diff --git a/kernel/sysabi.md b/kernel/sysabi.md
index 607b534..df58409 100644
--- a/kernel/sysabi.md
+++ b/kernel/sysabi.md
@@ -150,12 +150,22 @@ If another process calls them, they will just return without doing anything.
 
 **header.specific_config.pci:**
 
-| Length(bytes)           | Name           | Description                                                   |
-|-------------------------|----------------|---------------------------------------------------------------|
-| 0x02                    | num_vendor_ids | The amount of PCI vendor ids the driver can handle.           |
-| 0x02                    | num_device_ids | The amount of PCI device ids the driver can handle.           |
-| 0x02 * `num_vendor_ids` | vendor_ids     | An array containing all PCI vendor ids the driver can handle. |
-| 0x02 * `num_device_ids` | device_ids     | An array containing all PCI device ids the driver can handle. |
+| Length(bytes)           | Name           | Description                                                                 |
+|-------------------------|----------------|-----------------------------------------------------------------------------|
+| 0x01                    | enable_progif  | If set to zero, the progif entry will be ignored.                           |
+| 0x01                    | class          | The PCI class code, the driver supports.                                    |
+| 0x01                    | subclass       | The PCI subclass code, the driver supports.                                 |
+| 0x01                    | progif         | The PCI ProgIF code, the driver supports.                                   |
+| 0x02                    | num_device_ids | The amount of device ids the driver can handle.                             |
+| 0x04 * `num_device_ids` | device_ids     | An array containing all device ids the driver can handle. (described below) |
+
+
+**header.specific_config.pci.device_id:**
+
+| Length(bytes) | Name      | Description                |
+|---------------|-----------|----------------------------|
+| 0x02          | vendor_id | The devices PCI vendor ID. |
+| 0x02          | device_id | The devices PCI device ID. |
 
 
 **header.specific_config.usb:**