AOM-3821 Debian 12 user guide

1產品特性(Features) 1.1產品官網鏈接（Product official website link）
2接口布局和尺寸（Layout and Sizes） 2.1AOM-3821 Board Dimension Layout 2.2AOM-3821 Mechanical Specifications 2.3Electrocal Specifications 2.4Environmental Specifications
3AOM-DB3500 Board Dimension Layout 3.1Connector Locations 3.2I/O Connector Locations 3.3Mechanical Diagram 3.4Assembly Diagram
4AOM-3821 on AOM-DB3500 Connector，Jumper，Switch Settings 4.1Connector List 4.2Jumper Locations 4.3Switch Locations 4.4Button Locations 4.5LED Function List
5快速入门（Quick Start） 5.1系统下载（OS Download） 5.2Debian 烧录方法（Debian flash eMMC Method）
6Linux 基本使用方式（Basic usage of Linux）
7Linux BSP 编译方法（Linux BSP Compile Method） 7.1Linux_BSP_User_Guide_for AOM-3821_Series-Debian12

產品特性(Features)

Rockchip RK3588 Arm Quad Cortex-A76 2.4GHz and Quad Cortex-A55 1.8 GHz
Onboard 4/8 GB LPDDR4 memory and 32/64 GB eMMC
Supports 8K @ 60 fps H.265/VP9 video decoding and 8K @ 30 fps H.265/H.264 video encoding
Supports HDMI, DP, eDP and LVDS/DSI
4 x PCIe 3.0, dual gigabit LAN, 2 x USB 3.0, USB2.0 OTG, SATA 3.0, 2 x CAN, 4 x MIPI-CSI, 3 x UART
Supports Linux Debian11 and Android

產品官網鏈接（Product official website link）

AOM-3821 - 研华

接口布局和尺寸（Layout and Sizes）

AOM-3821 Board Dimension Layout

AOM-3821 Mechanical Specifications

Dimension：RTXe form factor size：（D X W）77 x 65 mm
Height on Top：2mm
Height on Bottonm：1.5mm

Electrocal Specifications

Power Supply Voltage：DC-in 5V+-5%
Power Supply Current：

Model	Maximum mode	Kernel idle	Sleep mode
AOM-3821	7.61W	1.40W	0.07W

Test Conditions: 1. Test loading: - Maximum load mode: Running programs* - Idle mode: DUT power management off and no running any program 2. OS: Debian12 *Programs software: Burnin.sh (full loading for CPU+NPU+GPU+VPU)

Environmental Specifications

Operating Temperature：0~70 °C / -40 ~ 85 °C
Operating Humidity: 40°C @ 95% relative humidity, non-condensing
Storage Temperature: -40 ~ 85 °C
Storage Humidity: 95% @ 60 °C

AOM-DB3500 Board Dimension Layout

Connector Locations

I/O Connector Locations

Mechanical Diagram

For more details regarding our 2D/3D models, please visit the Advantech support service website at: http://www.advantech.com .

Board Mechanical Diagram - Front

Board Mechanical Diagram – Side1

Board Mechanical Diagram - Side2

Assembly Diagram

These figures demonstrate the order of assembly needed when attaching the thermal module and COM module to the carrier board.

