
3.8 Video
3 Diagnostic Programs
Subtest 12 BitBlt Engine Test
This test item is to check whether the BitBlt engine works normally.
BitBlt is the abbreviation of ‘Bit Block Translate’, that means the copy of data
block for 3 types, from video memory to video memory, from video memory to
system memory, and from system memory to video memory.
What should be done is to write the data of the type of BitBLT operation and the
location of BitBLT source area and destination area into the BitBLT registers, and
all those operations will be completed automatically by BitBLT engine with
minimum CPU intervention.
Satellite M40/M45 TECRA A4 Dynabook Vx/4 Maintenance
Manual
53
Summary of Contents for Dynabook Vx/4
Page 11: ...Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview ii Satellite M40 M45 TECRA A4 dynabook Vx 4 Maintenance Manual ...
Page 71: ...Chapter 3 Diagnostic Programs ...
Page 74: ......
Page 142: ...Chapter 4 Replacement Procedures 4 1 ...
Page 143: ...4 Replacement Procedures 4 ii Satellite M40 M45 TECRA A4 dynabook Vx 4 Maintenance Manual ...
Page 149: ......
Page 213: ...6000 1 次 Appendices ...
Page 214: ...Appendices App ii Satellite M40 M45 TECRA A4 dynabook VX 4 Maintenance Manual ...
Page 217: ...Appendices Satellite M40 M45 TECRA A4 dynabooK VX 4 Maintenance Manual App v ...