
4-4
Computer Group Literature Center Web Site
Connector Pin Assignments
4
CompactPCI HSC/User I/O Connector (J3)
Connector J3 is a 95 pin (excluding row F) AMP Z-pack 2mm hard metric
type B connector. This connector routes the I/O signals for the PMC I/O
and serial channels. The pin assignments for J3 are as follows (outer row
F is assigned and used as ground pins but is not shown in the table):
9
AD52
GND
VIO
AD51
AD50
9
8
AD56
AD55
AD54
GND
AD53
8
7
AD59
GND
VIO
AD58
AD57
7
6
AD63
AD62
AD61
GND
AD60
6
5
CBE5_L
GND
VIO
CBE4_L
PAR64
5
4
VIO
No Connect
(BRSVP2B4)
CBE7_L
GND
CBE6_L
4
3
CLK4
GND
GNT3_L
REQ4_L
GNT4_L
3
2
CLK2
CLK3
SYSEN_L
GNT2_L
REQ3_L
2
1
CLK1
GND
REQ1_L
GNT1_L
REQ2_L
1
Table 4-3. J3 User I/O Connector
ROW A
ROW B
ROW C
ROW D
ROW E
19
Reserved
+12V
-12V
RXD3
RXD4
19
18
HSC_EJECT_L
GND
RXC3
GND
RXC4
18
17
HSC_FLOAT
MXCLK
MXDI
MXSYNC_L
MXDO
17
16
HSC_GNT_L
GND
TXC3
GND
TXC4
16
15
HSC_REQ_L
Reserved
Reserved
TXD3
TXD4
15
14
+3.3V
+3.3V
+3.3V
+5V
+5V
14
13
PMCIO5
PMCIO4
PMCIO3
PMCIO2
PMCIO1
13
12
PMCIO10
PMCIO9
PMCIO8
PMCIO7
PMCIO6
12
11
PMCIO15
PMCIO14
PMCIO13
PMCIO12
PMCIO11
11
10
PMCIO20
PMCIO19
PMCIO18
PMCIO17
PMCIO16
10
9
PMCIO25
PMCIO24
PMCIO23
PMCIO22
PMCIO21
9
Table 4-2. CompactPCI Connector J2 (Continued)
Summary of Contents for MCP750HA Series
Page 161: ......