KR100862299B1 - Mother Board Supporting Apparatus for Graphic Memory Mounting Test System - Google Patents

Abstract

The present invention supports the motherboard having a graphics card insertion slot of various sizes or various positions to be located in a predetermined position of the test system by inserting the graphics card to various types of motherboard and then connected to the graphics memory to test The present invention relates to a motherboard support for a graphics memory test system.

The present invention provides a motherboard support apparatus for a graphics memory test system for testing performance while a graphics memory is mounted on the graphics card while the graphics card inserted into the graphics card insertion slot of the motherboard is fixed on the test die. The rear side of the test die is installed to have a height higher than the test die, the rear wall bolt fastening hole is formed at the predetermined position of the edge and the plate to be matched to the bolt fastening hole for the rear wall when joining the rear wall The bolt fastening hole is formed at a predetermined position of the edge, and the bag supporting the motherboard so that the length from the top or bottom of the plate bolt fastening hole to the graphic card insertion slot of the motherboard becomes a predetermined value. Consisting of plates, A's and various types of motherboard with the graphics card insertion slot of different positions characterized in that one to be tested is secured on the test die.

Semiconductor, Graphics, Memory, Cards, Cooling, Mounting, Test, Motherboard, Support

Description

Motherboard Supporting Apparatus for Graphic Memory Mounting Test System}

1 is a perspective view showing the overall structure of a graphic memory package test system to which the present invention is applied;

FIG. 2 is a cross-sectional view of the heat sink vertically cut in FIG. 1;

3 is a plan view schematically showing a motherboard support apparatus of the test system for testing graphics memory mounting of the present invention;

Figure 4 is an exploded cross-sectional view schematically showing the motherboard support apparatus of the test system for testing graphics memory mounting of the present invention.

*** Explanation of symbols for the main parts of the drawing ***

100: attached room, 102: attached room box,

104: rear wall, 104a: bolt fastener,

108: bolt, 110: power supply,

120: cooling fan, 130: control panel,

140: connector, 200: test die,

210: card support plate, 220: graphics card,

230: heat sink, 240: test socket portion,

250: air guide, 252: exhaust slit,

254: fixing bracket, 260: cooling fan,

270: heatsink,

300: motherboard case, 302: card slit,

310: back plate, 312: bolt fasteners,

314: motherboard seat, 316: bolt fasteners,

320: motherboard, 322: card insertion slot,

324: bolt fasteners, 326: bolts

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motherboard support apparatus for a test system for graphic memory mounting, and in particular, motherboards having graphics card insertion slots of various sizes or various positions are supported so that all of them can be located at predetermined positions of the test system. The present invention relates to a motherboard support device for a graphics memory test system, in which a graphics card is inserted into a motherboard and graphics memory is connected and tested.

As is well known, personal computers are provided with a graphics card, which is a computer electronic component that generates an image signal and sends it to a monitor through a cable. The graphics card includes a VGA card, a graphics adapter, a graphics board, a graphics controller, and a video display adapter. It may also be called other names such as video display board, video display card, video display controller, video card, video board, video controller, display adapter, display board, display card, display controller, VGA adapter and VGA controller. On the other hand, the graphics card may have different components or characteristics depending on the type, but basically has a graphics GPU, graphics memory, DAC and BIOS (BIOS). Here, a graphics GPU is a place for arithmetic processing, and a graphics memory is a place for making an image. Since a larger memory capacity increases the resolution of a monitor, a large number of graphics memories are installed in a single graphics card. The DAC (Digital Analog Converter) is a device that converts digital signals into analog signals. The BIOS stores program routines that inform the graphics card and basic input / output.

On the other hand, most of the memory devices, including the graphics memory, go through a burn-in test process that is carried out on the wafer during the manufacturing process, and various electrical test processes that are carried out in the state that the packing on the chip is completed In addition to this, the product is subjected to a mounting test process performed in a state of being mounted on a computer. In this case, the 'mount test' process refers to the graphics card with the graphics memory to be tested connected to the part where a part or all of the graphics memory of the graphics card is removed while the graphics card is inserted into the corresponding slot of the computer motherboard. The process of testing the processing capacity. In addition, a graphics memory mounting test system for performing such a process has been proposed and widely used. According to such a test system, the graphics card should always be fixed at a predetermined position (height) on the test die, and thus the graphics card is inserted. The motherboard must also be supported so that the graphics card insertion slot is in a predetermined position.

By the way, in the case of a computer motherboard, only the functions of components mounted thereon are standardized, but the overall size of the motherboard, the absolute position of the required components, and the arrangement relationship between each other are not standardized. Nevertheless, according to the conventional graphics memory mounting test system, only a single back plate is provided to support any one type of motherboard to a predetermined position of the test system, so that the positions of the graphics card insertion slots are different. There was a problem that it was impossible to test by adopting the motherboard.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and supports motherboards having graphics card insertion slots of various sizes or various positions so that they can be located at predetermined positions of the test system. The purpose of the present invention is to provide a motherboard support device for a graphics memory test system which allows the test of the graphics memory by connecting the memory card.

