参数资料
型号: IBM21P100BGB
元件分类: 总线控制器
英文描述: PCI BUS CONTROLLER, PBGA304
封装: 31 X 31 MM, HEAT SINK, PLASTIC, BGA-304
文件页数: 109/140页
文件大小: 2032K
代理商: IBM21P100BGB
IBM21P100BGB
IBM 133 PCI-X Bridge R1.1
Configuration Registers
Page 62 of 131
ppb11_pcix_regs.fm.03
July 9, 2001
5.2.5.5 Arbiter Enable Register
The Arbiter Enable 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’
Res
e
rv
ed
E
nable
A
rbit
er
6
E
nable
A
rbit
er
5
E
nable
A
rbit
er
4
E
nable
A
rbit
er
3
E
nable
A
rbit
er
2
E
nable
A
rbit
er
1
E
nable
A
rbit
er
0
7654321
0
Bit(s)
Access
Field Name and Description
7
RO
Reserved
6RW
Enable Arbiter 6
0
Disable arbitration
1
Enable arbitration
5RW
Enable Arbiter 5
0
Disable arbitration
1
Enable arbitration
4RW
Enable Arbiter 4
0
Disable arbitration
1
Enable arbitration
3RW
Enable Arbiter 3
0
Disable arbitration
1
Enable arbitration
2RW
Enable Arbiter 2
0
Disable arbitration
1
Enable arbitration
1RW
Enable Arbiter 1
0
Disable arbitration
1
Enable arbitration
0RW
Enable Arbiter 0
This bit enables arbitration for the internal bridge requests.
0
Disable arbitration
1
Enable arbitration
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