Acer TravelMate 2500 TravelMate 2000/2500 Service Guide - Page 30

. Hard Disk Drive Interface Item Vendor & Model Name HGST Moraga IC25N030ATMR04 Fujitsu V-40 MHT2030AT Seagate N1 ST93015A HGST Moraga IC25N040ATMR04TOSHIBA Pluto 40G MK4025GAS Fujitsu V40+ MHT2040AT Seagate N1 ST94019A HGST Moraga IC25N060ATMR04-0 HGST Fresno DK23FA-60 TOSHIBA Neptune MK6021GAS Capacity (MB) 30000 40000 60000 Bytes per sector 512 512 512 Logical heads 16 16 16 Logical sectors 63 63 63 Drive Format Logical cylinders 16383 16383 16383 Physical read/write heads 2/Not show/2 2/Not show/2/2 3/4 Disks 1/Not show/1 1/Not show/1/1 2 Spindle speed (RPM) 4200RPM 4200RPM 4200RPM Performance Specifications Buffer size 2MB 2MB/8MB for Toshiba 2MB/8MB for HGST Interface ATA-5 for other vendors /ATA- ATA-5 for other vendors /ATA- ATA-5 for other vendors /ATA- 6 for HGST and Toshiba 6 for HGST 6 for HGST Data transfer rate 350 (disk-buffer, Mbytes/ s) Data transfer, rate (host~buffer, Mbytes/ s) 100 MB/Sec DC Power Requirements Voltage tolerance 5 +/- 5% 350 100 MB/Sec 5 +/- 5% 350 100MB/Sec CD-ROM Interface Items Vendor & Model Name Performance Specification Brust Data Transfer rate Access time (typ.) QSI SCR242 Mitsumi SR244W1 Specification PIO mode 4: 16.7 MB/sec Max. (Mode 0~4) Multi-word DMA mode 2: 16.7 MB/sec Max. (Mode 0~2) Ultra DMA mode 2: 33.3MB/sec Max. QSIRandom: 90 ms Full Stroke: 180 ms MitsumiRandom: 100 ms Full Stroke: 240 ms 22 Chapter 1