PassMark PM123 - Software Compatibility Information; Troubleshooting Common Issues; No Display or Hardware Not Found Issues

Inline PSU Tester – User’s Guide Page 22
+12VDC SATA: 5.5A
+5VDC SATA: 5.5A
+3.3VDC SATA: 5.5A
Operational Voltage
5V via USB port or the +5V on the 24-
Pin connector
Operational Current
200mA
Measurement Error (A)
±2%
Measurement Error (V)
±0.5%
Case
High impact ABS plastic
Size
225mm x 85mm x 30mm
(8.8 x 3.3 x 1.2 inches)
Weight
240g (8.4 oz)
Safety Protections
Over voltage protection
+12V: protected up to 22V
+5V: protected up to 10V
+3.3V: protected up to 6.5V
Storage Temperature
-30 ºC to + 80 ºC
Usage Temperature
0 ºC to + 40 ºC
Part number
PM123
RoHS (Lead free)
Yes
Table 13
The PSU Tester firmware is software upgradeable in the field.
Software Compatibility
Window 7, 8, 10 are supported.
Windows: PSUTest software is required for Windows. Both 32bit and 64bit Windows
drivers are available.
Troubleshooting
Symptom: No display after connecting the USB cable
The tester takes its power from the Analysis port. There is most likely a fault with the
cable or computer.
Symptom: Power, but no Found New Hardware window
The basic USB device enumeration process could not be completed. This could be a
fault in the Windows O/S installation or with the USB hardware in the computer.