Acer TravelMate 650 TravelMate 650 Service Guide - Page 32

Wireless Module 802.11a/b (optional device) Item Chipset Data throughput Protocol Interface Atheros 11M~54M bps 802.11 a+b Mini_PCI type III Specification Four-in-One Card Reader Item Chipset Data throughput Protocol Specification ST7265 USB 1.1 SMC, MS, MMC, and SD Hard Disk Drive Interface Item Vendor & Model Name Specification IBM 20G IBM 30G Capacity (MB) 20000 30000 Bytes per 512 512 sector Data heads 2 3 Drive Format Disks 1 2 Spindle speed 4200 (RPM) RPM 4200 RPM Performance Specifications Buffer size 2048KB 2048KB Interface ATA-5 ATA-5 IBM 40G 40000 512 4 2 4200 RPM 2048KB ATA-5 Toshiba 20G (MK2018 ) 20000 512 2 1 4200 RPM 2048KB ATA-5 Toshiba 30G (MK3018 ) 30000 512 3 2 4200 RPM 2048KB ATA-5 Toshiba 40G (MK4018 ) 40000 512 4 2 4200 RPM 2048KB ATA-5 Hitachi 20G DK23DA -20F 20000 512 2 1 4200 RPM 2048KB ATA-5 Hitachi 30G DK23DA -30F 30000 512 3 2 4200 RPM 2048KB ATA-5 Hitachi 40G DK23DA -40F 40000 512 4 2 4200 RPM 2048KB ATA-5 Max. media 216 transfer rate (disk-buffer, Mbytes/s) Data transfer rate (host~buffer, Mbytes/s) 100 MB/ Sec. Ultra DMA mode-5 DC Power Requirements Voltage tolerance 5V(DC) +/- 5% 287 100 MB/ Sec. Ultra DMA mode-5 5V(DC) +/- 5% 245 100 MB/ Sec. Ultra DMA mode-5 5V(DC) +/- 5% 287 100 MB/ Sec. Ultra DMA mode-5 5V(DC) +/- 5% 235 100 MB/ Sec. Ultra DMA mode-5 5V(DC) +/- 5% 290 100 MB/ Sec. Ultra DMA mode-5 5V(DC) +/- 5% 366 100 MB/ Sec. Ultra DMA mode-5 5V(DC) +/- 5% 366 100 MB/ Sec. Ultra DMA mode-5 5V(DC) +/- 5% 296 100 MB/ Sec. Ultra DMA mode-5 5V(DC) +/- 5% DVD-ROM Interface Item Vendor & model name Performance Specification Transfer rate (KB/sec) Data Buffer Capacity Toshiba SD-C2502 With CD Diskette Sustained: Max 3.6Mbytes/sec 128 KBytes Specification With DVD Diskette Sustained: Max 10.8Mbytes/sec 24 Chapter 1