參數(shù)資料
型號: IBM21P100BGB
元件分類: 總線控制器
英文描述: PCI BUS CONTROLLER, PBGA304
封裝: 31 X 31 MM, HEAT SINK, PLASTIC, BGA-304
文件頁數(shù): 111/140頁
文件大小: 2032K
代理商: IBM21P100BGB
IBM21P100BGB
IBM 133 PCI-X Bridge R1.1
Configuration Registers
Page 64 of 131
ppb11_pcix_regs.fm.03
July 9, 2001
5.2.5.7 SERR# Disable Register
The SERR# Disable register controls the assertion of SERR# on the primary bus due to certain errors.
Address Offset
x‘5C’
Access
Read/Write
Reset Value
x‘00’
Res
e
rv
ed
P
E
RR#
on
P
o
s
ted
W
rit
es
S
E
RR#
Dis
able
P
rim
ary
Dis
c
a
rd
ti
m
e
r
S
E
RR#
Dis
abl
e
Seco
ndary
Discard
ti
m
e
r
S
E
RR#
Dis
abl
e
Prim
ary
R
et
ry
C
ount
SE
RR#
Dis
abl
e
Seco
ndary
R
et
ry
C
ount
SE
RR#
D
is
able
7654321
0
Bit(s)
Access
Field Name and Description
7:5
RO
Reserved
4RW
PERR# on Posted Writes SERR# Disable
Controls the SERR# assertion when a PERR# is detected on the destination bus on an error free posted write.
0
Assert SERR# and set bit 14 of the Status register if the SERR# enable bit 8 in the Command register
is set. Discard the delayed transaction.
1
Disable the assertion of SERR#.
3RW
Primary Discard Timer SERR# Disable
Controls the SERR# assertion when the primary discard timer has expired.
0
Assert SERR# and update status bit 14 in the Status register if the primary discard timer expires, the
SERR# enable bit 8 in the Command register is set, and bit 11 of the Bridge Control register is set.
Discard the delayed transaction and set bit 3 of the Retry and Timer Status register
1
Disable the assertion of SERR# if the primary discard timer expires. Discard the delayed transaction
and set bit 3 of the Retry and Timer Status register
2RW
Secondary Discard Timer SERR# Disable
Controls the SERR# assertion when the secondary discard timer has expired.
0
Assert SERR# and update status bit 14 in the Status register if the secondary discard timer expires,
the SERR# enable bit 8 in the Command register is set, and bit 11 of the Bridge Control register is set.
Discard the delayed transaction and set bit 2 of the Retry and Timer Status register.
1
Disable the assertion of SERR# if the secondary discard timer expires. Discard the delayed transac-
tion and set bit 2 of the Retry and Timer Status register.
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