HP Pavilion 570-p000 Hardware Reference Guide OMEN X - Page 26

Replacing or installing DIMMs

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● The system will operate in flex mode if the memory capacity of the DIMM in Channel A is not equal to the memory capacity of the DIMM in Channel B. In flex mode, the channel populated with the least amount of memory describes the total amount of memory assigned to dual channel and the remainder is assigned to single channel. If one channel will have more memory than the other, the larger amount should be assigned to channel A. ● In any mode, the maximum operational speed is determined by the slowest DIMM in the system. Replacing or installing DIMMs IMPORTANT: You must unplug the power cord and wait approximately 30 seconds for the power to drain before adding or removing memory modules. Regardless of the power-on state, voltage is always supplied to the memory modules as long as the computer is plugged into an active AC outlet. Adding or removing memory modules while voltage is present may cause irreparable damage to the memory modules or system board. The memory module sockets have gold-plated metal contacts. When upgrading the memory, it is important to use memory modules with gold-plated metal contacts to prevent corrosion and/or oxidation resulting from having incompatible metals in contact with each other. Static electricity can damage the electronic components of the computer or optional cards. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. For more information, refer to Electrostatic discharge on page 35. When handling a memory module, be careful not to touch any of the contacts. Doing so may damage the module. 1. Prepare the computer for disassembly (Preparing for disassembly on page 8). 2. Remove the access panel (Removing and replacing the access panel on page 18). 3. To remove a DIMM, press outward on one latch on either side of the DIMM (1), and then pull the DIMM out of the socket (2). 20 Chapter 2 Hardware upgrades

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●
The system will operate in
flex
mode if the memory capacity of the DIMM in Channel A is not equal to the
memory capacity of the DIMM in Channel B. In
flex
mode, the channel populated with the least amount
of memory describes the total amount of memory assigned to dual channel and the remainder is
assigned to single channel. If one channel will have more memory than the other, the larger amount
should be assigned to channel A.
●
In any mode, the maximum operational speed is determined by the slowest DIMM in the system.
Replacing or installing DIMMs
IMPORTANT:
You must unplug the power cord and wait approximately 30 seconds for the power to drain
before adding or removing memory modules. Regardless of the power-on state, voltage is always supplied to
the memory modules as long as the computer is plugged into an active AC outlet. Adding or removing
memory modules while voltage is present may cause irreparable damage to the memory modules or system
board.
The memory module sockets have gold-plated metal contacts. When upgrading the memory, it is important
to use memory modules with gold-plated metal contacts to prevent corrosion and/or oxidation resulting from
having incompatible metals in contact with each other.
Static electricity can damage the electronic components of the computer or optional cards. Before beginning
these procedures, ensure that you are discharged of static electricity by
briefly
touching a grounded metal
object. For more information, refer to
Electrostatic discharge
on page
35
.
When handling a memory module, be careful not to touch any of the contacts. Doing so may damage the
module.
1.
Prepare the computer for disassembly (
Preparing for disassembly
on page
8
).
2.
Remove the access panel (
Removing and replacing the access panel
on page
18
).
3.
To remove a DIMM, press outward on one latch on either side of the DIMM
(1)
, and then pull the DIMM
out of the socket
(2)
.
20
Chapter 2
Hardware upgrades