diff --git a/scripts/install-firmware-minimal.sh b/scripts/install-firmware-minimal.sh
index cf447f7..674f36e 100755
--- a/scripts/install-firmware-minimal.sh
+++ b/scripts/install-firmware-minimal.sh
@@ -127,6 +127,15 @@ if [ -d "$KERNEL_BUILD_DIR" ]; then
     find "$KERNEL_BUILD_DIR" -name "mdio.ko" -exec cp {} "$MODULES_DIR/kernel/drivers/net/" \; 2>/dev/null || true
     find "$KERNEL_BUILD_DIR" -name "libphy.ko" -exec cp {} "$MODULES_DIR/kernel/drivers/net/" \; 2>/dev/null || true
     
+    # SCSI subsystem dependencies (for virtio_scsi)
+    mkdir -p "$MODULES_DIR/kernel/drivers/scsi"
+    find "$KERNEL_BUILD_DIR" -name "scsi_mod.ko" -exec cp {} "$MODULES_DIR/kernel/drivers/scsi/" \; 2>/dev/null || true
+    find "$KERNEL_BUILD_DIR" -name "sd_mod.ko" -exec cp {} "$MODULES_DIR/kernel/drivers/scsi/" \; 2>/dev/null || true
+    
+    # PTP subsystem dependencies (for e1000e and other ethernet drivers)
+    mkdir -p "$MODULES_DIR/kernel/drivers/ptp"
+    find "$KERNEL_BUILD_DIR" -name "ptp.ko" -exec cp {} "$MODULES_DIR/kernel/drivers/ptp/" \; 2>/dev/null || true
+    
     # Filesystem drivers (overlay for container support)
     find "$KERNEL_BUILD_DIR" -name "overlay.ko" -exec cp {} "$MODULES_DIR/kernel/fs/" \; 2>/dev/null || true