Abstract: In some examples, an apparatus is to adjust charge termination voltage. The apparatus includes a controller to adjust a charge termination voltage of a charger of a rechargeable energy storage device based on a comparison of a first threshold level with the voltage of the rechargeable energy storage device during peak load. The charge termination voltage is a voltage at which the rechargeable energy storage device has capacity to support peak load of a system. The controller is to adjust the charge termination voltage based on a comparison of a second threshold level with an end voltage of the rechargeable energy storage device after peak load.

Abstract: Various embodiments are generally directed to an apparatus, method and other techniques to receive a packet via an optical fabric, the packet comprising a switch mode indicator, determine a switch mode for the packet based on the switch mode indicator, and process the packet in accordance with a first protocol or a second protocol based on the switch mode.

Abstract: Apparatus and methods for rack level pre-installed interconnect for enabling cableless server, storage, and networking deployment. Plastic cable waveguides are configured to couple millimeter-wave radio frequency (RF) signals between two or more Extremely High Frequency (EHF) transceiver chips, thus supporting millimeter-wave wireless communication links enabling components in the separate chassis to communicate without requiring wire or optical cables between the chassis. Various configurations are disclosed, including multiple configurations for server chassis, storage chassis and arrays, and network/switch chassis. A plurality of plastic cable waveguide may be coupled to applicable support/mounting members, which in turn are mounted to a rack and/or top-of-rack switches. This enables the plastic cable waveguides to be pre-installed at the rack level, and further enables racks to be installed and replaced without requiring further cabling for the supported communication links.

Abstract: Methods and apparatuses related to guardband recovery using in situ characterization are disclosed. In one example, a system includes a target circuit, a voltage regulator to provide a variable voltage to, a phase-locked loop (PLL) to provide a variable clock to, and a temperature sensor to sense a temperature of the target circuit, and a control circuit, wherein the control circuit is to set up a characterization environment by setting a temperature, voltage, clock frequency, and workload of the target circuit, execute a plurality of tests on the target circuit, when the target circuit passes the plurality of tests, adjust the variable voltage to increase a likelihood of the target circuit failing the plurality of tests and repeat the plurality of tests, and when the target circuit fails the plurality of tests, adjust the variable voltage to decrease a likelihood of the target circuit failing the plurality of tests.

Abstract: Technologies for rack cooling includes monitoring a temperature of a sled mounted in a rack and controlling a cooling system of the rack based on the temperature of the sled. The cooling system includes a cooling fan array, which may be controlled to cool the sled. Additionally, if needed, one or more adjacent cooling fan arrays that are located adjacent to the controlled cooling fan array may be adjusted to provide additional cooling to the sled.

Abstract: A rack for supporting sleds includes a pair of elongated support posts and pairs of elongated support arms that extend from the elongated support posts. Each pair of the elongated support arms defines a sled slot to receive a corresponding sled. A power supply is attached to an elongated support arm of each pair of elongated support arms to provide power to a corresponding sled. The power supply may include a chassis-less circuit board substrate that is removable from a power supply housing coupled to the corresponding elongated support arm.

Abstract: Examples may include racks for a data center and sleds for the racks, the sleds arranged to house physical resources for the data center. The sleds and racks can be arranged to be autonomously manipulated, such as, by a robot. The sleds and racks can include features to facilitate automated installation, removal, maintenance, and manipulation by a robot.

Abstract: Examples may include a sled for a rack of a data center including physical storage resources. The sled comprises an array of storage devices and an array of memory. The storage devices and memory are directly coupled to storage resource processing circuits which are themselves, directly coupled to dual-mode optical network interface circuitry. The circuitry can store data on the storage devices and metadata associated with the data on non-volatile memory in the memory array.

Abstract: Sleds for operation in racks of data centers are disclosed herein. A sled includes a circuit board substrate, one or more physical resources, and one or more memory devices. The circuit board substrate has a top side and a bottom side arranged opposite the top side. The one or more physical resources are coupled to the top side of the circuit board substrate. The one or more memory devices are coupled to the bottom side of the circuit board substrate. Additionally, the sled includes a connector to electrically couple the one or more physical resources to the one or more memory devices.

Abstract: A configurable processor module includes a central processing unit (CPU) package mounted to a CPU substrate, which may be mounted to a circuit board substrate. The CPU substrate may include physical resources usable by the CPU package, which may not be included or duplicated on the circuit board substrate. As such, features of the CPU package that are unavailable on the circuit board substrate may be available on the CPU substrate. Additionally, the CPU substrate and physical resources may be selected and designed so as to provide varying levels of functionality across different compute devices that use the same type of CPU package.

