A SERVICE OF

logo

Tests and Diagnostics
PORTEGE M780 Maintenance Manual (960-809) [CONFIDENTIAL] 3-177
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 6 5 4 3 2 1 0
IC1 IC0 SE EC NR HD US1 US0
IC1IC0 Interrupt Code bits
00
normal01abnormal10invalid CMD
11
abnormalFDD ready
SE
Seek end
EC
Equipment check (track 0 is detected)
NR
Not ready
HD
Head address
US1
US0 Unit select