hl-dt-st gsa 4160 will not burn at 16X

[rjgti]

current firmware is a306. will only burn at 8X
media type is
Media Information
Region information N/A not a DVD-VIDEO
Media code/Manufacturer ID RITEKF1
UDF Format Type V1.02
UDF Volume Name NEW
UDF Application id None
UDF Implementation id None
UDF Recording Date/Time (mm/dd/yyyy) 0/ 0/ 0 0:00:00
Format Capacity 0.61GB(0.66GB)
Book Type DVD-R
Media Type DVD-R
Manufacturer Rated Speed 16.0x 22160KBps
Available Write Descriptor CLV 8.0x 11080KBps
Available Write Descriptor CLV 4.0x 5540KBps
Write Strategy Speed 4.0x 5540KBps
2x Speed OPC beta 09
2x Speed OPC power 0F
2x Write Strategy field 1 15 87 88 90
2x Write Strategy field 2 A8 82 00 20 00 00
4x Speed OPC beta 06
4x Speed OPC power 16
4x Write Strategy field 1 10 14 0F 0B
4x Write Strategy field 2 94 07 0D 0B
4x Write Strategy field 3 80 00 00 00
4x Speed OPC beta multi-pulse 09
4x Speed OPC power multi-pulse 1E
4x Write Strategy field 4 17 A7 89 85
4x Write Strategy field 5 B7 89 02 00 20 02
4x Write Strategy field 6 00 00 D0 00 00
Data area starting sector 30000h
Data area end sector 4E67Fh
Linear Density 0.267um/bit
Track Density 0.74um/track
Number of Layers 1

Complete Media Code
00000000 00 6A 00 00 01 40 C1 FD 9E D8 52 00 02 87 0D 13 .j...@....R.....
00000010 87 88 90 00 03 52 49 54 45 4B 46 00 04 31 00 00 .....RITEKF..1..
00000020 00 00 00 00 05 88 80 00 00 00 02 00 06 09 0F 15 ................


any ideas as to why this is happening?

[Gen-An]

It doesn't burn DVD-R at 16x, and if I recall correctly that drive has poor firmware support for 16x DVD+R even.

[rjgti]

thanks for the reply.