An electronics assembly including a plurality of midplanes positioned between and coupled to a plurality of electronic components at one side of the plurality of midplanes and at least one electronic component at an opposite side of the plurality of midplanes in a manner so that the midplanes are vertically oriented in parallel relative to each other so as to define spaces therebetween. The midplanes each include electrical traces configured to send signals among and between the plurality of electronic components at the one side of the midplanes and the at least one electronic component at the opposite side of the midplanes.

A device having fool-proofing structure is configured to be inserted into a cabinet along a first direction and includes a case and an elastic sheet module. The elastic sheet module is disposed on a side of the case and includes a first end disposed on the case, a second end opposite to the first end, a first protrusion portion and a second protrusion portion. The first protrusion portion is adjacent to the second end, protrudes from the case and is configured to abut against the cabinet. The second protrusion portion is farther from the second end than the first protrusion portion, protrudes from the case, and is configured to make the second end and the first protrusion portion move toward the interior of the case as being pressed by a force.

An information handling system includes a chassis having multiples sleds and an embedded controller. The embedded controller retrieves relative impedances for all of the sleds, and calculates a maximum available airflow for the first sled based the relative impedances of all other sleds. A baseboard management controller (BMC) of a first sled requests a boot operation for the first sled. The BMC collects configuration information for the first sled, and determines an airflow impedance of the first sled based on the configuration information. The BMC provides the airflow impedance and a power allocation request to the embedded controller. The BMC compares the maximum available airflow to a minimum airflow requirement for the first sled. If the maximum available airflow is less than the minimum airflow requirement, the BMC implements power limits for processors in the first sled to prevent overheating of components within the first sled.

A fan cage is at least adapted to a first fan and a second fan smaller than the first fan. The fan cage includes a cage body and an adjustment member. The cage body defines a first accommodation portion in a size fitting the first fan. The adjustment member is movably disposed on the cage body and switchable between a laid down status and an upright status within the first accommodation portion. When the adjustment member is in the upright status, the adjustment member is upright in the first accommodation portion so that the adjustment member and the cage body together define part of the first accommodation portion as a second accommodation portion in a size fitting the second fan.

One variation of a modular computer system includes: a chassis; an expansion slot; and an expansion card. The chassis includes a main board. The expansion slot: is arranged on a lateral side of the chassis; and defines a receptacle inset a bottom side of the chassis. The expansion slot includes: a latching member arranged within the receptacle; and a female connected to the main board. The expansion card includes: an enclosure configured to couple within the receptacle; a latch receiver configured to transiently couple the latching member to maintain the first enclosure within the first receptacle; and a male connector extending from the enclosure, and configured to interface the female connector of the expansion slot. The expansion card further includes an external port arranged at the enclosure and configured to interface with an external device.

Disclosed herein is a computer circuit card cage system configured to house one or more computer circuit cards. The computer circuit card cage system can comprise a housing comprising one or more walls having one or more apertures formed therein. The computer circuit card cage system can further comprise one or more support rails supported on one or more of the walls and configured to support a computer circuit card. The one or more support rails can have one or more apertures formed therein to facilitate flow of a fluid through the one or more support rails. The flow path of the fluid is through the one or more apertures in the walls of the housing, and the one or more apertures in the support rails.

A radio frequency (RF) front end device has a signal traveling from a first antenna to a second antenna in an uplink path and a signal traveling from a third antenna to a fourth antenna in a downlink path. The device is under the control of automatic on/off controller (AOOC) which upon receiving a signal indication from a receive signal detector and amplifier (RSDA) turns on the operations of power amplifier (PA) and simultaneously turns off a low noise amplifier (LNA). This LNA is turned off when the power amplifier is turned on to prevent uplink path and downlink path forming a feedback loop which would result in oscillation, noise and interference.

A computer chassis includes a mounting hub configured to be coupled between a display device and a computer support structure and a chassis frame configured to be removably received by the mounting hub. In some examples, the chassis frame comprises a central bracket and a pair of frame arms extending from the central bracket. Each frame arm may be configured to support one or more computer components in a customizable arrangement. The central bracket may include a channel configured to receive a cable connecting a computer component attached to a first one of the frame arms to a computer component attached to a second one of the frame arms. At least a portion of the cable management channel may be disposed between the portions of the mounting hub configured to couple to the display device and computer support structure respectively.

A buckle base and buckle-fixing pin combination to be used in fixing a printed circuit board to a sheet includes a buckle base and a buckle-fixing pin. The buckle base is in a generally U-shaped form. The buckle base includes a first leg, a second leg, and a bridge therebetween. The first and second legs are connected to the bridge. The buckle-fixing pin forms a longitudinal slot therein.

A latch mechanism for securing an expansion card assembly in a computer chassis includes a lever, a stop member, a rotary latch, a first biasing structure, and a second biasing structure. The lever includes a latching end and an opposing pinned end. The stop member extends from the pinned end. The rotary latch is connected to the latching end and includes a receiving chamber and a hook structure. The hook structure includes a notch for receiving a stop pin. The first biasing structure extends from the lever into the receiving chamber and is configured to urge the rotary latch into a locked position. The second biasing structure is configured to urge the lever about the pinned end to an open position.