Acer Aspire 7740 Series, Service Manual

Page: 25 / 160

Chapter 1 17
Hard Disk Drive
Item
Vendor &
Model
Name HGST 2.5”
HTS543216L9A3
00
Seagate 2.5”
ST9160310AS
Toshiba 2.5”
Mk1655GSX
WD 2.5"
WD1600BEVT-
22ZCTO HGST 2.5"
HTS545025B9A3
00
Seagate 2.5”
ST9250315AS
Toshiba 2.5”
Mk2555GSX
WD 2.5”
WD2500BEVT-
22ZCT0 Seagate 2.5”
ST9320320AS
Toshiba 2.5”
Mk3255GSX
HGST 2.5"
HTS545032B9A3
00
WD 2.5"
WD3200BEVT-
22ZCT0 HGST 2.5"
HTS545050B9A
300
Seagate 2.5”
ST9500325AS
Toshiba 2.5”
Mk5055GSX
WD 2.5"
WD5000BEVT-
22ZAT0 WD 2.5”
WD6400BEVT-
22A0RT0
Capacity
(MB) 160000 250000 320000 500000 640000
Bytes per
sector 512 512 512 512 512
Data heads 3/4 2 3 4 2/4
Drive Format
Disks 2 2 2 2 NA
Spindle
speed
(RPM) 5400 RPM 5400 RPM 5400 RPM 5400 RPM 7200 RPM
Performance Specifications
Buffer size 8MB 8MB 8MB 8MB 16MB
Interface SATA SATA SATA SATA SATA
Max. media
transfer rate
(disk-buffer,
Mbytes/s) 540 875
(Max. 3.0 Gbit/s
Buffer-host data
transfer) 875
(Max. 3.0 Gbit/s
Buffer-host data
transfer) 875
(Max. 3.0 Gbit/s
Buffer-host data
transfer) Max. 3.0 Gbit/s
Buffer-host data
transfer
DC Power Requirements
Voltage
tolerance 5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5%
Optical Disc Drive
Item Specification
Vendor & model name W/O BEZEL SATA FOR HF+WINDOWS7
1. HLDS SUPER-MULTI DRIVE DL 8X GT30N LF
2. PLDS SUPER-MULTI DRIVE DL 8X DS-8A4SH LF
3. SONY SUPER-MULTI DRIVE DL 8X AD-7585H LF
4. TOSHIBA SUPER-MULTI DRIVE DL 8X TS-L633C LF
Performance Specification With CD Diskette With DVD Diskette
Transfer rate (KB/sec) Sustained:
Max 3.6Mbytes/sec Sustained:
Max 10.08Mbytes/sec
Buffer Memory 2MB
Interface SATA