Toshiba SD-W1111 Reliability specifications, Environmental specifications, Error rate, Life

OD-A017-02

TOSHIBA DVD-RAM SD-W1111 ‘99/06/26 Version 1.0

According to the steps described below, the optical head auto-lock mechanism can be functioned.

∙Eject a disc.

∙Pull-in the tray inside the drive.

∙After “BUSY” lamp turns off, the auto-lock function completes.

When transporting, transport the drive after performing the steps above and turning off the power.

7. Reliability specifications

7.1 Error rate

DVD-RAM
Read error rate	less than 10–15(Byte error rate)
Seek error rate	less than 10 –6error/seek
DVD-ROM
Read error rate	less than 10–15(Byte error rate)
Seek error rate	less than 10 –6error/seek
CD-ROM
Read error rate (Mode 1)	less than 10–15(Byte error rate)
Read error rate (Mode 2)	less than 10–12(Byte error rate)
Seek error rate	less than 10 –6error/seek

Allows five times internal retry operations.

7.2 Life

Either of shorter life of 5 years or 15,000 POH

Loading mechanism	10,000 times
MTBF	100,000 H
Setting conditions:
Power on period	5,436 H/year (17 H/day)
Power on time	313 times/year
Access times	600,000 times/year
Using duty	Playback :	20%
	Recording :	2%

8. Environmental specifications

The drive might satisfy the basic specification over the following conditions.

8.1 Temperature

Operating	5 to 50 °C
	(Temperature variation gradient: 10°C/h)
Storing	–10 to 60 °C
	(Temperature variation gradient: 20°C/h, except for media)
Transporting (with packing)	–40 to 65 °C
	(Temperature variation gradient 20°C/h, except for media)

Page 11 Product Specification