Abstract: Techniques for implementing assess to Android applications and native Window application on Android devices and systems. A processor board includes a processor that is configured to run a full version of a Windows operating system and Windows applications. The processor board is configured to be communicatively coupled to the processor board in an Android device, such as a Smartphone or tablet. Upon operations and when the processor board is communicatively coupled to the Android device, a user of the Android device is enabled to selectively run Android applications and Windows applications, with the Windows applications being executed natively on the processor board. The processor board may be implemented in a computing card that is approximately the size of a credit card or smaller, which in turn may be coupled to the Android device via a backpack or similar means. The processor board may also be disposed within the same housing as the Android device.

Abstract: Technologies for utilizing a split memory pool include a compute sled. The compute sled includes multiple processors communicatively coupled together through a processor communication link. Each processor is to communicate with a different memory sled through a respective memory network dedicated to the corresponding processor and memory sled. The compute sled includes a compute engine to generate a memory access request to access a memory address in far memory. The far memory includes memory located on one of the memory sleds. The compute engine is also to determine, as a function of the memory address and a map of memory address ranges to the memory sleds, the memory sled on which to access the far memory, and send the memory access request to the determined memory sled to access the far memory associated with the memory address.

Abstract: Mobile computing device technology and systems and methods using the same are described herein. In particular, mobile computing devices that may serve as a processing component of a disaggregated computing system described, non-integral screens that may be paired with the mobile computing devices, and systems and methods using such devices and screens are described. In some embodiments, the mobile computing device technology includes a mobile computing device that lacks an integral screen, but which is capable of throwing at least video information to a non-integral target screen, e.g., via a paired connection established over a wired or wireless communication interface.

Abstract: Technologies for optical communication in a rack cluster in a data center are disclosed. In the illustrative embodiment, a network switch is connected to each of 1,024 sleds by an optical cable that enables communication at a rate of 200 gigabits per second. The optical cable has low loss, allowing for long cable lengths, which in turn allows for connecting to a large number of sleds. The optical cable also has a very high intrinsic bandwidth limit, allowing for the bandwidth to be upgraded without upgrading the optical infrastructure.

Abstract: Technologies for switching network traffic include a network switch. The network switch includes one or more processors and communication circuitry coupled to the one or more processors. The communication circuitry is capable of switching network traffic of multiple link layer protocols. Additionally, the network switch includes one or more memory devices storing instructions that, when executed, cause the network switch to receive, with the communication circuitry through an optical connection, network traffic to be forwarded, and determine a link layer protocol of the received network traffic. The instructions additionally cause the network switch to forward the network traffic as a function of the determined link layer protocol. Other embodiments are also described and claimed.

Abstract: Apparatus and methods for cableless connection of components within chassis and between separate chassis. Pairs of Extremely High Frequency (EHF) transceiver chips supporting very short length millimeter-wave wireless communication links are configured to pass radio frequency signals through holes in one or more metal layers in separate chassis and/or frames, enabling components in the separate chassis to communicate without requiring cables between the chassis. Various configurations are disclosed, including multiple configurations for server chassis, storage chassis and arrays, and network/switch chassis. The EHF-based wireless links support link bandwidths of up to 6 gigabits per second, and may be aggregated to facilitate multi-lane links.

Abstract: Examples may include a sled for a rack of a data center including physical storage resources. The sled comprises an array of storage devices and an array of memory. The storage devices and memory are directly coupled to storage resource processing circuits which are themselves, directly coupled to dual-mode optical network interface circuitry. The dual-mode optical network interface circuitry can have a bandwidth equal to or greater than the storage devices.

Abstract: A sled for operation in a corresponding rack of a data center includes a chassis-less circuit board substrate having one or more physical resources coupled to a top side of the chassis-less circuit board and one or more memory devices coupled to a bottom side of the chassis-less circuit board. The sled does not include a housing or chassis and is opened to the local environment. In the illustrative embodiments, the sled may be embodied as a compute sled, an accelerator sled, or a storage sled.

Abstract: Technologies for optical communication in a rack cluster in a data center are disclosed. In the illustrative embodiment, a network switch is connected to each of 1,024 sleds by an optical cable that enables communication at a rate of 200 gigabits per second. The optical cable has low loss, allowing for long cable lengths, which in turn allows for connecting to a large number of sleds. The optical cable also has a very high intrinsic bandwidth limit, allowing for the bandwidth to be upgraded without upgrading the optical infrastructure.

Abstract: Technologies for switching network traffic include a network switch. The network switch includes one or more processors and communication circuitry coupled to the one or more processors. The communication circuity is capable of switching network traffic of multiple link layer protocols. Additionally, the network switch includes one or more memory devices storing instructions that, when executed, cause the network switch to receive, with the communication circuitry through an optical connection, network traffic to be forwarded, and determine a link layer protocol of the received network traffic. The instructions additionally cause the network switch to forward the network traffic as a function of the determined link layer protocol. Other embodiments are also described and claimed.