Control Data 3170 Installation Handbook page 203

Installation autoload routine for 853, 854, and 841:
Location
77x60
77x61
77x62
77x63
77x64
77x65
77x66
77x67
77x70
77x71
77x72
77x73
77x74
77x75
77x75
Instruction Comment
770ceOuu
Connect mass storage unit on equip-
ment e, channel c
01077x60 Reject
771c0010 Select load address function on
channel c
01077x62
Reject
76077x76 Load address at 77x75 to equipment
on channel c
c0077x75
771c0040 Select read function on channel c
01077x66
Reject
74021000 Read first data block into locations
20000 to 21000
c0020000
772cOO02 Sense busy status
01077x72 Reject
01020000 Go to location 20000
00000020 Load address word for controller
sector 16 10
NOTE
For the 841, the last instruction reads as
follows:
00000100
Load address word for controller
sector 1410
When these instructions are entered in the addresses shown, autoloading is accomplished
by pressing AUTODUMP.
Installation autoload routine for 863:
Location
Instruction Comment
77x60 770ceOOO Connect mass storage unit 0 on equip-
ment e, channel c
77x61
01077x60
Reject
77x62 771c0040 Select read function on channel c
77x63 01077x62 Reject
77x64 76077x76 Load address at 77x75 to equipment
on channel c
III-1-2
60410800 A