Just sharing information that the memory works on my Purism Librem 14 L14v1-01.
Codes:
- Kingston: KF432S20IBK2/64
- EAN: 0740617318364
As a firmware, I use coreboot:
root@devuan-librem ~ # dmidecode -s bios-version
24.02.01-Purism-1
The CPU i7-10710U can’t use the maximum speed of this RAM, 3200 MT/s, which has CL20.
If I understand correctly from the output below, XMP has profile for lower frequencies, with smaller timings, (in my case, probably DDR4-2666 17-19-19-35).
decode-dimms output:
root@devuan-librem ~ # decode-dimms version 4.4
Memory Serial Presence Detect Decoder
By Philip Edelbrock, Christian Zuckschwerdt, Burkart Lingner,
Jean Delvare, Trent Piepho and others
Decoding EEPROM: /sys/bus/i2c/drivers/ee1004/0-0050
Guessing DIMM is in bank 1
Kernel driver used ee1004
---=== SPD EEPROM Information ===---
EEPROM CRC of bytes 0-125 OK (0xA63F)
# of bytes written to SDRAM EEPROM 384
Total number of bytes in EEPROM 512
Fundamental Memory type DDR4 SDRAM
SPD Revision 1.1
Module Type SO-DIMM
EEPROM CRC of bytes 128-253 OK (0x2355)
---=== Memory Characteristics ===---
Maximum module speed 3200 MT/s (PC4-25600)
Size 32768 MB
Banks x Rows x Columns x Bits 16 x 17 x 10 x 64
SDRAM Device Width 8 bits
Ranks 2
Rank Mix Symmetrical
Primary Bus Width 64 bits
AA-RCD-RP-RAS (cycles) 20-22-22-42
Supported CAS Latencies 22T, 21T, 20T, 19T, 18T, 17T, 16T, 15T, 14T, 13T, 12T, 11T, 10T, 9T
---=== Timings at Standard Speeds ===---
AA-RCD-RP-RAS (cycles) as DDR4-3200 20-22-22-42
AA-RCD-RP-RAS (cycles) as DDR4-2933 19-21-21-39
AA-RCD-RP-RAS (cycles) as DDR4-2666 17-19-19-35
AA-RCD-RP-RAS (cycles) as DDR4-2400 15-17-17-32
AA-RCD-RP-RAS (cycles) as DDR4-2133 14-15-15-28
AA-RCD-RP-RAS (cycles) as DDR4-1866 12-13-13-25
AA-RCD-RP-RAS (cycles) as DDR4-1600 10-11-11-21
---=== Timing Parameters ===---
Minimum Cycle Time (tCKmin) 0.625 ns
Maximum Cycle Time (tCKmax) 1.600 ns
Minimum CAS Latency Time (tAA) 12.500 ns
Minimum RAS to CAS Delay (tRCD) 13.750 ns
Minimum Row Precharge Delay (tRP) 13.750 ns
Minimum Active to Precharge Delay (tRAS) 26.250 ns
Minimum Active to Auto-Refresh Delay (tRC) 40.000 ns
Minimum Recovery Delay (tRFC1) 350.000 ns
Minimum Recovery Delay (tRFC2) 260.000 ns
Minimum Recovery Delay (tRFC4) 160.000 ns
Minimum Four Activate Window Delay (tFAW) 21.000 ns
Minimum Row Active to Row Active Delay (tRRD_S) 4.375 ns
Minimum Row Active to Row Active Delay (tRRD_L) 5.625 ns
Minimum CAS to CAS Delay (tCCD_L) 5.000 ns
Minimum Write Recovery Time (tWR) 15.000 ns
Minimum Write to Read Time (tWTR_S) 2.500 ns
Minimum Write to Read Time (tWTR_L) 7.500 ns
---=== Other Information ===---
Package Type Monolithic
Maximum Activate Count (MAC) Unlimited
Post Package Repair One row per bank group
Soft PPR Supported
Module Nominal Voltage 1.2 V
Thermal Sensor No
---=== Physical Characteristics ===---
Module Height 30 mm
Module Thickness 2 mm front, 2 mm back
Module Reference Card E revision 1
---=== Manufacturer Data ===---
Module Manufacturer Kingston
DRAM Manufacturer SK Hynix (former Hyundai Electronics)
Manufacturing Location Code 0x04
Manufacturing Date 2024-W47
Assembly Serial Number 0xF126F55F
Part Number KF3200C20S4/32GX
Number of SDRAM DIMMs detected and decoded: 1
lshw output:
root@devuan-librem ~ # lshw -C memory
*-firmware
description: BIOS
vendor: coreboot
physical id: 0
version: 24.02.01-Purism-1
date: 05/14/2024
size: 1MiB
capacity: 16MiB
capabilities: pci pcmcia upgrade bootselect acpi
*-cache:0
…
*-memory
description: System Memory
physical id: 9
slot: System board or motherboard
size: 64GiB
*-bank:0
description: SODIMM DDR4 Synchronous 2667 MHz (0.4 ns)
product: KF3200C20S4/32GX
vendor: Kingston
physical id: 0
serial: f126f55f
slot: Channel-0-DIMM-0
size: 32GiB
width: 64 bits
clock: 2667MHz (0.4ns)
*-bank:1
description: SODIMM DDR4 Synchronous 2667 MHz (0.4 ns)
product: KF3200C20S4/32GX
vendor: Kingston
physical id: 1
serial: 8436f2a5
slot: Channel-1-DIMM-0
size: 32GiB
width: 64 bits
clock: 2667MHz (0.4ns)
*-memory UNCLAIMED
description: RAM memory
product: Comet Lake PCH-LP Shared SRAM
vendor: Intel Corporation
physical id: 14.2
bus info: pci@0000:00:14.2
version: 00
width: 64 bits
clock: 33MHz (30.3ns)
capabilities: pm cap_list
configuration: latency=0
resources: iomemory:100-ff iomemory:100-ff memory:105ea00000-105ea01fff memory:105ea03000-105ea03fff
dmidecode output:
root@devuan-librem ~ # dmidecode --type 17
# dmidecode 3.6
Getting SMBIOS data from sysfs.
SMBIOS 3.0.0 present.
Handle 0x000A, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x0009
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 32 GB
Form Factor: SODIMM
Set: None
Locator: Channel-0-DIMM-0
Bank Locator: BANK 0
Type: DDR4
Type Detail: Unknown Synchronous
Speed: 2667 MT/s
Manufacturer: Kingston
Serial Number: f126f55f
Asset Tag: Channel-0-DIMM-0-AssetTag
Part Number: KF3200C20S4/32GX
Rank: 2
Configured Memory Speed: 2667 MT/s
Minimum Voltage: 1.2 V
Maximum Voltage: 1.2 V
Configured Voltage: 1.2 V
Handle 0x000B, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x0009
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 32 GB
Form Factor: SODIMM
Set: None
Locator: Channel-1-DIMM-0
Bank Locator: BANK 0
Type: DDR4
Type Detail: Unknown Synchronous
Speed: 2667 MT/s
Manufacturer: Kingston
Serial Number: 8436f2a5
Asset Tag: Channel-1-DIMM-0-AssetTag
Part Number: KF3200C20S4/32GX
Rank: 2
Configured Memory Speed: 2667 MT/s
Minimum Voltage: 1.2 V
Maximum Voltage: 1.2 V
Configured Voltage: 1.2 V