Biostar B550MX/E PRO User Manual

Chapter 4: Useful help | 27
B550MX/E PRO | B550MH/E PRO
4.2 AMI BIOS Beep Code
Boot Block Beep Codes
Number of Beeps Descripon
3 Memory sizing error or Memory module not found
POST BIOS Beep Codes
Number of Beeps Descripon
1 Success boong.
8 Display memory error (system video adapter)
4.3 AMI BIOS post code
Code Descripon
10 PEI Core is started
11 Pre-memory CPU inializaon is started
15 Pre-memory North Bridge inializaon is started
19 Pre-memory South Bridge inializaon is started
2B Memory inializaon. Serial Presence Detect (SPD) data reading
2C Memory inializaon. Memory presence detecon
2D Memory inializaon. Programming memory ming informaon
2E Memory inializaon. Conguring memory
2F Memory inializaon (other).
31 Memory Installed
32 CPU post-memory inializaon is started
33 CPU post-memory inializaon. Cache inializaon
34 CPU post-memory inializaon. Applicaon Processor(s) (AP) inializaon
35 CPU post-memory inializaon. Boot Strap Processor (BSP) selecon
36 CPU post-memory inializaon. System Management Mode (SMM) inializaon
37 Post-Memory North Bridge inializaon is started
3B Post-Memory North Bridge inializaon (North Bridge module specic)
4F DXE IPL is started
60 DXE Core is started
F0 Recovery condion triggered by rmware (Auto recovery)
F1 Recovery condion triggered by user (Forced recovery)
F2 Recovery process started
F3 Recovery rmware image is found
F4 Recovery rmware image is loaded
E0 S3 Resume is stared (S3 Resume PPI is called by the DXE IPL)
E1 S3 Boot Script execuon
E2 Video repost
E3 OS S3 wake vector call
60 DXE Core is started
61 NVRAM inializaon
62 Installaon of the South Bridge Runme Services
63 CPU DXE inializaon is started
68 PCI host bridge inializaon
69 North Bridge DXE inializaon is started
6A North Bridge DXE SMM inializaon is started

Biostar B550MX/E PRO Specifications

General

Processor socket	Socket AM4
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen 3, AMD Ryzen 5, AMD Ryzen 7, AMD Ryzen 9 3rd Gen, AMD Ryzen 9 5th Gen
Maximum number of SMP processors	1
Audio chip	Realtek ALC897
Component for	PC
Motherboard chipset	AMD B550
PC health monitoring	FAN, Temperature, Voltage
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Windows operating systems supported	Windows 10 x64
ECC	Yes
Memory channels	Dual-channel
Memory slots type	DIMM
Number of memory slots	4
Supported memory types	DDR4-SDRAM
Maximum internal memory	128 GB
Supported memory clock speeds	2133, 2400, 2667, 2933, 3200, 3600, 3800, 4000, 4400, 4600, 4800, 4933 MHz
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	M.2, SATA III
DirectX version	12.0
Parallel processing technology support	Not supported
Number of M.2 (M) slots	2
USB 3.2 Gen 2 (3.1 Gen 2) connectors	0
Wi-Fi	No
LAN controller	Realtek RTL8111H
Ethernet interface type	Gigabit Ethernet
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
BIOS type	-
Cables included	SATA
Bundled software	BullGuard
Harmonized System (HS) code	84733020

Weight and Dimensions

Width	244 mm