| GPP_B02/ISH_I2C0_SDA/ISH_I3C0_SDA/I2C2A_SDA/USB-C_GPP_B02 | I/OD | ISH I2C 0 Data ISH I3C 0 Data |
| GPP_B03/ISH_I2C0_SCL/ISH_I3C0_SCL/I2C2A_SCL/USB-C_GPP_B03 | I/OD | ISH I2C 0 Clk ISH I3C 0 Clk |
| GPP_H14/ISH_UART1_RXD/UART1A_RXD/ISH_I2C1_SDA/USB-C_GPP_H14 | I/OD | ISH I2C 1 Data ISH UART1 Receive Data |
| GPP_H15/ISH_UART1_TXD/UART1A_TXD/ISH_I2C1_SCL/USB-C_GPP_H15 | I/OD | ISH I2C 1 Clk ISH UART1 Transmit Data |
| GPP_B18/ISH_I2C2_SDA/I2C4A_SDA/USB-C_GPP_B18 | I/OD | ISH I2C 2 Data |
| GPP_B19/ISH_I2C2_SCL/I2C4A_SCL/USB-C_GPP_B19 | I/OD | ISH I2C 2 Clk |
| GPP_D01/I2C3A_SDA/BKLTEN2/ISH_I2C2A_SDA/USB-C_GPP_D01 | I/OD | ISH I2C 2A Data |
| GPP_D02/I2C3A_SCL/BKLTCTL2/ISH_I2C2A_SCL/USB-C_GPP_D02 | I/OD | ISH I2C 2A Clk |
| GPP_B05/BK1/ISH_GP0/SBK1/USB-C_GPP_B05 | I/O | ISH GPIO 0 |
| GPP_B06/BK2/ISH_GP1/SBK2/USB-C_GPP_B06 | I/O | ISH GPIO 1 |
| GPP_B07/BK3/ISH_GP2/SBK3/USB-C_GPP_B07 | I/O | ISH GPIO 2 |
| GPP_B08/BK4/ISH_GP3/SBK4/USB-C_GPP_B08 | I/O | ISH GPIO 3 |
| GPP_B04/BK0/ISH_GP4/SBK0/USB-C_GPP_B04 | I/O | ISH GPIO 4 |
| GPP_B22/TIME_SYNC0/ISH_GP5/USB-C_GPP_B22 | I/O | ISH GPIO 5 |
| GPP_B23/TIME_SYNC1/ISH_GP6/USB-C_GPP_B23 | I/O | ISH GPIO 6 |
| GPP_E05/SATA_DEVSLP1/ISH_GP7/USB-C_GPP_E05(UH) GPP_E05/ISH_GP7/USB-C_GPP_E05(U Type4) | I/O | ISH GPIO 7 |
| GPP_B20/I2C5A_SDA/ISH_GP8/USB-C_GPP_B20 | I/O | ISH GPIO 8 |
| GPP_B21/I2C5A_SCL/ISH_GP9/USB-C_GPP_B21 | I/O | ISH GPIO 9 |
| GPP_E16/PROC_GP3/VRALERT#/ISH_GP10/USB-C_GPP_E16 | I/O | ISH GPIO 10 |
| GPP_F09/RSVD/SX_EXIT_HOLDOFF#/ISH_GP11/USB-C_GPP_F09 | I/O | ISH GPIO 11 |
| GPP_E15/PROC_GP2/RSVD/ISH_GP5A/USB-C_GPP_E15 | I/O | ISH GPIO 5A |
| GPP_F10/SATAXPCIE1/SATAGP1/ISH_GP6A/USB-C_GPP_F10(UH) GPP_F10/ISH_GP6A/USB-C_GPP_F10(U Type4) | I/O | ISH GPIO 6A |
| GPP_F22/ISH_GP8A/USB-C_GPP_F22 | I/O | ISH GPIO 8A |
| GPP_F23/ISH_GP9A/USB-C_GPP_F23 | I/O | ISH GPIO 9A |
| GPP_H10/UART0_RTS#/I3C1A_SDA/ISH_GP10A/USB-C_GPP_H10 | I/O | ISH GPIO 10A |
| GPP_H11/UART0_CTS#/I3C1A_SCL/ISH_GP11A/USB-C_GPP_H11 | I/O | ISH GPIO 11A |
| GPP_D06/ISH_UART0_TXD/ISH_SPI_CLK/SML0BCLK/USB-C_GPP_D06 | O | ISH UART 0 Transmit Data ISH SPI Clock |
| GPP_D05/ISH_UART0_RXD/ISH_SPI_CS#/SML0BDATA/USB-C_GPP_D05 | I | ISH UART 0 Receive Data ISH SPI Chip Select |
| GPP_D07/IMGCLKOUT4/ISH_UART0_RTS#/ISH_SPI_MISO/USB-C_GPP_D07 | O | ISH UART 0 Request To Send ISH SPI MISO |
| GPP_D08/ISH_UART0_CTS#/ISH_SPI_MOSI/SML0BALERT#/USB-C_GPP_D08 | I | ISH UART 0 Clear to Send ISH SPI MOSI |
| GPP_H07/I2C3_SCL/UART1_TXD/ISH_UART1A_TXD/USB-C_GPP_H07 | O | ISH UART 1A Transmit Data |
| GPP_H06/I2C3_SDA/UART1_RXD/ISH_UART1A_RXD/USB-C_GPP_H06 | I | ISH UART 1A Receive Data |
| GPP_F17/THC1_SPI2_CS#/ISH_SPIA_CS#/GSPI1_CS0#/USB-C_GPP_F17 | O | ISH SPIA Chip Select |
| GPP_F11/THC1_SPI2_CLK/ISH_SPIA_CLK/GSPI1_CLK/USB-C_GPP_F11 | O | ISH SPIA Clock |
| GPP_F12/GSXDOUT/THC1_SPI2_IO0/ISH_SPIA_MISO/GSPI1_MOSI/I2C5_SCL/USB-C_GPP_F12 | I | ISH SPIA MISO |
| GPP_F13/GSXSLOAD/THC1_SPI2_IO1/ISH_SPIA_MOSI/GSPI1_MISO/I2C5_SDA/USB-C_GPP_F13 | O | ISH SPIA MOSI |