For Lenovo (IBM) ThinkPad R52 (1847-4BU) with
ThinkPad Multi-Burner Plus Ultrabay Enhanced Drive (73P3312)
Matshita (Matsushita, Panasonic 松下電器) DVD-RAM UJ-830S 1.02 (8x)
means no good
| Brand | Type | Media ID | speed on UJ-830S | speed on other drives |
| 4x | ||||
| Verbatim | Digital Movie | MCC 01RG20 | 4x | |
| TDK | branded, silver | TTG01 | 4x | |
| 8x | ||||
| Sony | AccuCORE color collection | SONY08D1 | 8x | |
| Sony | branded, white-silver | SONY08D1 | 8x | |
| Apple (Mftr: Verbatim) | white | MCC 02RG20 | 8x | |
| Verbatim | VideoGuard | MCC 02RG20 | 8x | |
| Maxell | white printable | MXLRG03 | 8x | |
| TDK | branded, silver | TTG02 | 8x | |
| Imation | branded, silver | CMC MAG AE1 | 6x | 4x in Sony 56 |
| Memorex | branded, silver | CMC MAG AE1 | 6x | |
| ilo - Walmart (Mftr: Taiwan) | branded, black+silver | CMC MAG AE1 | 6x | |
| Maxell | branded, gold | RITEKG05 | 2x | 4x in Pioneer 106 |
| Maxell | color | RITEKG05 | 2x | 6x in Sony 56 |
| 16x | ||||
| Verbatim | MCC 03RG20 | 2x | 2x in Sony 56 |
Notes:
All the media are identified correctly by Sony DVD RW DRU-720A, Firmware JY02 (16x DL)
UJ-831S (8x DL) behaves the same way as UD-830S for all the media
Sony 56: Sony DVD+-RW DW-D56A Fireware PDS3 (8x DL)
Pioneer 106: Pioneer DVD-RW DVR-106D 1.05 (8x) [NOTE: v1.08 firmware is available]
CMC - CMC Magnetics, Taiwan, 中環集團
MCC - Mitsubishi Chemical Corporation, Verbatim 三菱化学株式会社