Hardware Configuration
ROBO-8777VG2A User’s Manual
2-4
J17: System Fan Connector
PIN No.
Signal Description
1
Ground
2
+12V
3
Fan Speed Detecting signal
J25: FDC Interface Connector
PIN No.
Signal Description
PIN No.
Signal Description
1
Ground
2
Density Select 0
3 Ground
4 N/C
5
Ground
6
Density Select 1
7 Ground
8 Index#
9 Ground
10 Motor
ENA#
11
Ground
12
Drive Select B#
13
Ground
14
Drive Select A#
15 Ground
16 Motor
ENB#
17 Ground
18 Direction#
19 Ground
20 Step#
21 Ground
22 Write
Data#
23 Ground
24 Write
Gate#
25 Ground
26 Track
0#
27 Ground
28 Write
Protect#
29 Ground
30 Read
Data#
31 Ground
32 Head
Select#
33 Ground
34 Disk
Change#
J27/J28/J31/J32: Primary/Secondary SATA Connector
PIN No.
Signal Description
1 Ground
2
(SATATXP)
3 SATATX-
(SATATXN)
4 Ground
5 SATARX-
(SATARXN)
6
(SATARXP)
7 Ground
