MSI MEG Z590 UNIFY-X [44/74] Jdash1 tuning controller connector

Overview of Components

Tuning Controller

JDASH1

Debug Code LED

OC button+ OC Fail Save

OC button-

Tuning Controller cable

OC Retry

Power

Reset Clear CMOS

Using Tuning Controller

Tuning controller is a multiple functions module that helps you to monitor, control

and overclock the motherboard more easily. Please follow the instructions below to

understand the function of each button on the module.

∙ Debug Code LED - it displays CPU core temperature (default), progress and error

codes during and after POST. Please refer to the Debug Code LED table in this manual

for details.

∙ OC button- / + - these buttons are used to decrease/ increase the CPU base clock/

CPU ratio. Please go to BIOS > OC > Direct OC Button and select the CPU BCLK or

CPU Ratio to be overclocked.

∙ Reset - this button allows you to reset the computer.

∙ Power - this button allows you to power on and off the computer.

∙ OC Fail Save - press and hold the button and start the system simultaneously to

boot in Safe Boot mode. The system will boot with default and lower the PCIe (from

CPU) mode.

∙ OC Retry - press and hold this button for retrying OC settings until the system boot

up successfully.

∙ Clear CMOS - power off the computer and than long press this button for 5-10

seconds to reset BIOS with defaults.

Connecting the JDASH1 and Tuning Controller module

JDASH1 : Tuning Controller connector

This connector is used to connect an optional Tuning Controller module.

2 14

1 No Pin 2 NC

3 MCU_SMB_SCL_M 4 MCU_SMB_SDA_M

5 VCC5 6 Ground

7 PSIN#_R 8 FP_RST#_R

9 OC_RETRY# 10 OC_FS

11 BLK+ 12 BLK-

13 CLRCMOS_EN 14 NC