Loongson SRR-4900L Embedded Box Computer|东方松柏,首睿-东方松柏

Dear customers of Oriental Songbai Technology：
Hello! Thank you for your long-term support and trust in Dongfang Songbai Technology's products and services. Dongfang Songbai Technology Company provides you with comprehensive support through channels such as the web, WeChat, and phone. The after-sales service team of Oriental Songbai Technology will track the entire process of the services provided, including on-site service, repair service, project service, as well as handling results and repair progress. If you encounter any problems during the use, repair, or other related services of the product, please feel free to contact the hotline of the Oriental Songbai Technology service team at any time. Dongfang Songbai Technology provides 7 * 24-hour hotline support for all products.
Service Hotline 400-800-1871 Provide after-sales maintenance services for Dongfang Songbai Technology products, including repair order number application and progress tracking, quotation information confirmation, warranty inquiry, on-site appointment, new product promotion, common problem summary, service consultation, etc。 WeChat after-sales service time: 8:00-19:00

Service Center：
Dear customer of Dongfang Songbai Technology, please package the product properly and attach a fault description and contact information

Location	Address	Postal code	Telephone
Beijing	Room 31078, 1st Floor, Hongyun Building, No. 3 Shuangqing Road, Haidian District, Beijing, Dongfang Songbai Technology Maintenance Center	100085	010-82331878 / 13811526685

地点	北京
地址	北京市海淀区双清路3号鸿运大厦1层31078室（东方松柏科技维修中心）
邮编	100085
电话	010-82331878 / 13811526685

Product Model	Loongson SRR-4900L Series - Domestic Platform
Processor	Loongson	Loongson 3A5000 with a main frequency of 2.3GHz and a quad core of 35W
Memory	Specifications	DDR4
Operating system	Domestic system	Kylin/UOS
Storage	MSATA	Support Mini PCIE WIFI/Bluetooth/4G module
Storage	SATA	2* SATA3.0, 1* M.2 (SSD)
Display	VGA	Motherboard integrated graphics card, 1 * VGA
Display	DVI	Motherboard integrated graphics card, 1 * DVI (Loongson has HDMI)
I/O interface	USB	6 * USB3.0 ；8 * USB2.0
	Serial port	4 RS232, 4 optional RS422
	Ethernet port	2 * Realtek RTL8111H Gigabit Ethernet Card
	Audio	1 * 3.5mm audio socket (Line out, Mic in)
	PCIE	1 * PCI-E3.0 X16 slot (X8 signal)
	Display	1DVII 1VGA
Indicator light/switch	Front	1*POWER
Programming	watchdog	Watchdog reset, programmable interval time
Environment	Operating Temperature	-20℃~65℃
	Storage temperature	-40℃~75℃
	Humidity	90%（20±50℃）
Power supply	ATX Power supply	220V
Chassis dimensions	Length * Width * Height	276mm257mm90mm
Heat dissipation	Fan cooling	Top+front and rear panel fan cooling

Product Model	Configuration
SRR-4900L/3A5000	Loongson 3A5000/2 * LAN/12 * USB3.0/4 * USB2.0/8 * RS232/1 * HDMI/1 * VGA/1 * DVI/PCIEx16 */ATX 220V power input

Product Name	Allocation
Mini PCIE	Mini PCI-E Slot (mSATA 3.0/4G/) module optional
PCIE Extend	PCIE 3.0 X16 slot (X8 signal) optional network port&video card optional
Serial port	Max. 12 * RS232 serial port (COM1-4 optional RS422) optional