Sony PCV-L620 ユーザーズマニュアル

You can enable or disable the onboard VGA interrupt if you install a VGA 
PCI add-in card.

To change the INTEN jumper, perform the following steps:

1

Remove the system cover (see 

2

Set the jumper to enable or disable (see 

on page 64). 

3

Reinstall the system cover (see 

KY0093.VSD

INT Enable

1

2

3

INT Disable