Hardware Configuration
ROBO-8910VG2A User’s Manual
2-7
J11 & J12: COM1 & COM2 connector
Pin No.
Signal Description
1
Data Carrier Detect
2 Receive
Data
3 Transmit
Data
4
Data Terminal Ready
5 Ground
6
Data Set Ready
7
Request To Send
8
Clear To Send
9 Ring
Indicator
10 N/C
J13: FDD connector
PIN No.
Signal Description
PIN No.
Signal Description
1
Ground
2
Density Select 0
3 Ground
4 N/C
5
Ground 6
N/C
7 Ground
8 INDEX#
9 Ground
10 Motor
ENA#
11 Ground
12 N/C
13
Ground
14
Drive Select A#
15 Ground
16 N/C
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 N/C
30 Read
Data#
31 Ground
32 Head
Select#
33 N/C
34 Disk
Change#
J15: 8-bit GPIO
PIN No.
Signal Description
PIN No.
Signal Description
1
GPIO10
2
GPIO11
3
GPIO12
4
GPIO13
5 Ground
6
GPIO14
7
GPIO15
8
GPIO16
9
GPIO17
10 5V
