Apple ATA Controller Board - Manual (Page 6)

Xserve ATA Controller Board - 6
Installing the Replacement ATA Controller Board
1. Connect the replacement ATA controller board to the drive interconnect and logic
boards.
Note: When replacing the ATA controller board, align it over the two pairs of
connectors on the drive interconnect and logic boards, making sure the “MLB” arrow
printed on it points toward the logic board, and press down. (Figure 5)
Figure 5