diff --git a/context/pod-hardware.md b/context/pod-hardware.md
index 6f87796..0c98c1c 100644
--- a/context/pod-hardware.md
+++ b/context/pod-hardware.md
@@ -258,7 +258,7 @@ desktops. Two pieces were added for the cab:
 1. Probe: GPUs, every monitor's virtual-desktop rect, EDID make/model (identifies the original
    panels), serial ports (the RIO board), session type, and a PROPOSED `glass_layout.cfg` that
    assigns the six surfaces to the non-primary monitors top-to-bottom/left-to-right, centred.
-2. Drop the cfg in the game's working directory; run with `BT_GLASS=1 BT_GLASS_PANELS=1
+2. Drop the cfg in the game's working directory; run with `BT_GLASS_PANELS=1
    BT_POD_SURFACES=1 BT_GLASS_LAYOUT=load` (`=save` to persist drags instead).
 3. Read the receipts; re-assign titles to monitors in the cfg until each picture is on its panel.
 Surface→panel roles: Heat MFD = upper left (coolant), Engineering = upper centre, Comm MFD =
diff --git a/scratchpad/pod/podprofile.ini b/scratchpad/pod/podprofile.ini
index 9eebaae..89d0d01 100644
--- a/scratchpad/pod/podprofile.ini
+++ b/scratchpad/pod/podprofile.ini
@@ -10,7 +10,14 @@
 #      VGA Port A        = monitor:DISPLAY2  (RGB triple: Heat + Comm + Mfd2)
 #      VGA Port B        = monitor:DISPLAY1  (RGB triple: Mfd1 + Mfd3)
 
-BT_GLASS=1
+# Platform PROFILE.  NB "glass", not "pod": BT_PLATFORM=pod selects the 1995
+# multi-surface gauge path (exclusive-fullscreen D3D per adapter + the NVIDIA
+# horizontal span), which no modern driver can do.  What lights this cab is the
+# GLASS profile plus the three switches below.  (Glass is already the default
+# when nothing is set -- named here so the rig never depends on that default.)
+BT_PLATFORM=glass
+
+# One window per surface -- this is the switch that makes panels at all.
 BT_GLASS_PANELS=1
 
 # ONE VGA port's R/G/B lines drive THREE mono MFDs -- composite the planes.