The present invention for achieving the above object is a graphics memory mounting test system for testing the performance of the graphics memory mounted on the graphics card while the graphics card is inserted into the graphics card insertion slot of the motherboard fixed on the test die A motherboard supporting apparatus for a rear wall of the test die, the rear side of which is installed to have a height higher than that of the test die, and a rear wall bolt fastening hole is formed at a predetermined position of an edge and the rear wall when joined to the rear wall. The plate bolt fastening hole to be matched to the bolt fastening hole is formed at a predetermined position of the edge, so that the length from the top or bottom of the plate bolt fastening hole to the graphic card insertion slot of the motherboard is a predetermined value. A back plate supporting the motherboard The yirueojyeoseo, characterized in that the various types of motherboard with a different size, and the graphics card insertion slot of the different positions to be tested is secured on the test die.

In the above configuration, it is preferable that the back plate is formed by recessing the motherboard seating portion on which the motherboard is seated.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the motherboard support device of the graphic memory mounting test system of the present invention.

1 is a perspective view showing the overall structure of a graphic memory package test system to which the present invention is applied, and FIG. 2 is a cross-sectional view of the heat sink vertically cut in FIG. 1. 1 and 2, the graphic memory mounting test system to which the present invention is applied is provided with an accessory compartment box 102 defining an accessory compartment 100 in which various electrical components are stored and installed in the lower part. A plate-shaped test die 200 on which the graphics card 220 is placed is placed at the upper end of the upper side 102, and a rear wall 104 having a height higher than that of the test die 200 is formed at the rear side thereof.

In the above-described configuration, the accessory chamber box 102 includes a power supply 110 for supplying power required for the motherboard 320 or a cooling device to be described later, and a cooling fan for dissipating heat generated inside the accessory chamber 100 to the outside ( 120, a control panel 130 including a power button or an operation display LED, and a connector 140 for receiving various control commands from a management server (not shown) or transferring a test result to the management server. The auxiliary room box 102 is preferably implemented with a metal material to shield electromagnetic waves and to function as a ground source.

On the other hand, the test die 200 is again provided with a card support plate 210 for directly supporting the graphics card 220, the card support plate 210 may be made of an insulating material, for example, wood or synthetic resin material. The rear of the test die 200 is also provided with a motherboard case 300 that wraps and protects the motherboard 320 supported by the rear wall 104 of the accessory chamber, and at the bottom of the motherboard case 300 A card slit 302 is formed which communicates with a graphics card insertion slot 322 of 320. As a result, the motherboard 320 should be positioned perpendicular to the test die 200 and the graphics card insertion slot 322 should always be flush with the card slit 302, in which state the graphics card ( The 220 is supported by the card support plate 210 while being coupled to the card slot 322 of the motherboard 320 through the card slit 302 formed in the motherboard case 300. In the figure, reference numeral 310 denotes a back plate fixed to the rear wall 104 of the accessory chamber while supporting the motherboard 320, and 108 denotes a bolt fixing the back plate 310 to the rear wall 104 of the accessory chamber. The back plate 310 may be made of a plate-shaped insulating material.

On the other hand, the graphics card 220 is prepared with all or a part (part of this embodiment) removed from the plurality of graphics memories mounted as described above, the graphics memory to be tested and the graphics card in the removed portion The test socket 240 is provided to intermediate to detachable electrical connections between the 220. The heat sink 230 for discharging heat generated when the graphic memory 220 is in contact with the graphics card 220 is installed on the upper portion of the graphics card 220 to cover some or all of the graphics card 220. The heat sink 230 is preferably implemented by a thermal conductor such as a metal plate. The upper part of the heat sink 230 is provided with a thermoelectric element directly contacting it again, that is, a Peltier element. The Peltier element is, as is well known, in the state in which the front and rear surfaces of the Peltier element and two kinds of metal surfaces are connected. When current flows through, it refers to the cooling device using Peltier effect that one terminal absorbs heat and the other terminal generates heat according to the direction of current. In this case, the use of semiconductors such as bismuth (Bi) or tellurium (Te), which have different electrical conduction methods, instead of the two types of metals, can obtain a Peltier device that has an efficient endothermic and heat generating effect. It is possible to switch to, and the endothermic and the calorific value are adjusted according to the amount of current, and thus it is widely applied to the manufacture of a small capacity refrigerator or a precise thermostat near room temperature. On top of the thermoelectric element, a heat sink 270 in which a plurality of fins are arranged side by side at intervals is installed in order to more quickly discharge heat emitted through the upper surface of the thermoelectric element.

