Acer 7220, 7520 Bluetooth Interface, Wireless Module 802.11a/b/g/n, Hard Disk Drive Interface

Modem Interface

Item	Specification
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 &	HGST HTS541680J9SA00	HGST HTS541612J9SA00	HGST HTS541616J9SA00	Toshiba MK2035GSS
Model Name	Seagate ST980811AS	Seagate ST9120822AS	Seagate ST9160821AS
	Toshiba MK8037GSX	Toshiba MK1237GSX	Toshiba MK1637GSX
	WD WD800BEVS-	WD WD1200BEVS-	WD WD1600BEVS-
	22RST0	22RST0	22RST0
Capacity (MB)	80000	120000	160000	200000
Bytes per	512	512	512	512
sector
Data heads	2	3 (for Hitachi and	4 (for Hitachi)
		Seagate)	3 (for Seagate)
		4 (for Toshiba)
Drive Format
Disks	1	1	1	1
Spindle speed	5400 RPM	5400 RPM	5400 RPM	4200 RPM
(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	372	350	350	350
transfer rate
(disk-buffer,
Mbytes/s)
Data transfer	100 MB/Sec.	100 MB/Sec.	100 MB/Sec.	100 MB/Sec.
rate	Ultra DMA mode-5	Ultra DMA mode-5	Ultra DMA mode-5	Ultra DMA mode-5
(host~buffer,
Mbytes/s)

DC Power Requirements

Chapter 1 35