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 Descriptions COM Ports Connector COM 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)