参数资料
型号: IBM21P100BGC
元件分类: 总线控制器
英文描述: PCI BUS CONTROLLER, PBGA304
封装: 31 X 31 MM, PLASTIC, BGA-304
文件页数: 136/144页
文件大小: 5197K
代理商: IBM21P100BGC
IBM21P100BGC
IBM 133 PCI-X Bridge R2.0
ppb20_pcix_regs.fm.01
October 15, 2001
Configuration Registers
Page 91 of 144
5.2.5.25 Power Management Capabilities Register
This register reports information about the capabilities of the secondary interface with regard to power
management functions.
Address Offset
x‘92’
Access
Read only
Reset Value
x‘0002’
P
M
E
S
u
ppo
rt
D2
S
u
p
o
rt
D1
S
u
p
o
rt
Au
x
C
u
rre
n
t
DS
I
Re
s
e
rv
e
d
PM
E
C
lo
c
k
Ve
rs
io
n
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
Bit(s)
Access
FieldNameand Description
15:11
RO
PME Support
Forced to b‘00000’ to indicate that this device does not support the PME# pin.
10
RO
D2 Support
Forced to b‘0’ to indicate that this device does not support the D2 power management state.
9
RO
D1 Support
Forced to b‘0’ to indicate that this device does not support the D1 power management state.
8:6
RO
Aux Current
Forced to b‘000’ to indicate that this device does not support PME# generation in the D3cold power manage-
ment state.
5
RO
DSI
The device specific initialization bit reads as b‘0’ to indicate that no special initialization of this function beyond
the standard PCI configuration header is required following transition to the D0 un-initialized state.
4
RO
Reserved.
3
RO
PME Clock
Forced to b‘0’ to indicate that this device does not support PME# generation.
2:0
RO
Version
Forced to b‘010’ to indicate that this device complies with Revision 2.0 of the
PCI Power Management Interface
Specification.
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