{|{{Prettytable|width: 700px; font-size: 2em;}}
|'''Port''' || '''Read''' || '''Write'''
|'''#FD06''' ||IDE Alternate Status ||IDE Digital Output
|-
|'''#FD07''' ||IDE Drive Address ||IDE ''(Write: Not Used)''
|-
|'''#FD08''' ||IDE Data Register ||IDE Data Register
|-
|'''#FD0F''' ||IDE Status Register ||IDE Command Register
|-
|'''#FD10''' ||PS/2 Mouse Status||Write: Not used
|}