EKF SC2-PRESTO CompactPCI User Manual page 56

User Guide • SC2-PRESTO • CompactPCI
GPIO Type Voltage
33 O +V3.3S
34 O +V3.3S
35 O +V3.3S
36 I +V3.3S
37 I +V3.3S
38 O +V3.3S
39 O +V3.3S
40 I +V3.3A
41 O +V3.3A
42 O +V3.3A
43 I +V3.3A
44 I +V3.3A
45 I +V3.3A
46 I +V3.3A
47 I +V3.3A
48-49 I +V3.3S
50 I +V3.3S
51 O +V3.3S
52 I +V3.3S
53 O +V3.3S
52 I +V3.3S
55 O +V3.3S
56 I +V3.3A
57 I +V3.3A
58 I +V3.3A
59 I +V3.3A
60 I +V3.3A
61-62 O +V3.3A
63 O +V3.3A
64 O +V3.3S
65-67 O +V3.3A
© EKF
®
Serial CPU Board • Intel® Core
GPIO Usage QM87 PCH
1)
Function
N/A
EXP_SMB_EN
CPCI_SMB_EN
N/A
N/A
SGPIO_LOAD
SGPIO_OUT
USB_OC1#
ENABLE_NC3
ENABLE_NC4
USB_OC4#
PCIE_CLK_REQ5#
PCIE_CLK_REQ6#
PCIE_CLK_REQ7#
PEG_A_CLK_RQ#
N/A
HWREV
N/A
N/A
N/A
N/A
ENABLE_NC2
PEG_B_CLK_RQ#
N/A
N/A
USB_OC0#
N/A
N/A
SLP_S5#
CLKOUT_FLEX1
N/A
Description
Not connected on SC2
Connect SMBus on P-EXP to local SMBus
LOW: P-EXP disconnected from SMBus
HIGH: P-EXP connected to SMBus
Connect SMBus on CompactPCI Serial to local SMBus
LOW: CPCI Backplane disconnected from SMBus
HIGH: CPCI Backplane connected to SMBus
Not used on SC2 (pulled via resistor to GND)
Not used on SC2 (pulled via resistor to +3.3V)
CompactPCI Serial GPIO Bus LOAD (P1 K3: SATA_SL)
CompactPCI Serial GPIO Bus DATAOUT (P1 H3: SATA_SDO)
USB Front Panel Right Port Overcurrent Detect
Enable Ethernet Controller NC3
Enable Ethernet Controller NC4
USB P-HSE Port 1 Overcurrent Detect
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CompactPCI Clock Request Slot 8 (P5 J6: 8_PE_CLKE#)
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CompactPCI Clock Request Slot 7 (P5 G6: 7_PE_CLKE#)
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CompactPCI Clock Request Slot 3 (P5 I5: 3_PE_CLKE#)
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CompactPCI Clock Request Slot 1 (P5 C5: 1_PE_CLKE#)
Not used on SC2 (pulled via resistors to GND)
PCB Revision Code HWREV[2:0]:
GPIO[54/52/50] 000
Revision 0
Not used on SC2 (pulled via resistor to +3.3V)
PCB Revision Code HWREV[2:0], see GPIO50
Not connected on SC2
PCB Revision Code HWREV[2:0], see GPIO50
Enable Ethernet Controller NC2
®
CompactPCI Clock Request Slot 2 (P5 F5: 2_PE_CLKE#)
Not used on SC2 (pulled via resistor to GND)
Not used on SC2 (pulled via resistor to +3.3V)
USB Front Panel Right Port Overcurrent Detect
Not used on SC2 (pulled via resistor to +3.3V)
Not connected on SC2
Multiplexed with chipset internal function
14.318MHz Clock Source
Not connected on SC2
-56-
TM
4xxx Processor
001 010 ... 111
1 2 ... 7
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