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: 114/144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 71 of 144
5.2.5.5 Arbiter Enable Register
This register enables arbitration for the requestors of the internal secondary bus arbitration logic on the
bridge.
Address Offset
x‘54’
Access
Read/Write
Reset Value
x‘7F’
Re
s
e
rv
e
d
En
a
b
le
Arb
ite
r
6
En
a
b
le
Arb
ite
r
5
En
a
b
le
Arb
ite
r
4
En
a
b
le
Arb
ite
r
3
En
a
b
le
Arb
ite
r
2
En
a
b
le
Arb
ite
r
1
En
a
b
le
Arb
ite
r
0
7
6
5
4
3
2
1
0
Bit(s)
Access
Field Name and Description
7
RO
Reserved
6
RW
Enable Arbiter 6
0
Disable arbitration.
1
Enable arbitration.
5
RW
Enable Arbiter 5
0
Disable arbitration.
1
Enable arbitration.
4
RW
Enable Arbiter 4
0
Disable arbitration.
1
Enable arbitration.
3
RW
Enable Arbiter 3
0
Disable arbitration.
1
Enable arbitration.
2
RW
Enable Arbiter 2
0
Disable arbitration.
1
Enable arbitration.
1
RW
Enable Arbiter 1
0
Disable arbitration.
1
Enable arbitration.
0
RW
Enable Arbiter 0
This bit enables arbitration for the internal bridge requests.
0
Disable arbitration.
1
Enable arbitration.
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