Changes
/* FDC Command Table (15 commands) */
{| class="wikitable"
|+ Sense Interrupt Status Seek (08h0Fh)
|-
! !! D7 !! D6 !! D5 !! D4 !! D3 !! D2 !! D1 !! D0
|-
| command byte 0 || colspan="3" style="text-align: center;" | x || 0 || 1 || 0 1 || 0 1 || 01
|-
| result command byte 0 1 || colspan="85" style="text-align: center;" | ST0x || HD || colspan="2" style="text-align: status register 0center;" | US
|-
| result command byte 1 2 || colspan="8" | PCNNCN: present new cylinder number|-| Execution || colspan="8" | Head is positioned over proper cylinder
|}
{| class="wikitable"
|+ Sense Drive Interrupt Status (04h08h)
|-
! !! D7 !! D6 !! D5 !! D4 !! D3 !! D2 !! D1 !! D0
|-
| command byte 0 || colspan="3" style="text-align: center;" | x || 0 || 0 1 || 1 0 || 0 || 0
|-
| command result byte 1 0 || colspan="5" style="text-align: center;8" | x || HD || colspan="2" style="text-alignST0: center;" | US status register 0
|-
| result byte 0 1 || colspan="8" | ST3PCN: status register 3present cylinder number
|}
{| class="wikitable"
|+ Seek Sense Drive Status (0Fh04h)
|-
! !! D7 !! D6 !! D5 !! D4 !! D3 !! D2 !! D1 !! D0
|-
| command byte 0 || colspan="3" style="text-align: center;" | x || 0 || 1 0 || 1 || 1 0 || 10
|-
| command byte 1 || colspan="5" style="text-align: center;" | x || HD || colspan="2" style="text-align: center;" | US
|-
| command result byte 2 0 || colspan="8" | NCNST3: new cylinder number|-| Execution || colspan="8" | Head is positioned over proper cylinderstatus register 3
|}
