Acer Extensa 7620, Service Manual

Page: 43 / 180

Chapter 1 33
Connector type USB
Wireless Module 802.11b/g
Item Specification
Chipset Intel® Wireless WiFi Link 4965AGN (dual-band quad-
mode 802.11a/b/g/Draft-N) network connection, supporting
Acer SignalUp™ with InviLink™ Nplify™ wireless
technology
Intel® PRO/Wireless 3945ABG (dual-band tri-mode
802.11a/b/g) Wi-Fi CERTIFIED® network connection,
supporting Acer SignalUp™ wireless technology
Data throughput 11~54 Mbps, up to 270 Mbps for Draft-N
Protocol 802.11b+g, Draft-N
Interface PCI bus (mini PCI socket for wireless module)
Hard Disk Drive Interface
Item
Vendor &
Model Name HGST 2.5”
HTS541680J9SA00
SURUGA-B SEAGATE 2.5”
ST9120822AS
(9S1133-190) Venus
SATA WD 2.5”
WD1600BEVS-
22RSTO ML80 SATA HGST 2.5”
HTS541616J9SA00
SURUGA-B
Capacity
(MB) 80000 120000 160000 160000
Bytes per
sector 512 512 512 512
Data heads 2 3 3 4
Drive Format
Disks 1 2 2 2
Spindle
speed
(RPM) 5400 RPM 5400 RPM 5400 RPM 5400 RPM
Performance Specifications
Buffer size 8MB 8MB 8MB 8MB
Interface SATA SATA SATA SATA
Max. media
transfer rate
(disk-buffer,
Mbytes/s) 540 540 540 540
Data transfer
rate
(host~buffer,
Mbytes/s) 100 MB/Sec.
Ultra DMA mode-5
150 MB/Sec.
Ultra DMA mode-5
150 MB/Sec.
Ultra DMA mode-5
150 MB/Sec.
Ultra DMA mode-5
DC Power Requirements
Voltage
tolerance 5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5%
Bluetooth Interface
Item Specification
SG_Tangiz.book Page 33 Tuesday, July 10, 2007 11:01 AM