IBM System/360 65

No 15 Address
Vo,
(Some Error) I-- __ ---"Vo"-'<
Sent to
Storage
NOTE
1: At this poinl il should be po$$ible to cycle
BCU either from CPU {Pulse Mode-Time)
or Channel (Start I/O-Auto Restart) for
H:.oplng.._
NOTE 2: CE can enter the charI at any point if
he ha~ concrete information.
NOTE 3: Trouble
localization is to the unit.
( log-Oul Cu~tomer pgm} - -
(MonualaflnSI,5-2-1 }--
(
~--,M:::O,-'O:.:d="9:.:S:.:W_it_'h_O'~) __
. nal Disable .
(
-"A","",lo",'~OI==~)- __ ~
. Storage Addres~es .
G) CPU Related: CPU Priority
CPU Sequence
SAB Gating
(2) Chan Related: Chan Requests
BCU Response
Addr Valid
o Common logic:Select
Power
ON
'---,---'
IPl Yes
Foil
No
Storage Triggers
BCU Busy and Advonce Waiting
On Main or local Store
Use Addressing:
FrNol SABis
FrNo2SABis
FrNo3SAB45
FrNo4SAB45
SAB 20 = Odd }
20 :IE Even High or low Word
No
Timing
Gate Trig,
ON
Fail
Isolate
No Releose from
Channel
Check Initial
Set~up In Channel
Rd Op, CCW Valid,
CC and
SL1 Flags,
Camm Addr
Bit 20
ON,Byte Ct 24,
Unit Address
No
Vo.
eg
,.""
to
Cusl.