EKF SC3-LARGO - Expansion Interface P-EXP

User Guide • SC3-LARGO • CompactPCI
®
Serial CPU Board • Intel
®
Core
TM
5xxx Processor
Expansion Interface P-EXP
P-EXP
GND 1 2 +3.3V
1)
PCI_CLK (33MHz) 3 4 RST_PLC#
LPC_AD0 5 6 LPC_AD1
LPC_AD2 7 8 LPC_AD3
LPC_FRM# 9 10 LPC_DRQ#
GND 11 12 +3.3V
1)
LPC_SERIRQ 13 14 WAKE#
EXP_SMI# 15 16 SIO_CLK (14.3MHz)
FWH_ID0 17 18 FWH_INIT#
KBRST# 19 20 A20GATE
GND 21 22 +5V
1)
USB_EXP2- 23 24 USB_EXP1-
USB_EXP2+ 25 26 USB_EXP1+
USB_EXP_OC# 27 28 DBRESET#
EXP_SCL
2)
29 30 EXP_SDA
2)
GND 31 32 +5V
1)
HDA_SDOUT 33 34 HDA_SDIN0
HDA_RST#CL_RST#
3)
35 36 HDA_SYNC
HDA_CLK/CL_CLK
3)
37 38 HDA_SDIN1/CL_DATA
3)
SPEAKER 39 40 +12V
4)
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.
21
1.27mm
Socket
40
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