Hardware Configuration
RUBY-7720VG2A User’s Manual
2-8
J23 : CPU Fan Connector (1*3 Pin Wafer)
Pin No.
Signal Description
1
Fan Speed Detect
2 +5V
3 GND
J24 : System Fan2 Connector (1*3 Pin Wafer)
Pin No.
Signal Description
1
Fan Speed Detect
2 +12V
3
Fan Speed Detect
J25 : COM4 (RS-232) (2*5-1 Pin Header)
Pin No.
Signal Description
Pin No.
Signal Description
1 DCD#4
2 RXD#4
3 TXD#4
4 DTR#4
5 GND_COM4
6 DSR#4
7 RTS#4
8 CTS#4
9 V_RI4
10
J26 : Compact Flash Connector (Vertical type)
Pin No.
Signal Description
Pin No.
Signal Description
1 GND
26 N/C
2
DATA 3
27
DATA 11
3
DATA 4
28
DATA 12
4
DATA 5
29
DATA 13
5
DATA 6
30
DATA 14
6
DATA 7
31
DATA 15
7 HDC_CS0#
32 HDC_CS1
8 GROUND
33 GROUND
9 GROUND
34 IOR#
10 GROUND
35 IOW#
11 GROUND
36 VCC_COM
12 GROUND
37 IRQ15
13 VCC
38 VCC
14 GROUND
39 CSEL
15 GROUND
40 N/C
16 GROUND
41 HDD_RESET
17 GROUND
42 IORDY
