Patent ID: 7486508

Claim:
A computer casing structure, comprising: a chassis, which is provided with a vertical front panel, with a surface of the front panel being installed respectively with a lower long through-hole and an upper long through-hole; a metallic shield, which is punched with a plurality of through-holes, and is locked and positioned into the lower long through-hole; and a CD-ROM module, which is positioned at a rear side of the upper long through-hole, with an extensible disk cover being corresponding to the upper long through-hole; wherein a rectangular left chamber is located on the front panel and at a left side of the lower long through-hole, a set of hard disk drive module is inserted and positioned into the left chamber, a front edge of a main board is provided with a plurality of I/O connection ports, the main board is fixed in the chassis, and the I/O connection ports are corresponding to the through-holes of the metallic shield, wherein a plurality of through-holes is located on an inset surface surrounding a periphery of the lower long through-hole to enhance ventilation and heat dissipation.