EKF SC1-ALLEGRO, User Manual

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User Guide • SC1-ALLEGRO •
CompactPCI ® Serial
CPU Board • Intel® i7-3xxx Processor
GPIO Usage
GPIO Usage QM77 PCH
GPIO Usage QM77 PCH
GPIO Type Tol. Function Description
GPIO 0 I 3.3V THRM_ALERT# Monitoring of processor PROCHOT#
GPIO 1 I 3.3V EXP_SMI# Expansion Interface SMI Request (J-EXP Pin 15)
GPIO 2-4 I 5V HWREV PCB Revision Code HWREV[2:0]:
GPIO[4:2]
000 001 010 ... 111
Revision 0 1 2 ... 7
GPIO 5 I 5V PM_MEMTS# Memory Thermal Sensor Event
GPIO 6 I 3.3V CPCI_PWR_FAIL# Sense
CompactPCI ®
Serial Power Failure Line PWR_FAIL#
GPIO 7 I 3.3V CPCI_SYSEN# Sense
CompactPCI ®
System Slot Enable Line SYSEN#
GPIO 8 O 3.3V SPM_CFG_SET JMB393 RAID Controller: Configuration MODE2
1)
GPIO 9 I 3.3V USB_OC5# USB J-HSE Port 2 Overcurrent Detect
GPIO 10 I 3.3V USB_OC6# USB J-HSE Port 3 or 4 Overcurrent Detect
GPIO 11 I 3.3V GP_JUMP# Reset UEFI BIOS Setup to Factory Defaults, Jumper P-GP
GPIO 12 O 3.3V NC1_ENABLE Enable Ethernet Controller NC1
GPIO 13 I 3.3V HM_INT# Hardware Monitor LM87 Interrupt Line
GPIO 14 I 3.3V USB_OC7# USB J-EXP Port 1 or 2 Overcurrent Detect
GPIO 15 O 3.3V SPM_MODE0 JMB393 RAID Controller: Configuration MODE0
GPIO 16 O 3.3V MODE_DP_SDVO# Switch Mode of J-SDVO Connector
LOW: J-SDVO in SDVO Mode
HIGH: J-SDVO in DisplayPort Mode
GPIO 17 I 3.3V N/A Not used on SC1 (pulled via resistor to GND)
GPIO 18 O 3.3V GP_LED_RED General Purpose Red LED Control (via PLD)
GPIO 19 I 3.3V N/A Not used on SC1 (pulled via resistor to +3.3V)
GPIO 20 O 3.3V SE_SYS_WP General Purpose Serial EEPROM Write Protection
GPIO 21 O 3.3V N/A Not used on SC1 (pulled via resistor to +3.3V)
GPIO 22 O 3.3V SGPIO_CLOCK Serial GPIO Bus CLOCK (P1 J3: SATA_SCL)
GPIO 23 I 3.3V N/A Not used on SC1
GPIO 24 O 3.3V USB_POWEN1# USB Front Panel Right Port Power Enable
GPIO 25-26 I 3.3V N/A Not used on SC1 (pulled via resistor to +3.3V)
GPIO 27 O 3.3V USB_POWEN2# USB Front Panel Left Port Power Enable
GPIO 28 O 3.3V SPM_MODE1 JMB393 RAID Controller: Configuration MODE1
GPIO 29 O 3.3V N/A Fixed to chipset internal function
GPIO 30-32 I 3.3V N/A Fixed to chipset internal function
GPIO 33 O 3.3V N/A Not used on SC1
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