Realtek RTL8169 Manual page 83

CLK
FRAMEB
REQ64B
AD31-0
AD63-32
C/BE3-0B
C/BE7-4B
IRDYB
TRDYB
DEVSELB
ACK64B
Memory Read above 4GB (DAC, 64-bit address, 64-bit data transfer granted; 64-bit slot)
2002/03/27
1 2 3
LO-ADDR HI-ADDR
HI-ADDR
DAC CMD BUS CMD
BUS CMD
4 5 6
DATA-1 DATA-3
DATA-2 DATA-4
BE3-0B
BE7-4B
83
7 8 9
DATA-5
DATA-6
RTL8169
10
Rev.1.21