Q-See QSNDVR16M User Manual page 10

Jumper area
The picture blow is the IDE connection/Power connection section of the HDD.
Jumper area
Jumper according to the diagram above
SLAVE
MASTER
The sequence of read/write data from HDD
The ATA interface which is near the motherboard center is the secondary interface, the next ATA
interface which is near the motherboard edge is the primary interface. The sketch is in the following.
The HDD names are shown in the DVR system as HDD A/B/C/D. The master HDD connected to
Page 9