J1 Floppy Connector
PIN Description
PIN Description
1
GND
18 DIR#
2
DENSEL#
19 GND
3
GND
20 STEP#
4
NC
21 GND
5
GND
22 Write Data#
6
NC
23 GND
7
GND
24 WGATE#
8
INDEX#
25 GND
9
GND
26 TK00#
10 MOTEA#
27 GND
11 GND
28 WPT#
12 DRVB#
29 GND
13 GND
30 Read Data#
14 DRVA#
31 GND
15 GND
32 SIDE1#
16 MOTEB#
33 GND
17 GND
34 DSKCHG#
JP4 USB 2/3 Connector
PIN Description PIN Description
1 +5VSB
6 Data 3+
2 +5VSB
7 GND
3 Data 2-
8 GND
4 Data 3-
9 NC
5 Data 2+
10 (USB_OC23# )Default
NC
JP8 PIO connector
PIN Description
PIN Description
1
Line Print
Strobe
14 Auto Feed#
2
Parallel Data 0 15 Error#
3
Parallel Data 1 16 Initialize#
4
Parallel Data 2 17 Select Input#
5
Parallel Data 3 18 GND
6
Parallel Data 4 19 GND
7
Parallel Data 5 20 GND
8
Parallel Data 6 21 GND
9
Parallel Data 7 22 GND
10 Acknowledge# 23 GND
11 Busy
24 GND
12 Paper empty
25 GND
13 Select
26 NC
J7 GPIO Pinhead
PIN Description
PIN Description
1
+5V
6
GP22_IN_1
(PIN25)
2
GND
7
GP25_OUT_2
(PIN 22)
3
GP27_OUT_0
(PIN 20)
8
GP21_IN_2
(PIN26)
4
GP23_IN_0
(PIN24)
9
GP24_OOU_3
(PIN23)
5
GP26_OUT_1
(PIN 21)
10 GP20_IN_3
(PIN27)
VGA1 VGA Connector
PIN Description
PIN Description
1
Red
9
+5V
2
Green
10 GND
3
Blue
11 NC
4
NC
12 DDC Data
5
GND
13 HSYNC
6
GND
14 VSYNC
7
GND
15 DDC Clock
8
GND
JP5 Keyboard Lock
PIN Description
PIN Description
1
+5V
4
Keyboard Lock
2
NC
5
GND
3
GND
JP6 IR
PIN Description
PIN Description
1
+5V
4
GND
2
CIRRX
5
IRTX
3
IRRX
CON1 Key board + mouse Connector
PIN Description
PIN Description
1
Mouse Data
4
Keyboard Clock
2
Keyboard Data 5
+5VSB
3
Mouse Clock 6
GND
