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PATH Hardware Documentation
> PowerBook G3 Series 1999
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Table 4-5 describes the power lines on the expansion bay connector. The +5V line is controlled by the /MB_PWR signal from the Paddington IC.
Table 4-5 Power lines on the expansion bay connector
| GND | Ground. |
| +5V | 5 V power; maximum total current is 1.0 A. |
The power lines are equipped with current-limiting devices to protect the computer from damaged modules or short circuits. The current limit is between 1.8 and 2.0 A.
IMPORTANT
For thermal reasons, the continuous power dissipation in the expansion bay must not exceed a total of 5 W.
