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4. SPECIFICATIONS
(7) Maximum current specifications (USB port, Extension slot)
The following table shows the maximum total current consumption for each of the USB
ports, extension slots (PCI Express / PCI). Make sure that the inrush current when a
device is connected does not exceed the specified maximum current. If the inrush current
exceeds the specified maximum current, the surge protection circuit may be activated and
the connected device may not be recognized.
Extension slot for PCI-Express (*2)
(*1) 5 V can be supplied to the extension slot (1 A) and the USB ports (3 A: 0.5 A × 6 ports) at
the same time.
(*2) Extension slots are installed HF-BX1200 only.
Item
USB port
Extension slot for PCI (*2)
Maximum current
Voltage
(*1)
5 V
0.5 A/port
3.3 V
1.0 A/slot
5 V
1.0 A/slot
12 V
1.0 A/slot
3.3 V
5 V
12 V
4-6
3.0A/slot
-
2.1A/slot
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