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
IC1/IC0 : Interrupt Code bits
00
=normal,01=abnormal,10=invalid CMD
11
=abnormal(FDD ready)
SE
: Seek end
EC
: Equipment check (track 0 is detected)
NR
: Not ready
HD
: Head address
US1
/US0 : Unit select