Acer Altos G540 M2 - Manual (Page 31)

21
B ackplane board
The backplane board attached to rear of the hot-plug HDD cage is
what differentiate it from the easy-swap HDD cage model.
3.5” Backplane Board
No. Code Description
1 J14 Close 1-2: Two LED indication (default)
Close 2-3: Single LED indication (backward support)
2 J16 Backplane address setting:
Jumper Backplane 1 Backplane 2
J15 Close 2-3 Close 2-3
J16 Close 1-2 Close 2-3
3 J15
4 J3 SMBUS connector for backplane cascade
5 J2 SMBUS connector to main board (J2)