Acer Aspire Z1620 Acer Aspire Z1620 Desktop Service Guide - Page 30

System Board Major Chips Item Specification Core logic Cougar Point PCH package H61  FCBGA package  Package size: 27mm x 27mm  Ball Count: 942  Ball pitch: 0.7mm VGA Integrated graphics controller LAN RTL8201E PCI-E 4KV LAN USB 2.0 USB UHCI Host Controllers (D29:F1, F2, F3, F4 and D26:F1, F2 and F3) 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 Super I/O controller ITE 8728 Bluetooth N/A Wireless Supports Mini PCIE wireless LAN TV Supports Mini PCIE TV PCMCIA N/A Audio codec Realtek ALC887VD Card reader RTS5138 One-LUN USB 2.0 Card Reader Controller SD, SDHC, MMC, MS, MS pros lot 20