ASROCK TRX50 WS Instruction Manual
Technical Information November 14, 2023
Page 1
The information contained herein is the exclusive property of ASRock and shall not be distributed, reproduced, or disclosed in whole or in part without
prior written permission of ASRock.
ASRock TRX50 WS Guidelines
Overview
CPU Installation
oCPU Installation Notes
oCPU Fan Connector
Memory Installation and Specification
CPU and PCIe Devices Power Connections
oCPU Power Connectors
oPCIE Power Connector
Other Important Topics
oAMD Overclocking Notification and Registration
oFlashback Feature
oConnecting a Secondary PSU
oMOS Fan Control
Technical Information November 14, 2023
Page 2
The information contained herein is the exclusive property of ASRock and shall not be distributed, reproduced, or disclosed in whole or in part without
prior written permission of ASRock.
CPU Installation
CPU Installation Notes
Please visit ASRock website and refer to user manual pages 14 to 23.
CPU Fan Connector
1. Please connect the CPU fan or radiator fan to the header “CPU_FAN1”. This way,
the CPU temperature will be used as reference for the CPU fan.
(If for some reason you would like to use a different header for the CPU/radiator
fan, make sure to select “Monitor CPU” as “Temp Source” for that header.)
2. If an AIO water cooler is used, please connect the pump to CPU_FAN2/WP, as it is
set to W_PUMP mode and full speed by default.
Technical Information November 14, 2023
Page 3
The information contained herein is the exclusive property of ASRock and shall not be distributed, reproduced, or disclosed in whole or in part without
prior written permission of ASRock.
Memory Installation and Specification
1. TRX50 supports only DDR5 RDIMM ECC memory. It does not support UDIMM
(incompatible slots).
2. Debug code "00" is shown during AMD AGESA initialization. This code can be seen
for a relatively long period during the first boot, and it is does not mean that the
system has crashed or frozen.
*The boot time provided is for reference only. The actual boot time may vary depending on
the system configuration.
Technical Information November 14, 2023
Page 4
The information contained herein is the exclusive property of ASRock and shall not be distributed, reproduced, or disclosed in whole or in part without
prior written permission of ASRock.
3. Please populate the memory slots as shown below.
Technical Information November 14, 2023
Page 5
The information contained herein is the exclusive property of ASRock and shall not be distributed, reproduced, or disclosed in whole or in part without
prior written permission of ASRock.
CPU and PCIe Devices Power Connections
CPU Power Connectors
2 x 8-pin (Required) + 2 x 6-pin (Optional)
Connector Type
8-pin CPU power connector
6-pin PCIe power connector
For details, please visit ASRock website and refer to user manual pages 46 and 47.
Technical Information November 14, 2023
Page 6
The information contained herein is the exclusive property of ASRock and shall not be distributed, reproduced, or disclosed in whole or in part without
prior written permission of ASRock.
PCIE Power Connector
6-pin (Required)
For details, please visit ASRock website and refer to user manual page 48.
Technical Information November 14, 2023
Page 7
The information contained herein is the exclusive property of ASRock and shall not be distributed, reproduced, or disclosed in whole or in part without
prior written permission of ASRock.
Other important topics
1. AMD Overclocking Notification and Registration.
When you attempt to overclock the system, the BIOS will display an AMD
overclocking notification. This notification is part of AMD's overclocking
mechanism. Press “yes” if you want to enter overclocking mode. This will be
registered within the AMD CPU, for reference by the AMD warranty team.
A CPU will generate this warning message only once. After accepting the message
and consequences, the BIOS will no longer display this message with this CPU.
Technical Information November 14, 2023
Page 8
The information contained herein is the exclusive property of ASRock and shall not be distributed, reproduced, or disclosed in whole or in part without
prior written permission of ASRock.
2. Connecting a Secondary PSU
A secondary PSU is not mandatory but can be used. It can be connected to the 3-
pin ATX Power Connector ATX_CON1, using a Multi PSU Adaptor Cable. All the
power cables from the secondary PSU will be available for connecting to the
motherboard.
The Multi PSU Adaptor Cable will come with the TRX50 WS package.
For details, please visit ASRock website and refer to user manual page 45.
Technical Information November 14, 2023
Page 9
The information contained herein is the exclusive property of ASRock and shall not be distributed, reproduced, or disclosed in whole or in part without
prior written permission of ASRock.
Recommended setup when using 2 PSUs
Technical Information November 14, 2023
Page 10
The information contained herein is the exclusive property of ASRock and shall not be distributed, reproduced, or disclosed in whole or in part without
prior written permission of ASRock.
3. Flashback Feature
TRX50 WS supports the flashback feature. It allows you to update the BIOS
without powering on the system, and even without CPU. The flashback button and
the corresponding USB port are on the Rear IO panel, as shown below.
The flashback update procedure can be found on the ASRock website and
user manual page 56.
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