System components are labeled as follows, starting in the top left corner, going in a counter-clockwise direction: power supply, power distribution board, hard disk drive, optional DVD/CD-ROM/FDD module, front panel board, fan module, backplane board, server board

Connections are labeled as follows, starting left and moving generally right: To the backplane Power connector; to the server board auxiliary signal connector; flex circuit cable from the server board

FDD/FP/IDE connector to the backplane; SCSI cable from the server board to the backplane; USB ribbon cable from the server board to the front panel board; front panel ribbon cable from the front panel board to the backplane; from the fan module to the server board fan connector; to the server board auxiliary power connector.