Gigabyte Z690 UD DDR4 User Manual - Page 15

Installing the Memory, Dual Channel Memory Configuration

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2-4 Installing the Memory Read the following guidelines before you begin to install the memory: •• Make sure that the motherboard supports the memory. It is recommended that memory of the same capacity, brand, speed, and chips be used. (Go to GIGABYTE's website for the latest supported memory speeds and memory modules.) •• Always turn off the computer and unplug the power cord from the power outlet before installing the memory to prevent hardware damage. •• Memory modules have a foolproof design. A memory module can be installed in only one direction. If you are unable to insert the memory, switch the direction. Dual Channel Memory Configuration This motherboard provides four memory sockets and supports Dual Channel Technology. After the memory is installed, the BIOS will automatically detect the specifications and capacity of the memory. Enabling Dual Channel memory mode will double the original memory bandwidth. The four memory sockets are divided into two channels and each channel has two memory sockets as following: Channel A: jklDDR5_A1/DDR5_A2, mnDDR4_A1/DDR4_A2 Channel B: jklDDR5_B1/DDR5_B2, mnDDR4_B1/DDR4_B2 * Recommended Dual Channel Memory Configuration: DDR5_A1jkl DDR5_A2jkl DDR5_B1jkl DDR5_B2jkl DDR4_A1mn DDR4_A2mn DDR4_B1mn DDR4_B2mn 2 Modules - - DS/SS - - DS/SS 4 Modules DS/SS DS/SS (SS=Single-Sided, DS=Double-Sided, "- -"=No Memory) DS/SS DS/SS Due to CPU limitations, read the following guidelines before installing the memory in Dual Channel mode. 1. Dual Channel mode cannot be enabled if only one memory module is installed. 2. When enabling Dual Channel mode with two or four memory modules, it is recommended that memory of the same capacity, brand, speed, and chips be used. DDR5_A1jkl/DDR4_A1mn DDR5_A2jkl/DDR4_A2mn DDR5_B1jkl/DDR4_B1mn DDR5_B2jkl/DDR4_B2mn When installing a single memory module, we recommend that you install it in the DDR5_A2jkl/DDR4_A2mn socket. j Only for Z690 UD AC. k Only for Z690 UD AX. l Only for Z690 UD. m Only for Z690 UD AX DDR4. n Only for Z690 UD DDR4. - 15 -

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- 15 -
2-4
Installing the Memory
Read the following guidelines before you begin to install the memory:
•
Make sure that the motherboard supports the memory. It is recommended that memory of the same
capacity, brand, speed, and chips be used. (Go to GIGABYTE's website for the latest supported
memory speeds and memory modules.)
•
Always turn off the computer and unplug the power cord from the power outlet before installing the
memory to prevent hardware damage.
•
Memory modules have a foolproof design. A memory module can be installed in only one direction.
If you are unable to insert the memory, switch the direction.
Dual Channel Memory Configuration
This motherboard provides four memory sockets and supports Dual Channel Technology. After the memory
is installed, the BIOS will automatically detect the specifications and capacity of the memory. Enabling Dual
Channel memory mode will double the original memory bandwidth.
The four memory sockets are divided into two channels and each channel has two memory sockets as following:
±
Channel A:
jkl
DDR5_A1/DDR5_A2,
mn
DDR4_A1/DDR4_A2
±
Channel B:
jkl
DDR5_B1/DDR5_B2,
mn
DDR4_B1/DDR4_B2
*
Recommended Dual Channel Memory Configuration:
DDR5_A1
jkl
DDR4_A1
mn
DDR5_A2
jkl
DDR4_A2
mn
DDR5_B1
jkl
DDR4_B1
mn
DDR5_B2
jkl
DDR4_B2
mn
2 Modules
- -
DS/SS
- -
DS/SS
4 Modules
DS/SS
DS/SS
DS/SS
DS/SS
(SS=Single-Sided, DS=Double-Sided, "- -"=No Memory)
Due to CPU limitations, read the following guidelines before installing the memory in Dual Channel mode.
1. Dual Channel mode cannot be enabled if only one memory module is installed.
2. When enabling Dual Channel mode with two or four memory modules, it is recommended that memory of
the same capacity, brand, speed, and chips be used.
When installing a single memory module, we recommend that you install it in the
DDR5_A2
jkl
/DDR4_A2
mn
socket.
DDR5_A1
jkl
/DDR4_A1
mn
DDR5_A2
jkl
/DDR4_A2
mn
DDR5_B1
jkl
/DDR4_B1
mn
DDR5_B2
jkl
/DDR4_B2
mn
j
Only for Z690 UD AC.
k
Only for Z690 UD AX.
l
Only for Z690 UD.
m
Only for Z690 UD AX DDR4.
n
Only for Z690 UD DDR4.