Sequential or Random mode. This mode cannot be changed by means of this page, it can only be
changed by means of the OCP. Therefore the value set for this bit is ignored.
Event Type Filter:
The Event Type Filter field determines which event types will be stored in the event log. This field
is a 8 bit mask. Every bit in this mask represents a event type. When a mask bit is set all events
with the subsequent event type will be stored in the event log. When a mask bit is cleared the
event data of the subsequent event type will be discarded.
Event Type Mask Bit
Cmd 01h
Response 02h
Event 04h
Trace Data 08h
Low Level Trace 10h
Customer Events 20h
Recovered Error 40h
Hard Error 80h
Event Module Filter:
The Trace Module Filter field determines which firmware module stores events. This field contains
a 16 bit mask. Every bit in this mask represents a firmware module. When a mask bit is set the
subsequent module is allowed to store its event data in the event log. When a mask bit is cleared
the event data of the subsequent firmware module will be discarded. The table below describes
what bit belongs to which firmware module.
Source module ID of event Identifier
Main 0001h
Drive 0002h
CDB Interpreter 0004h
Accessor 0008h
Trace 0010h
OCP Input 0020h
OCP Output 0040h
SCSI 0080h
SDCI 0100h
Serial Monitor 0200h
TNT Monitor 0400h
Debug Monitor 0800h
Test 1000h
MN Server 2000h
Network 4000h
RMU 8000h
3-28 TL2000 and TL4000 SCSI Reference
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