ab12:34cd — JMICRON JMS578 SATA 6Gb/s bridge
aplic
- Vendor ID
- ab12
- Product ID
- 34cd
- Combined
- ab12:34cd
- Decimal
- 43794:13517
What is this device?
This is the USB identifier for a JMICRON JMS578 SATA 6Gb/s bridge manufactured by aplic. The vendor ID ab12 is registered to aplic with the USB Implementers Forum, and 34cd is the product ID that aplic assigned to this particular model. When you run lsusb on Linux, this device appears as ab12:34cd aplic JMICRON JMS578 SATA 6Gb/s bridge.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID ab12:34cd aplic JMICRON JMS578 SATA 6Gb/s bridge
You can filter directly with lsusb -d ab12:34cd, or get the full descriptor dump with lsusb -v -d ab12:34cd. Kernel messages from dmesg show the same pair as idVendor=ab12, idProduct=34cd.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_AB12&PID_34CD USB\VID_AB12&PID_34CD&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_AB12&PID_34CD"
macOS
$ system_profiler SPUSBDataType
JMICRON JMS578 SATA 6Gb/s bridge:
Product ID: 0x34cd
Vendor ID: 0xab12 (aplic)Driver help
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.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
ab12 aplic 34cd JMICRON JMS578 SATA 6Gb/s bridge