Acer Aspire Z1100, Service Manual

Page: 40 / 174

1-30 Hardware Specifications and Configurations
USB Port
HDMI Port (N/A)
AC Adapter
Item Specification
USB compliance level 2.0
EHCI The PCH contains seven USB full/low-speed host controllers
that support the standard Universal Host Controller Interface
(UHCI), Revision 1.1. Each UHCI Host Controller (UHC)
includes a root hub with two separate USB ports each, for a
total of fourteen USB ports.

Overcurrent detection on all USB ports is supported. The
overcurrent inputs are not 5 V tolerant, and can be used as
GPIs if not needed.

The PCH'S UHCI host controllers are arbitrated differently
than standard PCI devices to improve arbitration latency.
USB EHCI Host Controllers (D29:F0 and D26:F0)
The PCH contains two Enhanced Host Controller Interface
(EHCI) host controllers which support up to fourteen USB 2.0
high-speed root ports. USB 2.0 allows data transfers up to 480
Mb/s. USB 2.0 based Debug Port is also implemented in the
Ibex Peak
Number of USB port(s) 6
Location 4 on base, 2 on left side
Output Current 0.5A
Item Specification
Compliance level
Data thoroughput
Number of HDMI port(s)
Location
Item Specification
Input rating 90W
Maximum input AC current 1.5A
Inrush current 3.15A
Efficiency Refer to EPA 2.0