1357:0504 — DEMOJM

This is the USB identifier for a DEMOJM manufactured by P&E Microcomputer Systems. The vendor ID 1357 is registered to P&E Microcomputer Systems with the USB Implementers Forum, and 0504 is the product ID that P&E Microcomputer Systems assigned to this particular model. When you run lsusb on Linux, this device appears as 1357:0504 P&E Microcomputer Systems DEMOJM.

Linux

$ lsusb
Bus 001 Device 004: ID 1357:0504 P&E Microcomputer Systems DEMOJM

You can filter directly with lsusb -d 1357:0504, or get the full descriptor dump with lsusb -v -d 1357:0504. Kernel messages from dmesg show the same pair as idVendor=1357, idProduct=0504.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_1357&PID_0504
USB\VID_1357&PID_0504&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1357&PID_0504"

macOS

$ system_profiler SPUSBDataType
    DEMOJM:
      Product ID: 0x0504
      Vendor ID: 0x1357  (P&E Microcomputer Systems)

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

The exact lines this page is generated from, in the upstream source file:

1357  P&E Microcomputer Systems
	0504  DEMOJM

• 1357:0089 OpenSDA - CDC Serial Port
• 1357:0503 USB-ML-12 HCS08/HCS12 Multilink
• 1357:1000 Smart Control Touchpad

See all 4 devices from P&E Microcomputer Systems →