

Trapezoidal Transceivers have a controlled risetime and make backplane and bus design much simpler.

VAXBI cards mounted into backplanes using a ZIF connector ; depending on the backplane design, cards could be loaded from the top or the front side of the backplane.

Inside the unit, there is a backplane board mounted to the bottom of the case, that provides six interface slots that have the same number of pins and bus design as NuBus connectors.

Which slots are interconnected depends on the particular backplane design.

The Futurebus technology is currently used as an internal backplane technology for systems such as routers.

In fact many systems are implemented with no PCI bus on the backplane, such as those implemented with switched Ethernet board interconnection ( PICMG 2. 16 ).

Reflected-wave switching is a signalling technique used in backplane computer buses such as PCI.

MIDI information could be used on the backplane that linked the elements of the workstation together, connecting the input devices to the synthesizers, or it could be sent to another device or received from another device.

When a backplane is used with a plug-in single board computer ( SBC ) or system host board ( SHB ), the combination provides the same functionality as a motherboard, providing processing power, memory, I / O and slots for plug-in cards.

For example, an SBC with the latest i7 processor could interface with a backplane providing up to 19 ISA slots to drive legacy I / O cards.

In addition to its dedicated I / O bus structure, the Nova backplane had wire wrap pins that could be used for non-standard connectors or other special purposes.

* The Omnibus ( a backplane of undedicated system bus slots ) introduced in the PDP-8 / E

* VT71 — Terminal with LSI-11 / 03 and QBUS backplane with direct mapped character display for text editing and typesetting.

To quote from the standards website, SCI is a: " combination computer backplane bus, processor memory bus, I / O bus, high performance switch, packet switch, ring, mesh, local area network, optical network, parallel bus, serial bus, information sharing and information communication system that provides distributed directory based cache coherency for a global shared memory model and uses electrical or fiber optic point-to-point unidirectional cables of various widths.

The DSP90 was a fileserver built using a standard Multibus backplane and I / O controllers.

Each CPU had its own private, unshared memory, its own I / O processor, its own private I / O bus to connect to I / O controllers, and dual connections to all the other CPUs over a custom inter-CPU backplane bus called Dynabus.

To solve this, the backplane ORs the / CFGIN and / CFGOUT signals to form the / CFGIN for the next slot (/ CFGOUT is pulled low if undriven ), which allows empty slots to be bypassed.

1981 ) defined a computer interface which included implementation of a board-level computer installed in a chassis backplane with multiple slots for pluggable boards to provide I / O, memory, or additional computing.

Its product line includes AMIBIOS ( a BIOS ), Aptio ( a successor to AMIBIOS8 based on the UEFI standard ), diagnostic software, remote access firmware, motherboards, SGPIO backplane controllers, driver / firmware development, service processors, and NAS and IP-SAN storage systems for SMBs.

They used the AAL1gator designed by Network Synthesis, acquired by Integrated Telecom Technology in 1996, and further acquired by PMC-Sierra in 1998 to both implement their Circuit Emulation Service as well as to just carry T1 / E1 signals across their backplane.

Unlike the popular ATX form factor which utilizes the PCI bus and is currently used for most PCs, the PC / 104 form factor has no backplane, and instead allows modules to stack together like building blocks.

The attached figure shows the basic layout of a CompactPCI / PXI Express backplane and illustrates how PCI Express is integrated into backplanes while preserving compatibility with current PXI modules.

A MXI link consist of a PXI card and a PCI / CompactPCI card that provides a PC with direct control over the PXI backplane and connected cards.

The printed backplane of the I / O bus was modular in groups of 8 interface slots.

At the " back " of each card is one or more connectors, which plug into mating connectors on a backplane which closes the rear of the subrack.

A backplane computer bus is a type of multilayer printed circuit board that has at least one ( almost ) solid layer of copper called the ground plane, and at least one layer of copper tracks that are used as wires for the signals.

One drawback of reflected-wave switching is that each pulse may need to travel twice the length of the backplane ( one complete journey for the incident wave, and another for the reflected wave ), so a delay must be maintained between adjacent pulses to allow for the travel time.

Each SLT module had a socket on one edge that plugged into pins on the computer's backplane ( the exact reverse of how most other company's modules were mounted ).

Drives employing SCA have only one plug which carries both data and power and also allows them to receive their configuration parameters from the SCSI backplane.

Interfaces for mass storages as disk, drum, magtape, etc., were built with one interface card to be plugged at the appropriate place in the bus system, the remaining control cards ( 6-7 ) were placed in one of the backplane modules.

* Exactly one network master, in most cases in the form of a Gateway to a higher level industrial network or a PLC backplane card,

The 400 series included 4 expansion slots ( although a 2 slot backplane could be added to the 300 series as an official upgrade, and third parties produced their own 4 slot backplanes ) and an ST506 controller for an internal hard drive.

The expansion card ( also expansion board, adapter card or accessory card ) in computing is a printed circuit board that can be inserted into an expansion slot of a computer motherboard or backplane to add functionality to a computer system via the expansion bus.

PCI Express electrical lanes run from the system slot ( either an embedded controller or MXI link ) to the hybrid slots, providing a high-bandwidth path from the controller to the backplane slots.

The system controller slot is capable of supporting up to a x16 PCI Express link, plus a x8 link, providing a total of transfer capacity to the PXI backplane.

However PXI modules that have implemented the J2 backplane connector require minor factory modification by the instrument vendor to allow operation in the PXI Express hybrid slot ( the majority of PXI cards implement J2 ).

Servers commonly have a backplane to attach hot swappable hard drives ; backplane pins pass directly into hard drive sockets without cables.

Early microcomputer bus systems were essentially a passive backplane connected directly or through buffer amplifiers to the pins of the CPU.

The backplane would be mounted vertically in a chassis oriented front to back and the plug-in SBC and cards would lay flat, protruding out both sides of the backplane.

Instead, the keyboard switches were digitally scanned, and control signals sent over a computer backplane where they were inputs to the computer processor, which would then route the signals to the synthesis modules, which were output devices on the backplane.

However, as those models ' stock cases would not accept the company's large existing inventory of Zephyrus ISA demodulator cards, only their motherboards were used, in custom-designed cases with riser card and backplane modifications.