Release note裡頭說主要是想增進燒錄品質，希望是真的。

還懶得去更新和測試，手腳快的大大分享一下結果吧

Release note節錄如下供參考。
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LD3520 1.UG
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Added support for DAXON AZ3 into the firmware at 16X
Added support for DAXON 016S at 16X

Hopefully made some improvements to DVD-R write quality

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LD3520 1.UF
===================

Hopefully improved the burn quality on the following media
+R
YUDEN000T02
MCC004
MCC003
ProdiscR03
CMCMAG E01
RICOH JPRN02
RITEK R03 R2
INFOME R02

-R
MCC02RG20
MCC03RG20
TYG02
TYG03
RITEKG04
RITEKG05
CMCMAG AE1

New write strategies imported from 3540 firmware 1.01b for +R DL media.