v Single-slot, half-length PCIe card
v FCC Class A
v Four downstream, external, high-speed USB 2.0 ports
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v Data-transfer rates of 480 Mbps (high-speed), 12 Mbps (full-speed), and 1.5 Mbps (low-speed)
v Full compliance with Universal Serial Bus (USB) specifications, revision 1.1 and 2.0
v Simultaneous operation of multiple USB 2.0 and USB 1.1 devices
v Compliance with Enhanced Host Controller Interface (EHCI) and Open Host Controller Interface
(OHCI) standards
v Integrated dual-speed USB transceivers
v A total of 126 USB hubs and devices are supported by the adapter
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The four external ports are shared and controlled by three internal USB controllers. AIX might list only
the three controllers; however, all four ports are operational.
The following figure shows the adapter.
For details about slot priorities and placement rules, see the PCI adapter placement topic collection for
your system.
Specifications
Item Description
FRU number
46K7494 (Designed to comply with RoHS requirement.)
Bus architecture
PCI 2.2 compliant
Busmaster
Yes
Card type
Full size
Maximum number and adapter slots
For the maximum adapters supported, see the PCI adapter placement topic collection for your
system.
Connector
Standard USB single pin-type series "A" receptacle
Figure 56. 4-Port USB PCIe Adapter
Managing PCI adapters 163
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