to iopiop & SCE 大:
資料讀取都沒問題,
檢查資料與光碟表面也都100% OK;
數據雖然不能代表一切但總算是個指標,
小弟會試著別讓自己太鑽牛角尖的

順便貼一下測出來的數據:
General Information
Drive: ATAPI DVD+RW 8X4X12
Firmware: B2L7
Disc: DVD+R (YUDEN000 T01)
Selected speed: 4 X
PI errors
Maximum: 980
Average: 288.99
Total: 4391815
PI failures
Maximum: 22
Average: 2.92
Total: 30460
PO failures: 0
Jitter
Maximum: 35.5 %
Average: 26.83 %
Scanning statistics
Number of samples: 17064
Average scanning interval: 8.02 ECC
Glitches removed: 0
品質測試得73
這片是V-STAR 26元時買的.

General Information
Drive: ATAPI DVD+RW 8X4X12
Firmware: B2L7
Disc: DVD+R (YUDEN000 T01)
Selected speed: 4 X
PI errors
Maximum: 1571
Average: 430.42
Total: 6915011
PI failures
Maximum: 76
Average: 8.53
Total: 107151
PO failures: 467
Jitter
Maximum: 40.3 %
Average: 30.46 %
Scanning statistics
Number of samples: 17452
Average scanning interval: 8.03 ECC
Glitches removed: 0
品質測試得12
這片是V-STAR 19元時買的.

General Information
Drive: ATAPI DVD+RW 8X4X12
Firmware: B2L7
Disc: DVD+R (RICOHJPN R01)
Selected speed: 4 X
PI errors
Maximum: 350
Average: 129.09
Total: 1928025
PI failures
Maximum: 16
Average: 1.30
Total: 11044
PO failures: 0
Jitter
Maximum: 32.6 %
Average: 25.08 %
Scanning statistics
Number of samples: 16825
Average scanning interval: 8.01 ECC
Glitches removed: 0
品質測試得90
這片是CyQ've 32元時買的(買不到了 ).