On the other hand, one side of the heat sink 270 is provided with a cooling fan 260 for cooling the heat sink 270 by wind, such a cooling fan 260 may be implemented as a cross fan. Furthermore, an air guide 250 is installed around the heat sink 270 and the cooling fan 260 to guide the wind generated by the cooling fan 260 to be concentrated on the heat sink 270. Reference numeral 252 denotes an exhaust slit through which heat from which the heat sink 270 is cooled is discharged.

3 is a plan view schematically showing a motherboard supporting apparatus of the graphic memory mounting test system of the present invention, and FIG. 4 is an exploded cross-sectional view schematically showing a motherboard supporting apparatus of the graphic memory mounting test system of the present invention. As shown in Figure 3 and 4, according to the motherboard support device of the present invention, the bolt at the predetermined position of the edge of the rear wall 104 of the auxiliary chamber and the predetermined position of the edge of the back plate 310 corresponding to each other at the time of coupling Since the fastening holes 104a and 312 are formed, the back plate 310 can always be provided at a predetermined position of the rear wall 104 of the auxiliary chamber. That is, even if the inner shape of the back plate 310 is deformed according to the type of the motherboard 320 supported, the horizontal length l5 and the vertical length l6 between the bolt fastening holes 312 with respect to the rear wall 104 of the auxiliary room. ), That is, the width and length are always the same. In the drawings, reference numeral 316 denotes a bolt fastening hole for fixing the motherboard 320 formed on the back plate 310, and 314 is recessed on the surface of the back plate 310 to seat the motherboard 320. Represents wealth. Reference numeral 324 denotes a bolt fastening hole for fixing the motherboard 320 to the back plate 310, and 326 denotes the fixing bolt.

On the other hand, the motherboard 320 supported by the back plate 310 may be different from the horizontal length (l3) and vertical length (l2) according to the type of product, although not a big difference, and moreover, the motherboard 320 The length l4 from the top (or bottom) of) to the position of the card insertion slot 322 may also vary. Therefore, in the case of the back plate 310 manufactured so that the position of the motherboard seating portion 314 and the bolt fastening hole 316 is suitable for any one type of motherboard 320, the other type of motherboard can be supported. The card insertion slot 322 is different from the card slit 302 because the length l4 from the top (or bottom) of the motherboard to the position of the card insertion slot 322 may be different even if it can be supported. You will not be able to stay horizontal.

In the present invention to provide a back plate 310 of various shapes in accordance with the type of the motherboard 320 to solve this problem, the size is large enough to accommodate all kinds of motherboard and the bolt fastening in addition to The size of each motherboard 320 in a state in which both the horizontal length l3 and the vertical length l2 between the balls 312 are formed to be equal to the horizontal length and the vertical length of the bolt fastening hole of the rear wall 104 of the auxiliary chamber. And only the positions of the motherboard seating portion 316 and the bolt fastening hole 324 are deformed according to the position of the card insertion slot 322 of the motherboard, but the bolt fastening hole 312 at the top of the back plate 310 is fixed. By holding the length (l1) to the card insertion slot 322 of the motherboard 320 at a predetermined value, it is only necessary to fix the back plate 310 supporting the motherboard 320 to the rear wall 104 of the accessory chamber. Insert Card on Motherboard 320 And Lot 322, is always card slit (302) and to maintain the horizontal state.

The motherboard supporting apparatus of the graphic memory mounting test system of the present invention is not limited to the above-described embodiment and can be modified in various ways within the scope of the technical idea of the present invention.

According to the motherboard supporting apparatus of the graphic memory mounting test system of the present invention as described above, the card insertion slot of the motherboard is horizontally aligned with the card slit by only fixing the back plate supporting the motherboard to the rear wall of the accessory chamber. This allows for smooth testing of motherboards with graphics card insertion slots of various sizes or locations.

Claims (2)

delete A motherboard support apparatus of a graphics memory test system for testing performance with a graphics memory mounted on the graphics card while a graphics card inserted into a graphics card insertion slot of a motherboard is fixed on a test die. To hold the graphics card insertion slots of different positions and different types of motherboards of different sizes on the test die for testing A rear wall installed at a rear side of the test die to have a height higher than that of the test die, and having a bolt fastening hole for rear wall formed at a fixed position of the edge; The plate bolt fastening hole that is matched to the bolt fastening hole for the rear wall when the coupling to the rear wall is formed at a fixed position of the edge, the graphics card insertion slot of the motherboard from the top or bottom of the plate bolt fastening hole The motherboard of the graphic memory mounting test system, comprising: a back plate formed by supporting the motherboard so that the length up to a predetermined value, the motherboard seating portion on which the motherboard is seated, is recessed from the surface thereof; Support device.

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