iXBT Labs - Computer Hardware in Detail






NEC NR-7700

Specification of the NEC NR-7700:
Firmware version
Recording modes Disc-At-Once, Track-At-Once, Session-At-Once, MultiSession, Packet Writing
Recording formats CD-ROM, CD-ROM XA, CD-Audio, CD Extra, CD Text, CD-I, CD-Bridge, Photo-CD, Video CD
Read/write support in Raw-mode RAW-DAO - supported
RAW-DAO Write Simulation - unsupported
CD+G RAW-DAO - supported
RAW-SAO - supported
RAW-SAO Write Simulation - supported
Average access time 98 ms
CD-R recording 2x, 4x, 8X, 12X
CD-RW recording 2X, 4x, 10X
Buffer underrun error prevention technology JustLink
Interface Ultra DMA 33
Reading 32x max (4800 KBytes/s)
Buffer size 2048 KBytes
Production date March 2001
Manufacturer Malaysia
Price as tested $8085

The drive ships in an OEM package.

The box contains:

  • Only the recorder.

Although the NEC NR-7700 doesn't cost an arm and a leg it is not less powerful than its competitors. This drive, above all, supports the JustLink technology.

Unfortunately, the drive has no overburn support, but it is not important if you are not going to record MPEG-4 movies and 90 and 99-minute discs. Moreover, its low price puts me on my guard; I think that NEC saves on lenses. There is no doubt that they are plastic, and the question is how long is their service life, i.e. how fast they become turbid.

By the way, the Nero informs us that the NEC NR-7700 does have an overburn support, but it is clear desinformation.

As well as the CDSpeed data. Because when you try to overburn a disc you will get the following message:

Another drawback of the NEC is a limited maximum speed of CD-R recording. For instance, Mirex CD-Rs are recorded at a maximum of 8X. This also concerns CMC, Prodisc and other discs. Here is what we get in the Nero and EasyCD Creator:

At a speed higher than 4X a writing procedure is unstable and slow, the JustLink gets enabled often, and sometimes the recorder refuses to recognize newly loaded discs. This problem is similar to the bug of the TEAC CD-540E + VIA KT133. The NR-7700 works correctly on motherboards with the VIA KT133/KT133A chipset only if it is on the Primary IDE channel (irrespective of slave/master). On the Secondary IDE the NEC operates correctly only if the DMA is disabled. But it doesn't fair for all mainboards.Besides, when the NEC NR-7700 is on the secondary channel it reads data unstably, while on the primary one the graph is more pleasant.

Another disadvantage is a weak technical support. In the new 1.03 version the overburn is still unfortunately unsupported; nevertheless, some bugs are fixed, for example, a possibility of recording of CD-Rs, earlier detected as 8X, at 12X, and correction of a problem connected with operation on VIA mainboards.

On opening the drive we found out that the chipset is from Ricoh (RL5E838) and plastic is used for the most of mechanical details.

The form of the drive is typical of NEC.

On the front panel you can find one LED, a headphones jack, a volume control, an emergency ejection hole and an open button. The tray goes out with a humming sound. On the rear panel there is a digital-out.

Discs ejected from the drive are quite warm, but the drive works rather quietly.

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