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B-8
SPARCcenter 2000 System Board Manual—October 1994
B
B.5 XDBus Backplane Connectors
There are two XDBus connectors on the system board.
B.5.1 XDBus Connector 0
Figure B-4 shows the location of XDBus connector 0 and Table B-5 lists pins in
this connector.
Figure B-4
Location of XDBus Connector 0
Table B-5
XDBus Connector 0 (Connector P0200) (1 of 3)
Section 1
Section 2
Section 3
Section 4
A1
VTT
B1
GND
C1
GND
D1
SyPwrRst_L
A2
GND
B2
GND
C2
N.C.
D2
VCC
A3
VTT
B3
SYSECR
C3
GND
D3
N.C.
A4
SYRST_L
B4
AC_Fail
C4
SYSRST_L
D4
LEDGN_L
A5
LEDYEL_L
B5
LEDRED_L
C5
DIAGMODE
D5
Fan_Fail
A6
N.C
B6
GND
C6
DC_OK
D6
VCC
A7
VTT
B7
SY0RQ_L<1>
C7
GND
D7
SY0RQ_L<0>
A8
GND
B8
SY0RQS_L
C8
SY0RQ_L<2>
D8
VCC
A9
SyEClk
B9
GND
C9
SY0RQP_L
D9
SY0RQO_L
A10
SyEClk_L
B10
GND
C10
SY0GT_L
D10
VCC
A11
GND
B11
SY0GTT_L<3>
C11
GND
D11
SY0GTT_L<0>
A12
SY0GTS_L<2>
B12
GNDS
C12
SY0GTT_L<2>
D12
VCC
A13
GND
B13
SY0GTP_L
C13
GND
D13
SY0GTO_L
0
1
2
3