4-257
PCB Connector and
Signal Information
Status
Pin
No.
Signal
Name
Destination
Function
Status
3.3V
0V
3.3V
0V
3.3V
0V
3.3V
0V
3.3V
0V
53
54
55
56
57
58
59
60
—
GND
DQ16
DQ17
DQ18
DQ19
+3.3V
DQ20
SDRAM DIMM-53
SDRAM DIMM-54
SDRAM DIMM-55
SDRAM DIMM-56
SDRAM DIMM-57
SDRAM DIMM-58
SDRAM DIMM-59
SDRAM DIMM-60
—
Ground
Data 16
Data 17
Data 18
Data 19
DC+3.3V power supply
Data 20
3.3V
0V
—
0V
61
62
63
64
65
66
67
68
69
70
71
72
—
—
CKE1
GND
DQ21
DQ22
DQ23
GND
DQ24
DQ25
DQ26
DQ27
—
—
Clock enable 1
Ground
Data 21
Data 22
Data 23
Ground
Data 24
Data 25
Data 26
Data 27
SDRAM DIMM-61
SDRAM DIMM-62
SDRAM DIMM-63
SDRAM DIMM-64
SDRAM DIMM-65
SDRAM DIMM-66
SDRAM DIMM-67
SDRAM DIMM-68
SDRAM DIMM-69
SDRAM DIMM-70
SDRAM DIMM-71
SDRAM DIMM-72
—
—
0V
3.3V
0V
3.3V
0V
3.3V
0V
3.3V
0V
3.3V
0V
3.3V
0V
3.3V
0V
3.3V
0V
5V
0V