Acer Aspire 7740 Series Service Manual page 25

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