Gpio Usage; Gpio Usage Qm87 Pch - EKF SC2-PRESTO CompactPCI User Manual

User Guide • SC2-PRESTO • CompactPCI

GPIO Usage

GPIO Usage QM87 PCH

GPIO Type Voltage
0 I +V3.3S
1 I +V3.3S
2-3 I +V3.3S
4 I +V3.3S
5 I +V3.3S
6 I +V3.3S
7 I +V3.3S
8 O +V3.3A
9 I +V3.3A
10 I +V3.3A
11 I +V3.3A
12 O +V3.3A
13 I +V3.3A
14 I +V3.3A
15 O +V3.3A
16 O +V3.3S
17 I +V3.3S
18 O +V3.3S
19 I +V3.3S
20 I +V3.3S
21 I +V3.3S
22 O +V3.3S
23 I +V3.3S
24 O +V3.3A
25 I +V3.3A
26 I +V3.3A
27 I +V3.3A
28 O +V3.3A
29 O +V3.3A
30-31 I +V3.3A
32 I +V3.3S
© EKF
®
Serial CPU Board • Intel® Core
GPIO Usage QM87 PCH
1)
Function
THRM_ALERT#
EXP_SMI#
N/A
CPCI_PWR_FAIL#
PM_MEMTS#
N/A
GP_JUMP#
N/A
USB_OC5#
USB_OC6#
CPCI_SYSEN#
NC1_ENABLE
HM_INT#
USB_OC7#
N/A
SE_SYS_WP
N/A
GP_LED_RED
N/A
PCIE_CLK_REQ2#
N/A
SGPIO_CLOCK
N/A
USB_POWEN1#
PCIE_CLK_REQ3#
PCIE_CLK_REQ4#
NC1_WAKE#
USB_POWEN2#
N/A
N/A
N/A
Description
Monitoring of processor PROCHOT#
Expansion Interface SMI Request (P-EXP Pin 15)
Not used on SC2 (pulled via resistors to GND)
®
Sense CompactPCI Serial Power Failure Line PWR_FAIL#
Memory Thermal Sensor Event
Not used on SC2 (pulled via resistor to GND)
Reset UEFI BIOS Setup to Factory Defaults, Jumper J-GP
Not used on SC2 (pulled via resistor to GND)
USB P-HSE Port 2 Overcurrent Detect
USB P-HSE Port 3 or 4 Overcurrent Detect
®
Sense CompactPCI System Slot Enable Line SYSEN#
Enable Ethernet Controller NC1
Hardware Monitor LM87 Interrupt Line
USB P-EXP Port 1 or 2 Overcurrent Detect
Not connected on SC2
General Purpose Serial EEPROM Write Protection
Not used on SC2 (pulled via resistor to GND)
General Purpose Red LED Control (via PLD)
Not used on SC2 (pulled via resistor to +3.3V)
®
CompactPCI Clock Request Slot 5 (P5 A6: 5_PE_CLKE#)
Not used on SC2 (pulled via resistor to GND)
CompactPCI Serial GPIO Bus CLOCK (P1 J3: SATA_SCL)
Not connected on SC2
USB Front Panel Right Port Power Enable
®
CompactPCI Clock Request Slot 6 (P5 D6: 6_PE_CLKE#)
®
CompactPCI Clock Request Slot 4 (P5 L5: 4_PE_CLKE#)
Ethernet Controller NC1 WAKE#
USB Front Panel Left Port Power Enable
Not connected on SC2
Not used on SC2 (pulled via resistors to +3.3V)
Not used on SC2 (pulled via resistor to +3.3V)
-55-
TM
4xxx Processor
ekf.com