Intel MB820 User Manual
Page 17
INSTALLATIONS
MB820 User’s Manual
13
ATXP1: ATX Power Supply Connector
ATXP1 is a 20-pin ATX power supply connector. Refer to the following
table for the pin out assignments.
Signal Name
Pin #
Pin #
Signal Name
3.3V
11
1
3.3V
-12V
12
2
3.3V
Ground
13
3
Ground
PS-ON
14
4
+5V
Ground
15
5
Ground
Ground
16
6
+5V
Ground
17
7
Ground
-5V
18
8
Power good
+5V
19
9
5VSB
+5V
20
10
+12V
11 1
20 10
ATXP2: ATX 12V Power Connector
Pin #
Signal Name
1
Ground
2
Ground
3
+12V
4
+12V
DIMM1, DIMM2: DDR Channel A Connectors
DIMM1 and DIMM2 are the first DDR channel connectors that must be
use together at one time in order for the system to function properly.
DIMM3, DIMM4: DDR Channel B Connectors
DIMM3 and DIMM4 are the second DDR channel connectors that must
be use together at one time in order for the system to function properly.
AGP1: AGP Slot
PCI1, PCI2, PCI3, PCI4: PCI Slots
SL1, SL2: ISA Slots