2.11 Installing the Power Supply
The S8238 motherboard requires a proprietary power supply. This product does
not follow a standard ATX, ATX12v or EPS12v power connector specification.
Only the PW1 20-pin connector is required to properly power the S8238.
PW1: J16 20-Pin Power Connector (Proprietary Design)
Signal Pin Pin Signal
GND
1 2
GND
GND
3 4
GND
GND
5 6
NC
GND
7 8
+12V
GND
9 10
+12V
PSON
11 12
5VSB
GND
13 14
GND
GND
15 16
NC
+12V
17 18
+12V
+12V
19 20
+12V
TYAN recommends the use of YR190 B8238-X2 Transport System
for a complete barebones solution that includes chassis, power
supply and motherboard solution. If a separate design is
required, the 20-pin proprietary connector design would need to
follow the outline below. TYAN would also suggest a minimum of
450w per node minimum.
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