Methods and apparatus for efficient scaling of fabric architectures such as those based on PCIe technology, including up to very large fabrics and numbers of hosts/devices for use in ultra-high performance applications such as for example data centers and computing clusters. In one aspect, methods and apparatus for using Non-Transparent Bridge (NTB) technology to export Message Signaled Interrupts (MSIs) to external hosts are described. In a further aspect, an IO Virtual Address (IOVA) space is created is used as a method of sharing an address space between hosts, including across the foregoing NTB(s). Additionally, a Fabric Manager (FM) entity is disclosed and utilized for programming e.g., PCIe switch hardware to effect a desired host/fabric configuration.

A method for communicating between a master and a plurality of slaves includes generating a communication frame including generating a slave data frame in each slave. The slave data frame has a data packet including one or more data bytes and at least one gap of variable time length comprising no information in the slave data frame. The gap may be at the beginning of said slave data frame before the beginning of the first data byte of said data packet and/or at the end of said data packet after the end of a last data byte of said data packet, where the gaps have a time length dependency based on parameters locally stored in each of said at least one slave. The slave data frame is transmitted sequentially where the gap increases for each subsequent slave.

A peripheral device includes a bus interface and circuitry. The bus interface is configured to connect to a peripheral bus for communicating with a host in accordance with a peripheral-bus specification that specifies a physical reset signal asserted by the host. The circuitry is configured to execute predefined logic that evaluates a reset condition that is indicative of imminent assertion of the physical reset signal by the host, and to perform a reset procedure in response to meeting the reset condition.

Disclosed by the present application are a method, master device and system for data communication. The method comprises: initiating a communication signal to an interface in an interface module; when response information from a slave device connected in the interface is received, adding physical ID information of the interface into an online queue, wherein the probability that interfaces in the online queue is subsequently initiated by the communication signal is higher than that of interfaces in an idle queue; and receiving data information transmitted by the slave device in the interface. The data communication master device of the present application comprises a communication signal initiation unit, an online interface identification unit and a data information receiving unit corresponding to the implementation of steps of the described method. Therefore, the communication network for multiple slave devices and a master device has high communication efficiency.

In an embodiment, a current source is coupled to a first current terminal of a switch, the second current terminal of which is coupled to a first data line in a communication system. An edge detector has a first input, a second input, and an output, in which the first input is coupled to a second data line in the communication system, the second input is coupled to the first data line, and the output is coupled to a control terminal of the switch. The first and second data lines may be positive and negative data lines, respectively, of the communication system.

Various embodiments provide a method performed by a handheld device and the handheld device, where a USB interface of the handheld device with an infrared remote control application is connected to a port of a display device by using an adapter cable, the handheld device determines that a preset source port of the display device is not the connected port, and automatically switches the source port to the connected port by using the infrared remote control application. The handheld device sends to-be-displayed content of the handheld device to the display device by using the USB interface, the adapter cable, and the connected port to enable the display device to display the to-be-displayed content.

A replaceable frame assembly is disclosed, which comprises: a base plate, a first fixing unit, a second fixing unit, a front panel, at least one first electrical connection interface, a second electrical connection interface, a third electrical connection interface, and a fixation plate. The replaceable frame assembly is adopted for accommodating an expansion card module, and can be disposed in a case of an electronic device. After being disposed in the case, an electrical connection end of the first electrical connection interface is embedded into an electrical slot that is disposed on a main board, such that the expansion card module communicates with the main board through the second electrical connection interface, the third electrical connection interface, the first electrical connection interface, and the electrical slot, thereby making the expansion card module become a functional electronic module of the electronic device.

IoT devices are usually single-purpose devices with a set of instructions and parameters. This disclosure relates to a versatile framework that overcomes technical challenges for repurposing nodes operating in an IoT environment. Specifically, this disclosure describes security and functionality adaptations for versatile nodes (“vnodes”) operating within an IoT environment. Vnodes may include segmented data storage locations that allow multiple set of instructions and parameters to be stored on the vnode. The multiple sets of instructions/parameters may allow a vnode to perform a wide range of activities in different IoT operating environments. For example, a vnode may attach to a car during a trip then attach itself to the garage door, then re-attach to the car in the morning. Data storage may be segmented and allow data sharing between segmented storage locations. Data storage may be segmented and not allow data sharing between storage locations and thereby increases data controls.

An information handling system may include a processor, a management controller communicatively coupled to the processor and configured for out-of-band management of the information handling system, and a smart network interface card communicatively coupled to the processor and the management controller, and configured to obtain a secret for authenticating the smart network interface card to the management controller, request an access token reference from the management controller, the request including the secret and an identifier of the smart network interface card in order to authenticate the smart network interface card to the management controller, in response to the request for the access token reference, receive the access token reference, and communicate a management task request to the management controller using the access token reference.

An information reading system includes an information reading device and a device-to-be-identified. The information reading device includes a first signal pin, a second signal pin, and a control module, and the device-to-be-identified includes a third signal pin and a ground pin. The control module is configured to, when recognizing that the device-to-be-identified is inserted, control the first signal pin to connect to the third signal pin of the device-to-be-identified, and control the second signal pin to connect to the ground pin, to form a first single-wire path, and attempt to read anti-counterfeiting information stored in the device-to-be-identified by using the first single-wire path.