Usb Device Id Vid 058f Pid 1234 Full ^new^

Based on the USB ID VID 058F PID 1234, here is the full breakdown of the device and its proper feature set.

Common issues on Linux

Power management: The hub may go to sleep. Disable autosuspend:
```
echo on > /sys/bus/usb/devices/1-3/power/control
```
Card reader not mounting: Ensure usb_storage module is loaded:
```
sudo modprobe usb_storage
```

No proprietary driver is required.

5. Common Issues & Tools

Due to its association with low-end or counterfeit hardware, this ID may exhibit: usb device id vid 058f pid 1234 full

Slow read/write speeds (often < 10 MB/s).
Capacity fraud (looping write cycles).
Unreliable detection on USB 3.0 ports (fallback to USB 1.1 Full-Speed).

Relevant tools:

ChipGenius (Windows): Identifies the exact Alcor controller chip.
AlcorMP: Low-level formatting tool for Alcor-based flash drives.
H2testw / F3: Detect fake capacity.

How to Identify the Device Using VID/PID (Without Drivers)

You don’t need working drivers to identify the hardware. Use these methods: Based on the USB ID VID 058F PID

Part 3: Technical Specifications of the Device

If you have a device with VID 058F PID 1234, here are its typical hardware parameters:

| Parameter | Value | |-----------|-------| | Vendor | Alcor Micro Corp. | | Product | USB 2.0 Hub (or Multi-Card Reader) | | USB Version | 2.0 (480 Mbps max) | | Power Draw | 100 mA (Bus-powered) | | Supported Protocols | Mass Storage Class (if reader), Hub Class | | Typical Ports (if hub) | 4 downstream ports | | Card Support (if reader) | SD, SDHC, MMC, MS, xD (varies) | Power management : The hub may go to sleep

On Linux, running lsusb -v -d 058f:1234 will show something like:

Bus 001 Device 003: ID 058f:1234 Alcor Micro Corp. USB 2.0 Hub
Device Descriptor:
  bLength            18
  bDescriptorType     1
  bcdUSB            2.00
  bDeviceClass        9 (Hub)
  bDeviceSubClass     0
  bDeviceProtocol     1 (Single TT)
  bMaxPacketSize0    64
  idVendor           0x058f Alcor Micro Corp.
  idProduct          0x1234 USB 2.0 Hub
  bcdDevice            1.00

On macOS

Apple Menu → About This Mac → System Report → USB.
Find the device with Product ID 0x1234 and Vendor ID 0x058f.

1. Vendor Identification (VID)

Hex Code: 0x058F
Assigned To: Alcor Micro Corp. (Taiwan)
Specialty: Alcor is a prominent fabless semiconductor company known for producing controllers for USB hubs, card readers, flash drives, input devices, and embedded storage solutions.

Fix 5: Hardware Troubleshooting

If software fixes don’t help, consider hardware:

For internal card readers: Power off, open the laptop (if comfortable), reseat the small flat ribbon cable connecting the card reader board to the motherboard.
For external USB hubs: Try a different USB port, preferably a powered USB port or use a powered hub.
For desktop PCs: Update the chipset and USB controller drivers from Intel or AMD.