[S] Change in coreboot[main]: Documentation/mb/asus/p8z77-m: Latest test results

[Keith Hui (Code Review)]

Keith Hui has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/78204?usp=email )

Change subject: Documentation/mb/asus/p8z77-m: Latest test results
......................................................................

Documentation/mb/asus/p8z77-m: Latest test results

Documents latest results with this board. Mostly RAM related,
but also success with edk2.

Change-Id: I4f4c9268cd272caa83267be3f71d4a2022c26a1c
Signed-off-by: Keith Hui 
---
M Documentation/mainboard/asus/p8z77-m.md
1 file changed, 17 insertions(+), 5 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/04/78204/1

diff --git a/Documentation/mainboard/asus/p8z77-m.md b/Documentation/mainboard/asus/p8z77-m.md
index a701169..428a0f5 100644
--- a/Documentation/mainboard/asus/p8z77-m.md
+++ b/Documentation/mainboard/asus/p8z77-m.md
@@ -58,6 +58,7 @@
 - S3 suspend from Linux
 - 2-channel analog audio (WAV playback by mplayer via back panel line out port)
 - Windows 10 with libgfxinit high resolution framebuffer and VBT
+- UEFI boot into Fedora 38 with edk2 payload

## Known issues

@@ -86,16 +87,27 @@
 - 4 and 6 channel analog audio out: Rear left and right audio is a muted
   copy of front left and right audio, and the other two channels are silent.

-## Native (and MRC) raminit compatibility
+## RAM compatibility
+
+### Native and MRC raminit:

- OCZ OCZ3G1600LVAM 2x2GB kit works at DDR3-1066 instead of DDR3-1600.
-
-- GSkill F3-1600C9D-16GRSL 2x8GB SODIMM kit on adapter boots, but is highly unstable
-  with obvious pattern of bit errors during memtest86+ runs.
-
 - Samsung PC3-10600U 2x2GB kit works at full rated speed.

+### MRC raminit:
+
+- Corsair ValueSelect CMSO4GX3M1C1600C11 4GB SODIMM works at full rated speed
+  on an unbranded adapter.
+- Samsung PC3-12800S 4GB SODIMM on adapter works at full rated speed.
+- GSkill F3-1600C9D-16GRSL 2x8GB SODIMM kit on adapter works at full rated speed.
+
+### Native raminit:
+
+- It appears all memory modules rated for DDR3-1600 will fail to boot if
+  max_mem_clock_mhz is set to 800 in devicetree.
 - Kingston KTH9600B-4G 2x4GB kit works at full rated speed.
+- Only one module is detected with Corsair ValueSelect and Samsung SODIMM above.
+- GSkill SODIMM kit apparently works at full rated speed with reduced max_mem_clock_mhz.

## Extra onboard buttons