FDD system board connector Pin Signal Pin Signal
8
9
10
11
12
13
14
15
16
17
FLP_INDEX#
Ground
FLP_MOTOR#
Ground
Unused
Ground
FLP_SEL_A#
Ground
Unused
Ground
25
26
27
28
29
30
31
32
33
34
Ground
FLP_TRACK#
Ground
FLP_WP#
Ground
FLP_RD_D#
Ground
FLP_HD_SEL#
Ground
FLP_DSKCHG#
MiniSAS 4i cable connector
Pin 1 Pin 2 Pin 3 Pin 4 Signal
A2 A2 A2 A2 Rx 0+
A3 A3 A3 A3 Rx 0–
N/C* A5 A5 A5 Rx 1+
N/C A6 A6 A6 Rx 1–
A8 A8 A8 A8 Sideband 7
A9 A9 A9 A9 Sideband 3
A10 A10 A10 A10 Sideband 4
A11 A11 A11 A11 Sideband 5
N/C N/C A13 A13 Rx 2+
N/C N/C A14 A14 Rx 2-
N/C N/C N/C A16 Rx 3+
N/C N/C N/C A17 Rx 3-
B2 B2 B2 B2 Tx 0+
B3 B3 B3 B3 Tx 0-
N/C B5 B5 B5 Tx 1+
N/C B6 B6 B6 Tx 1-
164 Appendix A Appendix A—Connector pins ENWW