| GPP_E13 / SBK0 / BK0 | OD | Blink BK 0: This function provides the blink (or PWM) capability. The blink/PWM frequency and duty cycle is programmable through the PWM Control register. Refer to Volume 2 for details. |
| GPP_E14 / SBK1 / BK1 | OD | Blink BK 1: This function provides the blink (or PWM) capability. The blink/PWM frequency and duty cycle is programmable through the PWM Control register. Refer to Volume 2 for details. |
| GPP_E15 / SBK2 / BK2 | OD | Blink BK 2: This function provides the blink (or PWM) capability. The blink/PWM frequency and duty cycle is programmable through the PWM Control register. Refer to Volume 2 for details. |
| GPP_E16 / SBK3 / BK3 | OD | Blink BK 3: This function provides the blink (or PWM) capability. The blink/PWM frequency and duty cycle is programmable through the PWM Control register. Refer to Volume 2 for details. |
| GPP_G2 / DNX_FORCE_RELOAD | I | Download and Execute (DnX):Intel® CSME ROM samples this pin any time ROM begins execution. This includes the following conditions: - G3 Exit.
- Sx, Moff Exit.
- Cold Reset(Host Reset with Power Cycle) Exit.
- Warm Reset(Host Reset without Power Cycle) Exit if Intel® CSME was shutdown in Warm Reset.
- 0 => No DnX; 1=> Enter DnX mode
- The internal pull-down is enabled on the pin.
- If the pin is used for GPP_G2, the pin must not be pulled HIGH until SLP-S3# has been de-asserted.
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| GPP_E0 / SATAXPCIE0 / SATAGP0 | I | SATA port 0 or PCIe port mux select : This is used to select SATA/PCIe function to support implementations like SATA Express or mSATA. |
| GPP_E1 / SATAXPCIE1 / SATAGP1 | I | SATA port 1 or PCIe port mux select : This is used to select SATA/PCIe function to support implementations like SATA Express or mSATA. |
| GPP_E13 / SBK0 / BK0 | OD | Serial Blink SBK 0: This function provides the capability to serialize POST or other messages on the pin to a serial monitor. The Serial Blink message is programmed through the Serial Blink Command/Status and Serial Blink Data registers. Refer to Volume 2 for details. |
| GPP_E14 / SBK1 / BK1 | OD | Serial Blink SBK 1: This function provides the capability to serialize POST or other messages on the pin to a serial monitor. The Serial Blink message is programmed through the Serial Blink Command/Status and Serial Blink Data registers. Refer to Volume 2 for details. |
| GPP_E15 / SBK2 / BK2 | OD | Serial Blink SBK 2: This function provides the capability to serialize POST or other messages on the pin to a serial monitor. The Serial Blink message is programmed through the Serial Blink Command/Status and Serial Blink Data registers. Refer to Volume 2 for details. |
| GPP_E16 / SBK3 / BK3 | OD | Serial Blink SBK 3: This function provides the capability to serialize POST or other messages on the pin to a serial monitor. The Serial Blink message is programmed through the Serial Blink Command/Status and Serial Blink Data registers. Refer to Volume 2 for details. |
| GPP_H23 / TIME_SYNC0 | I | Time Synchronization GPIO 0: Timed GPIO event for time synchronization for interfaces that do not support time synchronization natively. |
| GPP_B1 / GSPI1_CS1# / TIME_SYNC1 | I | Time Synchronization GPIO 1: Timed GPIO event for time synchronization for interfaces that do not support time synchronization natively. |