Acer 5540 - Manual (Page 37)

Chapter 1 31
Bluetooth Interface
Item Specification
Chipset Built-in ICH7M
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 802.11b/g (optional device)
Item Specification
Chipset Built-in ICH7M
Data throughput 11~54 Mbps
Protocol 802.11b+g
Interface Mini-PCI
Hard Disk Drive Interface
Item
Vendor &
Model Name Seagate 40G ST9402112A
Toshiba MK4025GAS
Hitachi HTS421240H9AT00
WD WD400UE-22HCT0
Samsung M40MP0402H Seagate ST96812A
Seagate ST960821A
Toshiba MK6025GAS
HGST HTS541260H9AT00
WD WD600UE-22HCT0 TOSHIBA MK8025GAS
HITACHI HTS421280H9AT00
SEAGATE ST9808210A
SEAGATE ST98823A
TOSHIBA MK8026GAX
HGST HTS541280H9AT00
WD WD800UE-22HCT0
Capacity (MB) 40000 60000 80000
Bytes per
sector 512 512 512
Data heads 2 3 (for Hitachi and Seagate)
4 (for Toshiba) 4 (for Hitachi)
3 (for Seagate)
Drive Format
Disks 1 2 2
Spindle speed
(RPM) 4200 RPM 4200 RPM 4200 RPM
Performance Specifications
Buffer size 2048KB 8192KB 8192KB
Interface ATA/ATAPI-6; ATA-6 ATA/ATAPI-6; ATA-6 ATA/ATA-6; ATA-6
Max. media
transfer rate
(disk-buffer,
Mbytes/s) 372 350 350
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
DC Power Requirements
Voltage
tolerance 5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5%