Lenovo IdeaCentre K450 Lenovo IdeaCentre K4 Series User Guide - Page 53

Replacing hardware, General information

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12V power connector Microprocessor and heat sink Memory slots (4) Mini PCI-E slot eSATA connector Solid state disk power connector (Optional) SATA connectors (4) Front panel connector Mode switch connector ROM socket Front USB header Front audio connector System fan header Battery Microprocessor fan header Thermal sensor header Power connector Power fan header LPC debug connector Serial (COM2) connector SPI debug connector Front USB connector (2) Clear CMOS jumper PCI express X 1 adapter slots (3) PCI express X 16 adapter slot Replacing hardware Attention: Do not remove the computer cover or attempt any repair before reading the "Important safety information" in the Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at http://support.lenovo.com. General information Pre-disassembly instructions Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug all power and signal cables from the computer. 3. Place the system on a flat, stable surface. 48 User Guide

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48
User Guide
12V power connector
Battery
Microprocessor and heat sink
Microprocessor fan header
Memory slots (4)
Thermal sensor header
Mini PCI-E slot
Power connector
eSATA connector
Power fan header
Solid state disk power connector
(Optional)
LPC debug connector
SATA connectors (4)
Serial (COM2) connector
Front panel connector
SPI debug connector
Mode switch connector
Front USB connector (2)
ROM socket
Clear CMOS jumper
Front USB header
PCI express X 1 adapter slots (3)
Front audio connector
PCI express X 16 adapter slot
System fan header
Replacing hardware
Attention:
Do not remove the computer cover or attempt any repair
before reading the “Important safety information” in the
Safety and
Warranty Guide
that was included with your computer or in the
Hardware
Maintenance Manual
(HMM) for the computer. To obtain copies of the
Safety and Warranty Guide
or
HMM
, go to the Support Web site at
.
General information
Pre-disassembly instructions
Before proceeding with the disassembly procedure, make sure that you do the
following:
1.
Turn off the power to the system and all peripherals.
2.
Unplug all power and signal cables from the computer.
3. Place the system on a flat, stable surface.