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Technical Manual "Thunderbird/MM” Version 1.2
12.08.2005
Page 21 of 48
4.3 Power Connector
4.3.1 Board Type I (ATX)
Connector type: ATX-Power connector (X29)
PIN Signal
PIN Signal
11 +3,3 V
1
+3,3 V
12 -12 V
2
+3,3 V
13 GND
3 GND
14 Power Switch ON
4
+5 V
15 GND
5 GND
16 GND
6 +5
V
17 GND
7 GND
18 -5 V
8
Power OK
19 +5 V
9
+5 V (stand by)
20 +5 V
10 +12 V
4.3.2 Board Type II (Single 5 V Supply)
Connector type: AMP type 350211-1 connector (X28)
4
3
2
1
PIN Signal
1
+12 V (for PCI slot and Inverter power supply)
2 GND
3 GND
4
+5 V
4.3.3 Battery
There is a changeable battery on board. This battery is necessary to power the real-time clock
(RTC) if the power supply is switched off.
Battery Type:
CR2032
, 3 Volt
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LIPPERT
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