ASROCK B550D4M User Manual page 10

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COM Header
PSU SMB
IPMB Header
Smbus from BMC
80 Debug Port LED 1
Buzzer
ClearCMOS
OH/FanFail LED
System BIOS
BIOS Type
BIOS Features
Hardware Monitor
Temperature
Fan
Voltage
Support OS
OS
Environment
Temperature
NOTE: Please refer to our website for the latest specifications.
4
1
1
1
1
1
1 (short pad)
6 (only Fan Fail LED)
32MB AMI UEFI Legal BIOS
- Plug and Play (PnP)
- ACPI 2.0 Compliance Wake Up Events
- SMBIOS 2.8 Support
- ASRock Rack Instant Flash
- CPU/DDR temperature sensing
- MB/Card side temperature sensing
- Fan Tachometer
- Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU
Temperature)
- Fan Multi-Speed Control
Voltage Monitoring: 3VSB, 5VSB, VCPU, VSOC, VCCM, APU
VDDP, 1.05V_PROM_S5, 2.5V_PROM, 1.05V_PROM_RUN, BAT,
3V, 5V, 12V
Microsoft® Windows®:
- Windows 10 (64 bit)
- Windows 11 (64 bit)
Linux®:
- CentOs 8.4 (64 bit)
- Ubuntu 21.04 (64 bit) / 18.04.5 (64 bit)
Hypervisor:
- VMWare® ESXi 7.0 U2a
- vSphere 7.0 U2b
* On the Windows system, the RAID mode supports UEFI Boot only.
* The Linux system doesn't support the RAID Mode.
* Please refer to our website for the latest OS support list.
Operation temperature: 10°C ~ 35°C / Non operation temperature:
-40°C ~ 70°C

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