RTL 8139

From Misc Data Digs

A series of Ethernet adapters, most notable for its near universal support and several emulators like QEMU supporting it.

Undocumented Registers[edit | edit source]

There are five registers that were not documented, but required for proper operation.

Register Number (Unofficial) Name* Purpose
0x70 FIFOTMS FIFO Control and test.
0x74 CSCR Chip Status and Configuration Register
0x78 PARA78 Example
0x7C PARA7c Magic transceiver parameter register.
0xD8 Config5
  • Taken from QEMU source code