Home Address Field - Honeywell 6000 Series Reference Manual

GAP 1
l. PRECEDES ALL HOME ADDRESSES
2. ZEROS USED TO SYNC P10
3. DECODING HEX l9 SYNC BYTE
INDICATES PLO SYNC AND THE
BEGINNING OF DATA.
SYNC 1D
\ fl 1
CAP 1 HOME ADDRESS
92 BYTES 7 + 7 E00 BYTES
56"
( HOME ADDRESS FIELD \
'flffifi
7 BYTES USED FOR ERRUR
DETECTION AND CORRECTION
HOME ADDRESS FIELD
1. DESCRIBES THE CONDITION OF THIS TRACK.
2. CONTAINS THE PHYSICAL ADDRESS OF THIS TRACK.
HEAD ADDRESS (0 - 15)
CYLINDER ADDRESS (0 - 410)
HIT 0-4 = ZERO
HIT 5 = CE PACK
BITS 6-7:
UH = NORMAL TRACK
01 = ALTERNATH TRACK
l" = HLFKC1IVH TRACK
£1 A HLFHCIIVE WRACK
BYTI; | (tnm'm'rs
0 LOW ORDER CYLINDER HPAD
—-' I BITS 0'7
0 = ZERO
l : HIGH ORDER CYLINDER ADDRESS
2 = ZERO
3-7 = HEAD ADDRESS
Figure 2- 7. Home Address Field