AOM-3821 on AOM-DB3500 Connector，Jumper，Switch Settings

Connector List

Lable	Function	Lable	Function
DC IN	4Pin Terminal Connector for DC IN（Input）	CN3	GPIO Pin Header
ROM-AB1	RTXe connector	HDMI RX	HDMI RX Connector（Input）
ROM-CD1	RTXe connector	CAN0_1	CAN Bus Connector
PWRBTN PH	Power Button Pin Header	HDM A TYPE	HDMI Connector
RSTBTN_PH	Reset Button Pin Header	TYPEC_DP	DP&USB2.0+USB 3.0 Typec Connector
DEBUG	Debug Port	SD	SD Card Connector
MIC1	MIC-IN Connector（Input）	MICRO USB	Micro USB Connector（USB2.0 only）
LOUT1	Headphones Connector（Output）	USB1/2	TypeA USB Connector（2xUSB2.0+USB3.0）
MIC2	MIC-IN Connector（Input）	SPI_CN2	SPI0 Pin Header
LOUT2	Headphones Connector（Output）	SPI_CN1	SPI1 Pin Header
PCIEA-X4	PCIe x4 Connector	GMAC0	GMAC0 Connector
EDP	EDP Connector	GMAC1	GMAC1 Connector
EDP BL	EDP Backlight Connector	ERP DEBUG	EPR MCU FW Update Connector
I2S0	I2S0 Connector	RTC BAT	RTC Coin Battery Connector
I2S1	I2S1 Connector	CN1	Watchdog Connector
SIM	SIM card Connector	M.2_B	M.2 Key-B Connector
CN2	I2C Connector for I2C0	M.2_E1	M.2 Key-E Connector
CM1_2	COM Port Port1,2 Con-nector	M.2_E2	M.2 Key-B Connector（for SDIO）
CN4	I2C Connector for I2C1	CN6	Resvered Signal Connector
CSI0_FPC	MIPI FPC Connector for CSI0	CN5	SDIO Connector（for SD1）
CSI1_FPC	MIPI FPC Connector for CSI1	CN7	Supply +5V Connector
CSI2_FPC	MIPI FPC Connector for CSI2

Jumper Locations

Switch Locations

Button Locations

Lable	Function	Lable	Functiion
PWR BTN	Power Button	J8	M2_E1 Power Select
RST BTN	Reset Button	J10	M.2_B Power Selsct
SW1	BOOT SELECT Switch	J9	UART1 to M2_E2 or M2_E1 Connector Select
SW2	USB0 PWE_EN Select Switch	J2	AT/ATX Select Header
SW3	USB0 OC# Select Switch	J37	GPIO4_Z_G Selection
J12	EDP0/LVDS0/DSI Hot-Plug Detect Selection Header	J26	GPIO0_Z_G Selection
J15	EDP VDD Power Select	J28	GPIO0 Selection
J16	EDP Backlight Power Select	J31	GPIO4 Selection
J17	Header For SD1 Selection	J20	GPIO7 Selection
J18	Header For SD1_CD# Selecttion	J24	GPIO7A Selection
J30	Header For EDP0_BKLT_EN and EDP0_BKLT_PWM	J25	GPIO1 Selection
J22	CAN0 BUS Terminal Resistor	J27	GPIO1_Z_G Selection
J23	CAN1 BUS Terminal Resistor	J29	GPIO6 Selection
J14	Header For WDT_OUT# Link Selection	J32	GPIO5 Selection
J13	Header For WDT_OUT# Selection	J1	SD0_WP Select Header
J11	TYPEC_OTG_ID Selection Header	J5	SPI1_CS# Select Header
J6	SPI0_CS# Select Header	J7	USB3 2.0 OTG and Host Select Header
J35	U7 mode Select	J36	U58 mode Select

LED Function List

Location	Function
+V12 LED	Carrier Board +V12 Indicate
+V12 SB LED	Carrier Board +V12_SB Indicate
+V3.3 LED	Carrier Board +V3.3 Indicate
+V3.3 SB LED	Carrier Board +V3.3_SB Indicate
+V5 LED	Carrier Board +V5 Indicate
+V5 SB LED	Carrier Board +V5_SB Indicate
MOD_PWR_LED	Module Power Indicate
LED1	M2_E1-Key LED1 Indicate
LED2	M2_E1-Key LED2 Indicate
LED3	M2_B-Key LED3 Indicate
LED4	M2_E2-Key LED4 Indicate
LED5	M2_E2-Key LED5 Indicate

快速入门（Quick Start）

系统下载（OS Download）

Note：LIV=Yocto Linux , UIV=Ubuntu，DIV=Debain，AIV=Android

LBV=BSP，LIV=Image

Product	Image Version	Release Date	Release Version	Release notes	Image Download	BSP Download Tag	SDK	Comment	Test Report
AOM-3821	DIV110067	2025/06/16	RTM	Release_Note	Baidu Password：a887 Dropbox	RK3588_RISC_DIV110067.xml	Ask PM for Help		Test Report

Alpha: Basic I/O function bring up by RD;
Beta: Basic I/O function、performance and middleware verified by RD. Peripherals integrated;
GA: Beta version by QE verification;
RTM: Beta version by SI/Power/QE verification and pre-loaded;