Lenovo B40-30 Hardware Maintenance Manual page 32

Lenovo B40-30/B40-45/B40-70/B40-80
Hardware Maintenance Manual
Table 1. Specifications (continued)
28
Feature
I/O ports
Audio
Video
WLAN
WWAN
Bluetooth
Keyboard
Touch pad
Integrated camera
Battery
AC adapter
Pre-installed
operating system
Description
• Combo audio jack × 1
• RJ45 × 1
• HDMI port × 1
• USB 2.0 × 2, USB 3.0 × 1 or USB 2.0 × 1, USB
3.0 × 2
• 4 in 1 slot × 1 (SD, SDHC, SDXC, MMC)
• OneLink Dock (on select models)
• Combo audio jack × 1
• Speaker × 2
• Built-in microphone × 1 (on select models)
CRT× 1, HDMI port × 1
• Intel 1x1 11ac + BT4.0 combo (on select
models)
• Intel 2x2 11ac + BT4.0 combo (on select
models)
• Non-Intel 1x1 11bgn + BT4.0 combo
• Non-Intel 1x1 11ac + BT4.0 combo
NA
Combined in combo card
6-row Lenovo Keyboard
Touchpad with two buttons
0.3M, 720p (on select models)
Li-Cyllinder
• 45W, 20V for integrated graphic model
• 65W, 20V for discrete graphic model
Linpus lite/DOS/Win7/Win 8.1/Win8.1
downgrade