What is the DVD-RW drive used in R51 and T42 ?

[arion]

What is the DVD-RW drive used in R51 and T42 ?

Why don't IBM use another manufacturer that supports DVD+R/W ?

[Puppy]

Nero InfoTool 2.27

Drive Information
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Drive : MATSHITA DVD-RAM UJ-811
Type : DVD-RAM Recorder
Firmware Version : H102
Buffer Size : 2 MB
Drive Letter : D:\
Location : 1:0
Mechanism : Tray
Read Speed : 24 , 20 , 12 , 8 , 4 X
Write Speed : 16 , 12 , 8 , 4 X

Read CD Text : Yes
Return C2 Pointers : Yes
Read CD-R : Yes
Read CD-RW : Yes
Read DVD-ROM : Yes
Read DVD-RAM : Yes
Read DVD-R : Yes
Read DVD-RW : Yes
Read DVD+R : No
Read DVD+RW : No
Read DVD+R DL : No
Read Digital Audio : Yes
Read CD+G : No
Read VideoCD : Yes

Write CD-R : Yes
Write CD-RW : Yes
Write DVD-R : Yes
Write DVD-RW : Yes
Write DVD+R : No
Write DVD+RW : No
Write DVD+R DL : No
Write DVD-RAM : Yes
Buffer Underrun Protection : Yes
Mount Rainier : No
Modes : Packet, TAO, DAO, SAO, RAW SAO

Region Protection Control : RPC II
Region : None
Changes User : 5
Changes Vendor : 4