Acer Aspire 4252/4552/4552G_SG
Acer Aspire 4252/4552/4552G_SG
Acer Aspire 4252/4552/4552G_SG
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Bluetooth Interface<br />
Item<br />
Chipset • Foxconn Bluetooth BCM2046<br />
Hard Disk Drive Interface<br />
Specification<br />
• Foxconn Bluetooth BCM2070<br />
• Foxconn Bluetooth AR3011<br />
Radio Technology<br />
FHSS<br />
Operating Frequency 2402 ~ 2480MHz ISM band<br />
Channel Numbers<br />
79 channels with 1MHz BW<br />
Transmitter Output Power -6~4dBm output power for class2 operation<br />
Receiver Sensitivity -75dBm @ 0.1% BER (Max)<br />
Maximum Receiver Signal -10dBm<br />
Operating Voltage<br />
3.3V+/-0.3V<br />
Interface USB 2.0<br />
Protocol<br />
BCM2046: BT2.1+EDR<br />
BCM2070: BT2.1+EDR; supports BT3.0+HS after driver upgrade<br />
AR3011: BT2.1+EDR; supports BT3.0+HS after driver upgrade<br />
Connector type<br />
BCM2046: 8 pin USB2.0 with JST SM08B-SURS-TF<br />
BCM2070: 6 pin JST SM06B-XSRK-ETB (HF)<br />
AR3011: SM08B-SURS-TF(LF)(SN) JST<br />
Item<br />
Specification<br />
Capacity (GB) 160 250<br />
Vendor &<br />
Model Name<br />
Bytes per<br />
sector<br />
Seagate ST9160314AS,<br />
HGST HTS545016B9A300,<br />
Toshiba MK1665GSX,<br />
WD WD1600BEVT-22A23T0<br />
Seagate ST9250315AS,<br />
HGST HTS545025B9A300,<br />
Toshiba MK2565GSX,<br />
WD WD2500BEVT<br />
512<br />
Data heads 2 1 2 3 2<br />
Drive Format<br />
Disks 1 1 1 2 1<br />
Spindle speed<br />
5400<br />
(RPM)<br />
Performance Specifications<br />
Buffer size<br />
8 MB<br />
Interface<br />
SATA<br />
Max. Media 300 300 300 300 300 384 300<br />
Transfer Rate<br />
(Mbytes/sec<br />
max.)<br />
Max. Data<br />
1175, 875, TBD, 108544 1175, 875, 1031, 108544<br />
Transfer Rate<br />
(Mbytes/sec)<br />
DC Power Requirements<br />
Voltage<br />
5V ±5%<br />
tolerance<br />
Chapter 1 21
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