Lenovo 8420 Laptop User Manual


 
Memory
v Support for four double data rate (DDR or DDR2, depending on model) dual
inline memory modules (DIMMs)
v 512 KB flash memory for system programs
Internal
drives
v 3.5-inch, 1.44 MB diskette drive
v Serial Advanced Technology Attachment (SATA) internal hard disk drive
v Optical drive (some models)
Video
subsystem
v An integrated graphics controller for a Video Graphics Array (VGA) monitor
v PCI Express (x16) graphics adapter connector on the system board
Audio
subsystem
v AC’97 with ADI 1981B Audio Codec
v Line in and line out connectors on the rear panel
v Microphone and headphone connectors on the front panel
Connectivity
v 10/100/1000 Mbps integrated Broadcom Ethernet controller
v Peripheral Component Interconnect (PCI) V.90 Data/Fax modem (some models)
System
management features
v Remote Program Load (RPL) and Dynamic Host Configuration Protocol (DHCP)
v Wake on LAN
®
v Wake on Ring (in the Setup Utility program, this feature is called Serial Port
Ring Detect for an external modem)
v Remote Administration
v Automatic power-on startup
v System Management (SM) BIOS and SM software
v Ability to store power-on self-test (POST) hardware test results
Input/output
features
v 25-pin, Extended Capabilities Port (ECP)/Extended Parallel Port (EPP)
v Two 9-pin serial connectors (some models)
v Eight 4-pin, USB connectors (two on front panel and six on rear panel)
v Standard mouse connector
v Standard keyboard connector
v Ethernet connector
v VGA monitor connector
v Two rear panel audio connectors (line in and line out)
v Two front panel audio connectors (headphone and microphone)
v IEEE 1394 connector (some models)
2 User Guide