Acer Aspire 5520 Aspire 5220/5520/5520G Service Guide - Page 42
USB Port, PCMCIA Port, System Board Major Chips, Keyboard, USB 1.1 and USB 2.0 Host controller - wireless card
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USB Port Item Chipset USB Compliancy Level OHCI Number of USB port Location Serial port function control PCMCIA Port Item PCMCIA controller Supports card type Number of slots Access location Supports ZV (Zoomed Video) port Supports 32 bit CardBus System Board Major Chips Item Core logic LAN USB 2.0 Super I/O controller MODEM Bluetooth Wireless LAN PCMCIA Audio Keyboard Item Keyboard controller Total number of keypads Windows logo key Internal & external keyboard work simultaneously Specification Built-in ICH8M 2.0 USB 1.1 and USB 2.0 Host controller 4 One on the left side; three on the rear side Enable/Disable by BIOS Setup TI PCI 7412 Type-II One type-II Left side No ZV support Yes Specification Controller North Bridge NVIDIA® MCP67-MV (Single chip) Realtek RTL8211B Built in ICH8M NS 87383 Connexant MDC 1.5 Card Broadcom 2045 Bluetooth® 2.0+EDR Broadcom 4311/4312 or Atheros XB63 Fox BRM 4311 Minicard BG TI PCI 7412 Realtek ALC268 Specification KB926 88-/89-key Yes Plug USB keyboard to the USB port directly: Yes 36 Chapter 1