Acer Aspire 4930 Series Service Manual page 45

Audio Interface
Item
Audio Controller
Audio onboard or optional
Mono or Stereo
Resolution
Compatibility
Sampling rate
Internal microphone
Internal speaker / Quantity
Video Memory
Item
Chipset
Memory size
USB Interface
Item
Chipset
USB Compliancy Level
OHCI
Number of USB port
Location
Serial port function control
System Board Major Chips
Item
Core logic
VGA
LAN
USB 2.0
Super I/O controller
MODEM
Bluetooth
Wireless 802.11 b+g
Audio Codec
Keyboard
Item
Keyboard controller
Total number of keypads
Windows logo key
Internal & external keyboard work
simultaneously
Chapter 1
Specification
Realtek ALC888S-VC
Built-in
Stereo
True 5.1
Headphone-out/Line-out/SPDIF-out: UAA
Supports Dolby Home Theater
1Hz resolution VSR (Variable Sampling Rate)
Mic Array (ForteMedia, Digital Mic type)
2.0 Watt speaker/10cc chamber/speaker size 18 phi, x2
Specification
UMA NB9PGE2-256MB-GDDR3/NB9MGS-256MB-
GDDR2
256 MB
Specification
ICH9M
2.0
USB 1.1 and USB 2.0 Host controller
3
Two on the left side/one on the right side
Enable/Disable by BIOS Setup
Intel® Cantiga (GM-45 & PM-45)/ICH9M Express Chipset
UMA
Realtek RTL8111C-GR
Intel ICH9M
N/A
Foxconn/LSI AM5 V2 1.5_3.3V
Broadcom 2045 & Broadcom 2070
Atheros WLAN XB63 and Broadcom WLAN BCM4312
Realtek ALC888S-VC
Specification
LPC interface
88-/89-/93-key
Yes
Plug USB keyboard to the USB port directly: Yes
Controller
35