HP ProBook 6540b User Manual

Specifications
Maintenance and Service Guide 6–5
DVD±RW and CD-RW SuperMulti Double-Layer Drive specifications
Applicable disc Read: Write:
CD-DA, CD+(E)G, CD-MIDI,
CD-TEXT, CDROM,
CD-ROM XA,
MIXED MODE CD, CD-I,
CD-I Bridge (Photo-CD,
Video CD), Multisession CD
(Photo-CD, CD-EXTRA,
Portfolio, CD-R, CD-RW),
CD-R, CD-RW, DVD-ROM
(DVD-5, DVD-9, DVD-10,
DVD-18), DVD-R, DVD-RW,
DVD+R, DVD+RW, DVD-RAM
CD-R and CD-RW DVD+R,
DVD+RW, DVD-R, DVD-RW,
DVD-RAM
Access time CD DVD
Random < 175 ms < 230 ms
Cache buffer 2.5 MB
Data transfer rate
24X CD-ROM 3,600 KB/sec
8X DVD 10,800 KB/sec
24X CD-R 3,600 KB/sec
16X CD-RW 2,400 KB/sec
8x DVD+R 10,800 KB/sec
4X DVD+RW 5,400 KB/sec
8X DVD-R 10,800 KB/sec
4X DVD-RW 5,400 KB/sec
2.4X DVD+R(9) 2,700 KB/sec
5X DVD-RAM 6,750 KB/sec
Transfer mode Multiword DMA mode

HP ProBook 6540b Specifications

General

Graphics	Intel HD Graphics
Operating System	Windows 7 Professional
Processor	Intel Core i5-430M
RAM	Up to 8GB DDR3
Storage	250 GB HDD (7200 rpm)
Display	15.6-inch diagonal LED-backlit HD anti-glare (1366 x 768)
Battery	6-cell Li-Ion
Weight	2.6 kg (5.7 lbs)
Chipset	Mobile Intel HM57 Express
Optical Drive	DVD+/-RW SuperMulti DL
Wireless	802.11a/b/g/n
Ports	USB 2.0, VGA, DisplayPort, eSATA, RJ-45, headphone/microphone combo jack