diff --git a/src/machine/m_at_slot1.c b/src/machine/m_at_slot1.c
index 25cbde004..12c84ffdf 100644
--- a/src/machine/m_at_slot1.c
+++ b/src/machine/m_at_slot1.c
@@ -183,8 +183,7 @@ machine_at_ma30d_init(const machine_t *model)
     device_add(&keyboard_ps2_ami_pci_device);
     device_add(&fdc37c67x_device);
     device_add(&intel_flash_bxt_device);
-    spd_register(SPD_TYPE_SDRAM, 0xF, 256);
-    device_add(&lm78_device); /* no reporting in BIOS */
+    spd_register(SPD_TYPE_SDRAM, 0x7, 256);
 
     return ret;
 }
diff --git a/src/machine/machine_table.c b/src/machine/machine_table.c
index ed99ad076..84a55eb75 100644
--- a/src/machine/machine_table.c
+++ b/src/machine/machine_table.c
@@ -12379,7 +12379,7 @@ const machine_t machines[] = {
         .flags = MACHINE_IDE_DUAL | MACHINE_APM | MACHINE_ACPI,
         .ram = {
             .min = 8192,
-            .max = 1048576,
+            .max = 786432,
             .step = 8192
         },
         .nvrmask = 255,