3.17  CD-ROM/DVD-ROM Test  3  Tests and Diagnostics 
3-34            [CONFIDENTIAL]   Satellite A50S/TECRA A3X  Maintenance Manual (960-534) 
3.17 CD-ROM/DVD-ROM Test 
To execute the CD-ROM/DVD-ROM test, select 13 from the DIAGNOSTICS TEST MENU, 
press Enter and follow the directions on the screen. 
NOTE:  For the subtest 01, 02 and 03, use the TOSHIBA CD-ROM TEST DISK TDY-01 or 
ABEX TEST CD-ROM TCDR-702 and DVD-ROM TEST DISK TSD-1. For the 
subtest 04, use a CD-RW on the market.  
Subtest 01  Sequential read 
This subtest is a sequential reading of one-block units (2K bytes) of all the 
logical addresses. 
Subtest 02  Read specified address 
This subtest reads one-block data from a specified address. 
Subtest 03  Random address/data 
This subtest reads one-block data and multi-block data from random addresses 
200 times. 
Subtest 04  RW 1point W/R/C 
This subtest writes, reads and compares data at one point on a CD/RW media.