Intel ECB-865 3.11.21USB Connector J13, J19, 3.11.23CPU Fan and System Fan Connector J14, J25

ECB-865

3.11.21USB Connector (J13, J19)

	PIN
Signal	CH2	CH1	Signal
NC	9	10	VCC2
GND	7	8	D2-
D1+	5	6	D2+
D1-	3	4	GND
VCC1	1	2	NC

3.11.22Signal Description – USB Connector (J13, J19)

D1+ / D1-	Differential bi-directional data signal for USB channel 0. Clock is transmitted along with the
	data using NRZI encoding. The signalling bit rate is up to 12 Mbs.
D2+ / D2-	Differential bi-directional data signal for USB channel 1. Clock is transmitted along with the
	data using NRZI encoding. The signalling bit rate is up to 12 Mbs.
VCC	5 V DC supply for external devices. Maximum load according to USB standard.

3.11.23CPU Fan and System Fan Connector (J14, J25)

Signal	PIN
GND	1
+12V	2
TAC	3

3.11.24Fast & Standard IrDA Connector (J15)

Signal	PIN
+5V	1
FIR	2
IRRX	3
GND	4
IRTX	5
Over Current Off	6

ECB-865 User’s Manual 39