
RTL8100B(L) 
2001-11-9 
Rev.1.41 
35 
7. PCI Configuration Space Registers 
7.1 PCI Configuration Space Table 
No. 
00h 
01h 
02h 
03h 
04h 
05h 
06h 
07h 
08h 
Name 
VID 
DID 
Command 
Status 
Revision 
ID 
PIFR 
SCR 
BCR 
CLS 
LTR 
HTR 
BIST 
IOAR 
MEMAR 
Type 
R 
R 
R 
R 
R 
W 
R 
W 
R 
R 
W 
R 
Bit7 
1 
0 
0 
1 
0 
- 
0 
- 
FBBC 
DPERR 
DPERR 
0 
Bit6 
1 
0 
0 
0 
PERRSP 
PERRSP 
0 
- 
0 
SSERR 
SSERR 
0 
Bit5 
1 
0 
1 
0 
0 
- 
0 
- 
0 
RMABT 
RMABT 
0 
Bit4 
0 
1 
1 
0 
0 
- 
0 
- 
NewCap 
RTABT 
RTABT 
0 
Bit3 
1 
0 
1 
0 
- 
- 
0 
- 
0 
STABT 
STABT 
0 
Bit2 
1 
0 
0 
0 
BMEN 
BMEN 
0 
- 
0 
DST1 
- 
0 
Bit1 
0 
0 
0 
0 
MEMEN 
MEMEN 
FBTBEN SERREN 
- 
0 
DST0 
- 
0 
Bit0 
0 
0 
1 
1 
IOEN 
IOEN 
SERREN 
0 
DPD 
DPD 
0 
09h 
0Ah 
0Bh 
0Ch 
0Dh 
0Eh 
0Fh 
10h 
11h 
12h 
13h 
14h 
15h 
16h 
17h 
18h-2Bh 
2Ch 
2Dh 
2Eh 
2Fh 
30h-33h Reserved 
34h 
35h-3Bh 
3Ch 
3Dh 
3Eh 
MNGNT 
3Fh 
40h–4Fh 
50h 
51h 
52h 
R 
R 
R 
R 
R 
W 
R 
R 
R 
W 
R/W 
R/W 
R/W 
R 
W 
R/W 
R/W 
R/W 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
1 
0 
0 
0 
0 
0 
LTR7 
LTR7 
0 
0 
0 
- 
IOAR15 
IOAR23 
IOAR31 
0 
- 
MEM15 
MEM23 
MEM31 
LTR6 
LTR6 
0 
0 
0 
- 
IOAR14 
IOAR22 
IOAR30 
0 
- 
MEM14 
MEM22 
MEM30 
LTR5 
LTR5 
0 
0 
0 
- 
IOAR13 
IOAR21 
IOAR29 
0 
- 
MEM13 
MEM21 
MEM29 
LTR4 
LTR4 
0 
0 
0 
- 
IOAR12 
IOAR20 
IOAR28 
0 
- 
MEM12 
MEM20 
MEM28 
LTR3 
LTR3 
0 
0 
0 
- 
IOAR11 
IOAR19 
IOAR27 
0 
- 
MEM11 
MEM19 
MEM27 
LTP2 
LTP2 
0 
0 
0 
- 
IOAR10 
IOAR18 
IOAR26 
0 
- 
MEM10 
MEM18 
MEM26 
LTR1 
LTR1 
0 
0 
0 
- 
IOAR9 
IOAR17 
IOAR25 
0 
- 
MEM9 
MEM17 
MEM25 
LTR0 
LTR0 
0 
0 
IOIN 
- 
IOAR8 
IOAR16 
IOAR24 
MEMIN 
- 
MEM8 
MEM16 
MEM24 
RESERVED 
SVID5 
SVID13 
SMID5 
SMID13 
- 
0 
RESERVED 
ILR5 
0 
1 
1 
RESERVED 
0 
0 
DSI 
SVID 
SMID 
R 
R 
R 
R 
- 
R 
SVID7 
SVID15 
SMID7 
SMID15 
- 
0 
SVID6 
SVID14 
SMID6 
SMID14 
- 
1 
SVID4 
SVID12 
SMID4 
SMID12 
- 
1 
SVID3 
SVID11 
SMID3 
SMID11 
- 
0 
SVID2 
SVID10 
SMID2 
SMID10 
- 
0 
SVID1 
SVID9 
SMID1 
SMID9 
- 
0 
SVID0 
SVID8 
SMID0 
SMID8 
- 
0 
Cap_Ptr 
ILR 
IPR 
R/W 
R 
R 
R 
IRL7 
0 
0 
0 
ILR6 
0 
0 
0 
ILR4 
0 
0 
0 
ILR3 
0 
0 
0 
ILR2 
0 
0 
0 
ILR1 
0 
0 
0 
ILR0 
1 
0 
0 
MXLAT 
PMID 
NextPtr 
PMC 
R 
R 
R 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
1 
0 
Aux_I_b1 
Aux_I_b0 
Reserved PMECLK 
Version