HP ProBook 6540b User Manual

4–76 Maintenance and Service Guide
Removal and replacement procedures
Remove the system board:
1. Disconnect the following cables:
❏ Bluetooth module cable 1 from the system board
❏ Modem module cable 2 from the modem module
❏ External monitor cable 3 from the system board
2. Remove the three slotted Torx T8M2.5×7.0 screws 1 and 2 that secure the system board to the base
enclosure. The front-most screw 2 is present only on HP Compaq 6545b and 6540b computer models.

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