Connectors with shared bandwidth, Configuration, Configuration 1 2 – Asus ROG Strix B550-A Gaming AM4 ATX Motherboard User Manual
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Connectors with shared bandwidth
DDR4 DIMM_B1 (64bit, 288-pin module)
DDR4 DIMM_B2* (64bit, 288-pin module)
DDR4 DIMM_A1 (64bit, 288-pin module)
DDR4 DIMM_A2* (64bit, 288-pin module)
DIGI+
VRM
AIO_PUMP
CHA_FAN3
CHA_FAN2
CHA_FAN1
CPU_FAN CPU_OPT
BOOT
VGA
CPU
DRAM
M.2_1(SOCKET3)
RGB_HEADER2
COM_DEBUG
AURA
RGB_HEADER1
ADD_GEN 2
PANEL
AAFP
CLRTC
T_SENSOR
256Mb
BIOS
SATA6G_12
SATA6G_34
SATA6G_56
EATX12V_1
EATX12V_2
EATXPWR
U32G1_12
Intel
®
I225-V
BATTERY
HDMI
_DP
Super
I/O
PCIEX1_1
2280
2260
2242
M.2_2(SOCKET3)
2280
22110
22110
2260
2242
PCIEX1_2
PCIEX1_3
PCIEX16_2
PCIEX16_1
USB_E34 USB_E12
TB_HEADER
U2_56U32G1_78
AUDIO
LAN_U32G1_34
SOCKET AM4
FLBK_LED1
BIOS_FLBK
U32G2_C6
U32G2_5
AMD
B550
B
B
A
A
A
A
Configuration
1
2
A
PCIEX16_2
x4
x1
PCIEX1_1
-
x1
PCIEX1_2
-
x1
PCIEX1_3
-
x1
Configuration
1
2
B
M.2_2
PCIe 3.0 x4 / SATA
-
SATA6G_56
-
v
•
PCIEX16_2 shares bandwidth with PCIEX1_1, PCIEX1_2, and PCIEX1_3. When
PCIEX16_2 runs x4 mode, PCIEX1_1, PCIEX1_2, and PCIEX1_3 will be disabled.
PCIEX16_2 will run x1 mode when PCIEX1_1, PCIEX1_2, or PCIEX1_3 is occupied.
•
When M.2_2 slot is populated, SATA6G_56 will be disabled.