User guide

User Guide • PC1-GROOVE • Core

i7 CompactPCI

CPU Board

PC1-GROOVE GPIO Usage PCH QM57

GPIO Type Tol. Function Description

GPIO 34 O 3.3V STP_PCI# Multiplexed with chipset internal function

GPIO 35-37 I 3.3V HWREV GPIO 37/36/35

000

001

...

111

PCB Revision

...

GPIO 38 O 3.3V SLOAD Serial GPIO Bus LOAD (J2: SATA_SL)

GPIO 39 O 3.3V SDATAOUT Serial GPIO Bus DATAOUT (J2: SATA_SC)

GPIO 40 I 3.3V USB_OC1# USB Front Panel Lower Port Overcurrent Detect

GPIO 41 O 3.3V ENABLE_NC3 Enable Ethernet Controller NC3

GPIO 42 O 3.3V ENABLE_NC4 Enable Ethernet Controller NC4

GPIO 43 I 3.3V USB_OC4# USB J-HSE Port #1 Overcurrent Detect

GPIO 44 I 3.3V N/A Not used on PC1 (pulled via resistor to +3.3V)

GPIO 45 I 3.3V WDOGRST Last Hardware Reset caused by watchdog

GPIO 46 I 3.3V N/A Not used on PC1 (pulled via resistor to +3.3V)

GPIO 47 I 3.3V CPCI_12VOK CompactPCI +12V Present

GPIO 48 I 3.3V N/A Not used on PC1 (pulled via resistor to +3.3V)

GPIO 49 I 3.3V N/A Not used on PC1 (pulled via resistor to GND)

GPIO 50 I 5V CPCI_REQ1# CompactPCI Bus Request Line CPCI_REQ1#

GPIO 51 O 3.3V CPCI_GNT1# CompactPCI Bus Grant Line CPCI_GNT1#

GPIO 52 I 5V CPCI_REQ2# CompactPCI Bus Request Line CPCI_REQ2#

GPIO 53 O 3.3V CPCI_GNT2# CompactPCI Bus Grant Line CPCI_GNT2#

GPIO 54 I 5V CPCI_REQ3# CompactPCI Bus Request Line CPCI_REQ3#

GPIO 55 O 3.3V CPCI_GNT3# CompactPCI Bus Grant Line CPCI_GNT3#

GPIO 56 I 3.3V N/A Not used on PC1 (pulled via resistor to +3.3V)

GPIO 57 O 3.3V ENABLE_NC2 Enable Ethernet Controller NC2

GPIO 58 I 3.3V N/A Not used on PC1 (pulled via resistor to +3.3V)

GPIO 59 I 3.3V USB_OC0# USB Front Panel Upper Port Overcurrent Detect

GPIO 60 I 3.3V N/A Not used on PC1 (pulled via resistor to +3.3V)

GPIO 61 O 3.3V N/A Not used on PC1 (left NC)

GPIO 62 O 3.3V SUSCLK Multiplexed with chipset internal function

GPIO 63 O 3.3V SLP_S5# Multiplexed with chipset internal function

GPIO 64-67 I 3.3V BOARD_CFG Board Configuration Jumpers

GPIO68-71 N/A N/A N/A Not implemented in PCH QM57

GPIO 72 I 3.3V N/A Not used on PC1 (pulled via resistor to +3.3V)

GPIO 73 I 3.3V NC1_CLKREQ# Multiplexed with chipset internal function

GPIO 74 I 3.3V N/A Not used on PC1 (pulled via resistor to +3.3V)

GPIO 75 I 3.3V N/A Not used on PC1 (pulled via resistor to +3.3V)