Patent ID: 6961236

Claim:
A computer chassis comprising: a post assembly having a first post having a top end and a bottom end; a second post opposite to the first post and having a top end and a bottom end; and a power supply holder mounted between the first post and the second post and having a bottom and two bottom sides; a motherboard holder detachably mounted to the first post, adjacent to the bottom of the power supply holder and having a top edge; a bottom edge; a proximal side connected to the first post; a mounting member defined on the proximal side and mounted to the first post; and a distal edge; a guardian board detachably mounted between the first post and the second post, connected to the bottom of the power supply holder and having a top edge; a bottom edge; a first side mounted to the second post; a second side mounted to the first post; and a rectangular hole defined through the guardian board close to the second side of the guardian board; and a mounting board detachably mounted between the first post and the second post, connected to the guardian board and having a top edge; a bottom edge; a first side mounted to one of the first post and the second post; a second side mounted to the other of the first post and the second post; multiple longitudinal slots defined through the mounting board, arranged abreast and perpendicular to the first post and the second post; and multiple mounting bores defined on the first side of the mounting board, corresponding to and adjacent respectively to the multiple longitudinal slots.