Acer Aspire 5520 Aspire 5220/5520/5520G Service Guide - Page 40

Bluetooth Interface Item Chipset Data throughput Protocol Interface Connector type Specification Broadcom Bluetooth® 2.0+EDR 723 bps (full speed data rate) Bluetooth 1.1 (Upgradeable to Bluetooth 1.2 when SIG specification is ratified). USB 1.1 USB Wireless Module 802.11a/b/g/n Item Chipset Data throughput Protocol Interface Specification Broadcom 4311/4312 or Atheros XB63 11~54 Mbps 802.11a+b+g+Draft-n/802.11a+b+g/802.11b+g PCI Hard Disk Drive Interface Item Vendor & Model Name HGST HTS541680J9SA00 Seagate ST980811AS Toshiba MK8037GSX WD WD800BEVS22RST0 HGST HTS541612J9SA00 Seagate ST9120822AS Toshiba MK1237GSX WD WD1200BEVS22RST0 HGST HTS541616J9SA00 Seagate ST9160821AS Toshiba MK1637GSX WD WD1600BEVS22RST0 Toshiba MK2035GSS Capacity (MB) 80000 120000 160000 200000 Bytes per 512 512 512 512 sector 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 5400 RPM (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 372 350 350 350 transfer rate (disk-buffer, Mbytes/s) 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 Voltage tolerance 5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5% 34 Chapter 1