Download  Print this page

Reliabilities; Error Rate; Mtbf; Mttr - Toshiba SD-M1212 - DVD-ROM Drive - IDE Specifications

Dvd-rom drive
Hide thumbs

Advertisement

3.5. Reliabilites

3.5.1. Error Rate

(1) Hard Read Error Rate (Byte Error Rate) ----- Allowing 5 Retries(default) -----
(2) Seek Error Rate --- Allowing 5 Retries

3.5.2. MTBF

Assumptions: Power On Hours

3.5.3. MTTR

3.5.4. Drive Life

(1) Load/Eject
(2) Interface connector Attach/Detach
(3) DC Power connector Attach/Detach
4. Configuration
See Figure 3 for details of the configurations

4.1. Electrical Circuits

(1) Tray Eject Switch and Eject Detection Switch
(2) Optical Pickup Servo Drive Circuit
(3) Feed Motor Drive Circuit
(4) Laser Diode Control Circuit
(5) 8-16 Modulated data Demodulator, Error Correction Circuit and Disc Motor Control Circuit
Copy Protector Circuit (DVD)
(System Control Circuit, Digital to Analog Converter)
(6) EFM Demodulator, Error Correction Circuit and DA converter Circuit (CD)
(7) IDE/ATAPI Control and CD - ROM Error Correction Circuit

4.2. Optical Pickup

4.3. Spindle Motor

4.4. Feed Motor

4.5. Tray Load/Eject Motor

DVD:
CD:
(default)
On/Off Cycles
Number of Access
Operating Duty Cycle
-15
10
Max
-15
Mode 1:10
Max
-12
Mode 2:10
Max
-6
10
Max
100,000 h
5,436 h/year
313 cycles/year
600,000 accesses/year
20 % of Power On Time
(Reading/Seeking)
0.5 h
15,000 h or 5 years (earlier one)
10,000 times or more
20 times or more
20 times or more
:1-Lens and 2-Laser System
Semiconductor Laser and 1-beam System (DVD)
Semiconductor Laser and 3-beam System (CD)
Brushless DC Motor
DC Motor
DC Motor
9/28
SD-M1212 Rev.1.0

Advertisement

loading

  Related Manuals for Toshiba SD-M1212 - DVD-ROM Drive - IDE