User Manual
  MiniStation All-in-One Petit Board User’s Manual 
Hardware Description 
37
Function: Floppy Disk Interface 
Pin Description Pin Description 
18 
Reduce write current 
52 
GND 
19 
VCC 
53 
GND 
20 
VCC 
54 
NC 
21 
Index# 
55 
GND 
22 
Motor enable A# 
56 
GND 
23 
NC 
57 
GND 
24 
Drive select A# 
58 
GND 
25 
NC 
59 
GND 
26 
Direction# 
60 
GND 
27 
STEP# 
61 
GND 
28 
Write data# 
62 
GND 
29 
Write gate# 
63 
GND 
30 
Track 0# 
64 
GND 
31 
Write protect# 
65 
GND 
32 
Read data# 
66 
GND 
33 
Side 1 select# 
67 
GND 
34 
Disk change# 
68 
GND 
CN11: General Purpose Connector Pin Assignment 
Function: Audio and Game Port Interface 
Pin Description Pin Description 
1 MSO_12  35 SWD_14 
2 MSI_15  36 JA_3 
3 SWA_2  37 JB_6 
4 SWB_7  38 JC_11 
5 SWC_10  39 JD_13 
6 GND  40 Audio_GND 
Function: USB Interface 
Pin Description Pin Description 
7 USB0VCC  41 USB1VCC 
8 USBP0-  42 USBP1- 
9 USBP0+  43 USBP1+ 
10 
USBGND 
44 
USBGND 
Continued . . . . . 
Function: Keyboard and Mouse Interface 
Pin Description Pin Description 
11 
PS/2 mouse data 
45 
PS/2 mouse clock 
12 
+5V 
46 
GND 
13 
Keyboard data 
47 
Keyboard clock 
14 +5V  48 GND 
Function: COM4 Serial Port Interface 
Pin Description Pin Description 
15  Data Carrier Detect 
(DCD/+5V/+12V) 
49  Data Set Ready (DSR) 
16  Receive Data (RXD)  50  Request to Send (RTS) 
17  Transmit Data (TXD)  51  Clear to Send (CTS) 
18  Data Terminal Ready (DTR)  52  Ring Indicator (RI/+12V/+5V) 
19 GND  53 NC 










