Intel 21555 User Manual
Page 182

182
21555 Non-Transparent PCI-to-PCI Bridge User Manual
List of Registers
2Bh
Upstream I/O or Memory 0 Setup [31:24]
2Ch
Upstream Memory 1 Setup [7:0]. Bits [0, 7:4] are not loaded and should be 0.
2Dh
Upstream Memory 1 Setup [15:8]. Bits [11:8] are not loaded and should be 0.
2Eh
Upstream Memory 1 Setup [23:16]
2Fh
Upstream Memory 1 Setup [31:24]
30h
Chip Control 0 [7:0]
31h
Chip Control 0 [15:8]. Bits [13:12] are not loaded and should be 0.
32h
Chip Control 1 [7:0]
33h
Chip Control 1 [15:8]
34h
Arbiter Control [7:0]
35h
Arbiter Control [15:7]. Bits [15:10] are not loaded and should be 0.
36h
Primary SERR# Disable. Bit [7] is not loaded and should be 0.
37h
Secondary SERR# Disable. it [7] is not loaded and should be 0.
38h
Power Management Data 0
39h
Power Management Data 1
3Ah
Power Management Data 2
3Bh
Power Management Data 3
3Ch
Power Management Data 4
3Dh
Power Management Data 5
3Eh
Power Management Data 6
3Fh
Power Management Data 7
40h
Reserved
41h
•
[1:0] 00b (Reserved)
•
[2] BiST Supported
•
[3] Power Management Data Register Enable
•
[5:4] Power Management Control and Status [14:13]
•
[7:6] Power Management Capabilities Register [1:0]
42h
•
[0] Power Management Capabilities Register [2]
•
[1] Power Management Capabilities Register [5]
•
[7:2] Power Management Capabilities Register [14:9]
Table 114. Serial Preload Sequence (Sheet 3 of 3)
Not all of the bits in the sequence are used. Bits that are not used must be 0 (zero)
Byte
offset
Description