Figure 2-6. Basic Track Form.at - Honeywell 6000 Series Reference Manual

·-
INDEX
GAP 1 IIOME
GAP Z
POINT
92 BYTES ADDRESS
498YT.f;S
7
f
7 I-;(:C BYTES
T
y
See
Fi~ure
Z - 7
RO DATA
GAP 3 Rt COUNT
8
+
7 ECC BYTES
59 BYTES ) 1
+
7 ECC BYTES
MINIMUM
\.
See Figure 2-9
~------~:~------~~----~~------~
GAP 3
LAST RECORD DATA
GAP 4 INDEX
POINT
~
_ _ _ _
~;~
________ L -______
~
________
~
----
RO
COUNT
GAPZ
II • 7 ECC
AYTES
49 BYTES
-y
See Figure 2 -8 -
GAPZ
Rl DATA
49 BYTES
288
+ 7
ECC aYTES
J
Figure 2 -6. Basic Track Format
DISK PACK CAPACITY
The storage capacity of a disk pack and of the track format are shown in Table 2 -2.
Capacity measurements include lengths of fields measured in bytes (8 bits), in words
(36 bits), and characters (6 bits).
Table 2 -2. Disk Pack Capacity (Basic Track Format)
Bytes / Sector / Bytes / Words / 288-Byte
;Bytes/Disk Pack Formatted
Sector Track Track Sector Fields /Track
X 10 6
Characters
I
Disk Packs
X 10 6
288
31
8928 64
31
68.5
91.
3
a
a Based on 404 cylinders
2-7 DB37