Tests and Diagnostics

FDC Status

 

0

1

2

3

4

5

6

FDC Status

=

XX

XX

XX

XX

XX

XX

0 Result Status 0

1 Result Status 1

2 Result Status 2

3 Cylinder Address

4 Head Address

5 Sector Address

6 Number of Bytes / Sector

Result Status 0

7

IC1

6

IC0

5

SE

4

EC

3

NR

2

HD

1

US1

0

US0

IC1IC0 Interrupt Code bits 00normal01abnormal10invalid CMD 11abnormalFDD ready

SE Seek end

EC Equipment check (track 0 is detected)

NR Not ready

HD Head address

US1US0 Unit select

PORTEGE M780 Maintenance Manual (960-809)

[CONFIDENTIAL]

3-177

Page 289
Image 289
Toshiba 960-809 manual [ FDC Status ], IC1 IC0 US1 US0