Panasonic JB-3300 Technical Manual page 420

Read Operation Flowchart:
Read
j
Illegal Command Check
Specified Interleave
(20)
Specified Step Rate
Specified Unit
Address
Seek Specified Unit
Address
Check Track Address
(Read ID)
Read first sector
from disk
No
Block Count - 1
No
Sector Address + ]
1 Track
Completed?
Sector Address = 0
Head Address + 1]
1 Cylinder
Completed?
Yes
Seek 1 Step
Head Address = 0
Cylinder Address + l
Yes
4
Command Not in
Controller
Error
Seek Error (15)H
Error
ECC Error in ID Field (10) 8
ECC Error in Data Field (11)H
AM not Detected (12)H
Sector not Detected (14)H
ECC Error Processing (8)H
'Bad Truck Read (19) H
Send Read Data
to Host
Send Read Data to
Host and Read Data
From Disk
VII - 25
Volume Overflow
Error End
Error (21)H