for
I got back to this today. Saved to disc the existing (corrupted ?) data in the serial EEPROM and cut the SDA line to the Ez-usb chip. The EZbus mixer is no longer "Becoming Ezbus" and a blank screen. But windows recognises a USB device connected and by UVCView/USB view the USB is working up to the USB chip , reading
---===>Device Information Device Bus Speed: Full Device Address: 0x00 Open Pipes: 0
*!*ERROR: No open pipes!===>Device Descriptor This is a Vendor Specific Device bDeviceSubClass: 0xFF bDeviceProtocol: 0xFF bMaxPacketSize0: 0x40 = (64) Bytes idVendor: 0x0547idProduct:
0x2131 bcdDevice: 0x0004 iManufacturer: 0x00 iProduct: 0x00 iSerialNumber: 0x00 bNumConfigurations: 0x01ie Cypress VID/PID
Where to now? presumably forcing a pipe somehow