Interfaces Note : COM Express Type 7 Ryzen V3000 dev kit consists of a COM Express Type 7 module powered by AMD Ryzen Embedded V3000 processor (V3C18I) and a COM Express Base 7 Plus carrier. This page aims to lay out the user’s interface of COM Express Type 7 Ryzen V3000 dev kit. Connector Pinouts and Signal DescriptionsCOM Ports ConnectorCOM 1 & 2: General Purpose Serial Interface ports from module. COM1: Module UART port_1, 2.54 mm pitch (at CN6 header) COM2: Module UART port_0, 2.54 mm pitch (at CN7 header) | Pin | Signal | Pin | Signal | | :--- | :-------- | :--- | :----- | | 1 | NC | 2 | NC | | 3 | SER1_RX_R | 4 | NC | | 5 | SER1_TX_R | 6 | NC | | 7 | NC | 8 | NC | | 9 | GND | 10 | NC | COM 3 & 4: Serial Interface ports from super I/O. COM3 (Top): super I/O UART port (Rear I/O, DB9) COM4 (Bottom): super I/O UART port (Rear I/O, DB9) | **Pin** | **Signal** | **Pin** | **Signal** | | ------- | ---------- | ------- | ---------- | | 1 | DCD# | 6 | DSR | | 2 | RXD | 7 | RTS# | | 3 | TXD | 8 | CTS# | | 4 | DTR# | 9 | RI# | | 5 | GND | | | PCIe Lane One PCIe Gen4 x8 lanes at a x16 slot. Six PCIe lanes at a x8 slot. FAN 2 FAN for system (FAN1 & FAN2, controlled by Super I/O) 1 FAN for COM Express Module (FAN3, controlled by COM Express Module) | **Pin** | **Signal** | | ------- | ----------------------- | | 1 | GND | | 2 | Fan Power 12V | | 3 | Fan Speed Sense | | 4 | Fan Speed Control (PWM) | I2C and SMB Bus (for user access) I2C Bus, 2.54 mm pitch (at CN33 header) | **Pin** | **Signal** | | ------- | ---------- | | 1 | + 3.3V | | 2 | I2C_DAT | | 3 | I2C_CK | | 4 | GND | SMBus, 2.54 mm pitch (at CN34 header) | **Pin** | **Signal** | | ------- | ---------- | | 1 | + 3.3V | | 2 | SMB_DAT | | 3 | SMB_CK | | 4 | GND | Power Input: 24 pin | Pin | Signal | Pin | Signal | | :--- | :------- | :--- | :----- | | 1 | +3.3V | 13 | +3.3V | | 2 | +3.3V | 14 | -12 V | | 3 | Ground | 15 | COM | | 4 | +5 V | 16 | PWR_ON | | 5 | Ground | 17 | COM | | 6 | +5 V | 18 | COM | | 7 | Ground | 19 | COM | | 8 | PWR_GOOD | 20 | -5 V | | 9 | +5 V(SB) | 21 | +5 V | | 10 | +12 V | 22 | +5 V | | 11 | +12 V | 23 | +5 V | | 12 | +3.3 V | 24 | COM | 4 pin | **Pin** | **Signal** | | :------ | ---------- | | 1 | GND | | 2 | GND | | 3 | +12V | | 4 | +12V | *ATX Mode Default (24-pin)