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: 80/144页
文件大小: 5197K
代理商: IBM21P100BGC
IBM21P100BGC
IBM 133 PCI-X Bridge R2.0
Configuration Registers
Page 40 of 144
ppb20_pcix_regs.fm.01
October 15, 2001
Secondary Data Buffering Control
Primary Data Buffering Control
x‘40’
Device
Dependent
Region
192 bytes
N/A
Reserved
Miscellaneous
Control
x‘44’
Reserved
x‘48’ -x‘4C’
Reserved
Arbiter Mode
x‘50’
Reserved
Arbiter Enable
x‘54’
Reserved
Arbiter Priority
x‘58’
Reserved
SERR# Disable
x‘5C’
Primary Retry Counter
x‘60’
Secondary Retry Counter
x‘64’
Reserved
Discard Timer
Control
x‘68’
Reserved
Retry & Timer
Status
x‘6C’
Reserved
Opaque Memory
Enable
x‘70’
Opaque Memory Limit
Opaque Memory Base
x‘74’
Opaque Memory Base Upper 32
x‘78’
Opaque Memory Limit Upper 32
x‘7C’
PCI-X Secondary Status
Next Capabilities
Pointer
PCI-X ID
x‘80’
PCI-X Bridge Status
x‘84’
Upstream Split Transaction
x‘88’
Downstream Split Transaction
x‘8C’
Power Management Capabilities
Next Capabilities
Pointer
Power
Management ID
x‘90’
Data Register
Bridge Support
Extensions
Power Management Control/Status
x‘94’
Reserved
x‘98’ -x‘AC’
Secondary Bus Private Device Mask
x‘B0’
Reserved
x‘B4’
Reserved
Miscellaneous Control 2
x‘B8’
Reserved
x‘BC’ -x‘FC’
Table 5-2. Register Map (Page 2 of 2)
Bits/Register Names
Starting Address
Region
Subregion
31 . . .24
23 . . .16
15 . . . 08
07 . . . 00
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