free -g reports 17GB
ROM set reports 20GB as does the below (4+16GB) How to get the 4GB
bank to usable
kernel 5.10.x
****************
dmidecode -t memory
# dmidecode 3.3
Getting SMBIOS data from sysfs.
SMBIOS 3.2.1 present.
Handle 0x000A, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 32 GB
Error Information Handle: 0x0009
Number Of Devices: 2
Handle 0x0011, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x000A
Error Information Handle: 0x0010
Total Width: 64 bits
Data Width: 64 bits
Size: 4 GB
Form Factor: SODIMM
Set: None
Locator: DIMM 0
Bank Locator: P0 CHANNEL A
Type: DDR4
Type Detail: Synchronous Unbuffered (Unregistered)
Speed: 3200 MT/s
Manufacturer: Hynix
Serial Number: 00000000
Asset Tag: Not Specified
Part Number: HMA851S6CJR6N-XN
Rank: 1
Configured Memory Speed: 2400 MT/s
Minimum Voltage: 1.2 V
Maximum Voltage: 1.2 V
Configured Voltage: 1.2 V
Handle 0x0014, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x000A
Error Information Handle: 0x0013
Total Width: 64 bits
Data Width: 64 bits
Size: 16 GB
Form Factor: SODIMM
Set: None
Locator: DIMM 0
Bank Locator: P0 CHANNEL B
Type: DDR4
Type Detail: Synchronous Unbuffered (Unregistered)
Speed: 2667 MT/s
Manufacturer: A-DATA Technology
Serial Number: 00870000
Asset Tag: Not Specified
Part Number:
Rank: 1
Configured Memory Speed: 2400 MT/s
Minimum Voltage: 1.2 V
Maximum Voltage: 1.2 V
Configured Voltage: 1.2 V
