• Welcome to TechPowerUp Forums, Guest! Please check out our forum guidelines for info related to our community.

How to view Broadwell subtimings in Windows?

FiftyTifty

New Member
Joined
Oct 9, 2023
Messages
16 (0.05/day)
Been having some fun with my Atermiter RAM after I upgraded from an 8 core Haswell to a 16 core Broadwell, but am at a loss with the subtimings. I've not been able to find anyone share a way to see them in Windows. Reason for why is that the motherboard doesn't display the current value with them at auto, so I've no idea what to put in as the default values with my current subtimings.

All I've done so far is go down the JEDEC preset timings for my RAM that runs at 2400Mhz before they throw errors in TestMem5 with 1usmus_v3 preset:

CL: 14
tRCD: 15
tRP: 15
tRAS: 35
tRC: 49

Northbridge Intel Broadwell-E rev. 01
Southbridge Intel Q87 rev. C2
Bus Specification PCI-Express 3.0 (8.0 GT/s)
Graphic Interface PCI-Express 1.0
PCI-E Link Width x4 (max 16x)
PCI-E Link Speed 2.5 GT/s (max 2.5 GT/s)
Memory Type DDR4
Memory Size 32 GBytes
Channels Quad
Memory Frequency 1197.2 MHz (1:18)
CAS# latency (CL) 14.0
RAS# to CAS# delay (tRCD) 15
RAS# Precharge (tRP) 15
Cycle Time (tRAS) 35
Row Refresh Cycle Time (tRFC) 313
Command Rate (CR) 1T
tCCD 4
tCCD_L 6
tCCD_WR 4
tCCD_WR_L 6
Uncore Frequency 2693.6 MHz
Host Bridge 0x6F00
---
DIMM # 4
SMBus address 0x54
Memory type DDR4
Module format RDIMM
Module Manufacturer(ID) (800000000000000000000000000000)
SDRAM Manufacturer (ID) (800000000000000000000000000000)
Size 8192 MBytes
Max bandwidth DDR4-3200 (1600 MHz)
Part number atermiter
Serial number 7313AB85
Manufacturing date Week 40/Year 15
Nominal Voltage 1.20 Volts
EPP no
XMP no
AMP no
EXPO no
JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency
JEDEC #1 10.0-11-11-25-35 @ 733 MHz
JEDEC #2 11.0-11-11-27-38 @ 800 MHz
JEDEC #3 12.0-12-12-29-41 @ 866 MHz
JEDEC #4 13.0-13-13-31-44 @ 933 MHz
JEDEC #5 14.0-15-15-35-49 @ 1033 MHz
JEDEC #6 15.0-16-16-37-52 @ 1100 MHz
JEDEC #7 16.0-17-17-39-55 @ 1166 MHz

DIMM # 1
SPD registers
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00 23 10 0C 01 84 21 00 08 00 40 00 03 00 0B 80 00
10 00 00 05 0C F8 03 00 00 6E 6E 6E 11 08 76 20 08
20 00 05 70 03 00 78 1E 2B 2E 00 00 00 00 00 00 00
30 00 00 00 00 00 00 00 00 00 00 00 00 15 0D 15 0D
40 15 0D 15 0D 15 0D 15 0D 15 0D 15 0D 15 0D 00 00
50 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70 00 00 00 00 00 83 B5 CE 00 00 00 00 00 00 B5 42
80 11 11 02 05 00 80 B3 30 00 55 05 00 00 00 00 00
90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
D0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 5F 8A
100 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
110 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
120 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
130 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
140 00 80 02 15 40 73 13 AB 85 61 74 65 72 6D 69 74
150 65 72 20 20 20 20 20 20 20 20 20 20 20 00 00 80
160 00 55 30 35 47 30 30 30 92 00 01 00 00 00 00 00
170 01 01 00 00 00 00 00 00 00 00 00 00 00 DD 00 00
180 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
190 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1D0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 
Top