Acer Aspire 7220 - Page 41

Chapter 1 35
Modem connector type RJ11
Modem connector location Right side
Bluetooth Interface
Item Specification
Chipset
Broadcom Bluetooth
®
2.0+EDR
Data throughput 723 bps (full speed data rate)
Protocol Bluetooth 1.1 (Upgradeable to Bluetooth 1.2 when SIG
specification is ratified).
Interface USB 1.1
Connector type USB
Wireless Module 802.11a/b/g/n
Item Specification
Chipset Broadcom 4311/4312 or Atheros XB63
Data throughput 11~54 Mbps
Protocol 802.11a+b+g+Draft-n/802.11a+b+g/802.11b+g
Interface PCI
Hard Disk Drive Interface
Item
Vendor &
Model Name
HGST HTS541680J9SA00
Seagate ST980811AS
Toshiba MK8037GSX
WD WD800BEVS-
22RST0
HGST HTS541612J9SA00
Seagate ST9120822AS
Toshiba MK1237GSX
WD WD1200BEVS-
22RST0
HGST HTS541616J9SA00
Seagate ST9160821AS
Toshiba MK1637GSX
WD WD1600BEVS-
22RST0
Toshiba MK2035GSS
Capacity (MB) 80000 120000 160000 200000
Bytes per
sector
512 512 512 512
Data heads 2 3 (for Hitachi and
Seagate)
4 (for Toshiba)
4 (for Hitachi)
3 (for Seagate)
Drive Format
Disks 1 1 1 1
Spindle speed
(RPM)
5400 RPM 5400 RPM 5400 RPM 4200 RPM
Performance Specifications
Buffer size 2048KB 8192KB 8192KB 8192KB
Interface ATA/ATAPI-6; ATA-6 ATA/ATAPI-6; ATA-6 ATA/ATA-6; ATA-6 ATA/ATA-6; ATA-6
Max. media
transfer rate
(disk-buffer,
Mbytes/s)
372 350 350 350
Data transfer
rate
(host~buffer,
Mbytes/s)
100 MB/Sec.
Ultra DMA mode-5
100 MB/Sec.
Ultra DMA mode-5
100 MB/Sec.
Ultra DMA mode-5
100 MB/Sec.
Ultra DMA mode-5
DC Power Requirements
Modem Interface
Item Specification