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PassMark PM123 User Manual

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Inline PSU Tester User’s Guide Page 1
Inline PSU Tester
Users Guide
Model PM123 Rev 1
Document Edition: 1.3
Date: 1 November 2019
Web site: www.passmark.com
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PassMark PM123 Specifications

General IconGeneral
BrandPassMark
ModelPM123
CategoryTest Equipment
LanguageEnglish

Summary

Introduction

Important Safety Warnings

General Safety Precautions

Essential safety precautions for using the PSU Tester and handling power supplies.

Background and Standards

PSU Standards Overview

Information on PSU background, ATX/ATX12V standards, and revision changes.

PSU Cables and Connectors

Motherboard Power Cable Details

Explanation of the 20/24-pin motherboard power connector and pinout.

CPU Power Cable Details

Details the 4/8-pin CPU power connector and its variations.

PCI Express Power Cable Description

SATA Power Cable Identification

DC Voltage Regulation Standards

Output Ripple and Noise Requirements

PSU Timing Parameters Overview

Ramp Up and Slew Rate Measurement

T2 Min Slew Rate Specification

Power Sequencing Requirements

PSU Efficiency Standards Explained

Device Operation Configurations

Standalone Mode Operation

Configuration where the tester connects only to the PSU.

Inline Mode Operation

Configuration connecting tester, PSU, and motherboard for detailed analysis.

Tester LCD Display Information

Inline Mode with Monitoring Software

Using software for monitoring PSU parameters in inline mode.

PASS/FAIL Color Indicator Meanings

Explains the color coding used on the LCD for PASS/FAIL status.

Tester Keypad Functions

Power On/Off Button Functionality

Functionality of the Power On/Off button and its usage limitations.

Navigation and Mode Button Usage

How to use Up/Down and Mode buttons for display navigation and detail changes.

Input and Output Connectors Overview

Included Cables and Connections

USB Connection Cable Details

Details the USB A to B cable for connecting the tester to a PC.

24-Pin Motherboard Cable Details

Describes the 24-pin female to 20+4-pin male cable for motherboard connection.

CPU Power Cable Details

Explains the EPS 8-pin female to 4+4-pin cable for CPU power.

PCIe and SATA Cable Details

Standalone Mode Testing Procedure

Inline Mode Testing Procedure

Monitoring Software Overview

Main Monitoring Software Window

Description of the main window layout and its sections.

Software Interface Elements

COM Port Identification in Software

How the PSU Tester appears as a Virtual COM port on the PC.

PSU Statistics Display Explained

Explanation of the PSU statistics displayed, including background color meanings.

Overall Status and Control Button Functions

Section showing power status, total power, and descriptions of control buttons.

Configuration Window Options

Connected Cables Configuration

Setting to specify connected cables and exclude unavailable voltages from checks.

Compliance Mode Selection

Selecting between 'Strict' and 'Loose' modes for voltage/timing checks.

Buzzer Mode Configuration

Configuration options for the buzzer to indicate errors or compliance status.

Driver Installation Guide

Windows Driver Installation Steps

Step-by-step guide for installing drivers on Windows 7 and Windows 10.

Technical Specifications

Connectors and Measurement Capabilities

Lists connectors and details the electrical parameters the tester can measure.

Current Ratings and Protection Specs

Specifies max current ratings and over-voltage protection for voltage rails.

Software Compatibility Information

Troubleshooting Common Issues

No Display or Hardware Not Found Issues

Addresses issues of no display or PC not recognizing the tester after connection.

Real-World PSU Test Case: Antec EA-550 GREEN

Real-World PSU Test Case: Antec NeoECO 520C

Antec NeoECO 520C Efficiency Analysis

Real-World PSU Test Case: Seasonic SSR-360GP

Real-World PSU Test Case: Seasonic SSR-650RM

Seasonic SSR-650RM Slew Rate Analysis

Disclaimer