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LG GWA-4164B Service Manual page 7

Dvd/cd rewritable drive
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3.3 Data transfer rate
3.3.1 Sustained transfer rate
<Read>
CD-ROM/R.....................................................2,550 ~ 6,000 kbytes/s (40x) Max.
CD-RW...........................................................2,250 ~ 4,800 kbytes/s (32x) Max.
CD-DA(DAE) ..................................................2,550 ~ 6,000 kbytes/s (40x) Max.
DVD-ROM ............Single layer......................9.28 ~ 22.16 Mbytes/s (16x) Max.
DVD-R............................................................5.73 ~ 13.85 Mbytes/s (10x) Max.
DVD-RW ........................................................4.58 ~ 11.08 Mbytes/s (8x) Max.
DVD+R...........................................................5.73 ~ 13.85 Mbytes/s (10x) Max.
DVD+R DL .....................................................4.58 ~ 11.08 Mbytes/s (8x) Max.
DVD+RW .......................................................4.58 ~ 11.08 Mbytes/s (8x) Max.
<Write>
CD-R .....................10x,16x (CLV) .................1.5, 2.4 Mbytes/s (Mode-1)
CD-RW ..................4x, 10x (CLV) ..................0.6, 1.5 Mbytes/s (Mode-1)
DVD-R ...................2x, 4x(CLV), 8x(ZCLV) ....2.77, 5.44, 5.44~11.08 Mbytes/s
DVD-RW................1x, 2x, 4x(CLV)................1.38, 2.77, 5.44 Mbytes/s
DVD+R ..................2.4x, 4x(CLV) ..................3.32, 5.54 Mbytes/s
DVD-R DL .............4x (CLV) .........................5.44 Mbytes/s
DVD+R DL .....................................................2.4x (CLV) 5.54Mbytes/s
DVD+RW...............2.4x, 4x (CLV) .................3.32, 5.54 Mbytes/s
3.3.2 Burst transfer rate
Ultra DMA Mode 2..........................................33.3 Mbytes/s Max.
Multiword DMA Mode 2..................................16.6 Mbytes/s Max.
PIO Mode 4 ....................................................16.6 Mbytes/s Max.
3.4 Access time (Random)
* Typical value
DVD-ROM(SL) ...............................................140 ms Typ.
DVD-ROM(DL) ...............................................175 ms Typ.
CD-ROM ........................................................120 ms Typ.
Note :
1) Average random access time is the typcal value of more than 50 times including latency and error correction time.
Test Disc : DVD : ALMEDIO TDV-520 / TDR-820
*) Typical value defines a measured value in normal temperature (20 deg.C.) and horizontal position.
3.5 Data error rate (Measured with 5 retries maximum)
DVD-R/RW/ROM...<10
DVD+R/RW ...........<10
CD-ROM/R/RW .....<10
Condition : It is assumed that the worst case raw error rate of the disc is 10
3.6 Data buffer capacity .......................................................2Mbytes
Dual layer ........................4.58 ~ 11.08 Mbytes/s (8x) Max.
24x (ZCLV)......................1.8 ~ 3.6 Mbytes/s (Mode-1)
40x(CAV).........................2.4 ~ 6.0 Mbytes/s(Mode-1)
16x (ZCLV)......................1.8 ~ 2.4 Mbytes/s (Mode-1)
24x (ZCLV)......................1.8 ~ 3.6 Mbytes/s (Mode-1)
32x(ZCLV).......................1.8 ~ 4.8 Mbytes/s (Mode-1)
8x(ZCLV).........................5.44~11.08 Mbytes/s
CD : ALMEDIO TCDR-701 / HITACH HCD-1
-12
-12
-12
(Mode-1)
<10
-9
(Mode-2)
(Note 1)
(Note 1)
(Note 1)
-3
7

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