HP ProOne 400 G2 Base Model 20-inch Touch All-in-One PC User Manual download pdf (Page 68)

Populating SODIMM sockets

The system will automatically operate in single channel mode, dual channel mode, or flex mode,

depending on how the SODIMMs are installed. Refer to the following table to identify the SODIMM

channel locations.

Location System board label Channel

Lower Socket SODIMM1 Channel A

Upper Socket SODIMM3 Channel B

●

The system will operate in single channel mode if the SODIMM sockets are populated in one

channel only.

●

The system will operate in flex mode if the memory capacity of the SODIMM in Channel A is not

equal to the memory capacity of the SODIMM 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.

●

The system will operate in a higher-performing dual channel mode if the memory capacity of the

SODIMM in Channel A is equal to the memory capacity of the SODIMM in Channel B.

●

In any mode, the maximum operational speed is determined by the slowest SODIMM in the

system.

Installing SODIMMs

There are two memory sockets on the system board. To remove or install memory modules:

1. Prepare the computer for disassembly (see

Preparing to disassemble the computer on page 27).

2. Remove the rear cover (see

Rear cover on page 30).

3. Remove the VESA panel (see

VESA panel on page 55).

58 Chapter 5 Removal and Replacement Procedures All-in One (AIO) Chassis

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HP ProOne 400 G2 Base Model 20-inch Touch All-in-One PC User Manual Page 68