MSI MN54G (MS-6877)

bg (G54)
Platform
Brand • Model • Rev	MSI MS-6877
Interface	USB 2.0
Connector	Mini PCIe
ID:0db0:6877 Windows: USB\VID_0DB0&PID_6877
FCCID	I4L-MS6877
ICID	3715A-MS6877
Chip1	Ralink RT2571W
Chip2	Ralink Model?
OUI: 00:19:DB, 00:1D:92 (-, 4 W)
Antenna Connection	U.FL
Wireless Standards	IEEE 802.11b/g
802.11g	up to 54 Mbps
802.11b	up to 11 Mbps
Operating Frequency	2.4 GHz
Probable Linux driver rt73usb (in backports) USB ID first seen in kernel v2.6.24 (2008-01-24) (see also passys)
Windows driver possibly see MediaTek's website older Ralink drivers have been removed. see the Wayback Machine for some older driver sets (filter by EXE/ZIP)
Retail
FCC approval date	08 May 2006

For a list of all currently documented Ralink chipsets with specifications, see Ralink.

For a list of all currently documented MSI device with specifications, see MSI.

• 54 Mbps - 2.4GHz 802.11g = G54 class

Overview

This device uses the USB bus from mini PCI-Express connector.

lsusb -v dump

Bus 002 Device 004: ID 0db0:6877 Micro Star International RT2573
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x0db0 Micro Star International
  idProduct          0x6877 RT2573
  bcdDevice            0.01
  iManufacturer           1 Ralink
  iProduct                2 802.11 bg WLAN
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           32
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              300mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
Device Qualifier (for other device speed):
  bLength                10
  bDescriptorType         6
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  bNumConfigurations      1
Device Status:     0x0000
  (Bus Powered)

rt2x00 chipset info

rt2x00_set_chip: Info - Chipset detected - rt: 2573, rf: 0002, rev: 000a