LG GSA-4167B - Manual (Page 30)

6. Organization of the Inner Drive Area, Outer Drive Area, Lead-in Zone and
Lead-out Zone
1) Layout of DVD-ROM disc
34
Center
hole
1st transition area
2nd transition area
Clamping
Zone 3rd transtion
area
Information Zone
Lead-in Zone
Lead-in
Zone Lead -out
Zone
Diameter 15 mm
Diameter 16 mm
Diameter 22 mm
Diameter 33 mm
Diameter 44 mm
Diameter 120 mm
Data Zone
Read Only Disc
Lead-out Zone
Data Zone
Outer Drive
Area Inner Drive
Area
Inner Disc
Test Zone Outer Disc
Test Zone
Unrecorded Disc
PSN: 23080H 27080H 27480H 28480H 2A480H 30000H 260540H 261940H 262940H 263940H 267940H
in OUT
Disc Center
Rim area
Center
hole
1st transition area
2nd transition area
Clamping
Zone 3rd transtion
area
Information Zone
Diameter 15 mm
Diameter 16 mm
Diameter 22 mm
Diameter 33 mm
Diameter 44 mm
Diameter 120 mm
Disc Center
Rim area
Inner Disc
Count Zone Outer Disc
Count Zone
2) Layout of DVD+R disc
> Inner Disc Test Zone : for performing OPC procedures.
> Inner Disc Count Zone : for counting the number of OPC algorithm performed in IDT Zone.
> Outer Disc Test Zone : for performing OPC procedures.
> Outer Disc Count Zone : for counting the mumger of OPC algorithm performed in IDT Zone.