Expansion Interface P-Exp - EKF SC2-PRESTO CompactPCI User Manual

User Guide • SC2-PRESTO • CompactPCI

Expansion Interface P-EXP

1 2
40
1.27mm
Socket
1)
Power rail switched on in state S0 only.
2)
Connected to SMBus via buffered switch, isolated after reset.
3)
Stuffing option, default is the HDA option.
4)
Power rail switch off in state S5.
WARNING: The +3.3V, +5V and +12V power pins are not protected against a short circuit event.
The connector P-EXP therefore should be used only for attachment of an approved expansion side
card. The maximum current flow across these pins should be limited to 1A per power pin.
© EKF
®
Serial CPU Board • Intel® Core
P-EXP
GND
PCI_CLK (33MHz)
LPC_AD0
LPC_AD2
LPC_FRM#
GND
LPC_SERIRQ
EXP_SMI#
FWH_ID0
KBRST#
GND
USB_EXP2-
USB_EXP2+
USB_EXP_OC#
2)
EXP_SCL
GND
HDA_SDOUT
3)
HDA_RST#CL_RST#
3)
HDA_CLK/CL_CLK
SPEAKER
-71-
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16 SIO_CLK (14.3MHz)
17 18 FWH_INIT#
19 20
21 22
23 24
25 26 USB_EXP1+
27 28
29 30
31 32
33 34 HDA_SDIN0
35 36
37 38 HDA_SDIN1/CL_DATA
39 40
TM
4xxx Processor
1)
+3.3V
RST_PLC#
LPC_AD1
LPC_AD3
LPC_DRQ#
1)
+3.3V
WAKE#
A20GATE
1)
+5V
USB_EXP1-
DBRESET#
2)
EXP_SDA
1)
+5V
HDA_SYNC
3)
4)
+12V
ekf.com