Fujitsu M2488 manual Rlec, Eeca

M2488 PRODUCT GUIDE TAPE UNIT PARAMETERS

5-2.5 Common Device-Type Control Parameters

Table 5-10. Page 0Ah - Common Device-type Control Parameters

BITS

MODE

SENSE

BYTES

7

6

5

4

3

2

1

0

DEFAULT

VALUES

0

PS *

Reserved

Page Code

8Ah

1

Additional Page Length

06h

2

Reserved

RLEC

01h

3

Queue Algorithm Modifier

Reserved

QErr

DQue

01h

4

EECA

Reserved

RAENP

UAAENP

EAENP

00h

5

Reserved

00h

6-7

Ready AEN Holdoff Period (0-0FFFFh microsecond)

0000h

*The PS bit must be set to 0 on a MODE SELECT command. Note: Changeable fields in the page are shaded.

** NOTE **

The only field that may be modified in this page is the RLEC bit. On a

MODE SELECT command, all other fields must be zero. On a MODE

SENSE command, only the RLEC field is reported as changeable.

Table 5-11. Page 0Ah - Common Device-type Control Parameters Field Description

BYTE	BIT	VALUE	DESCRIPTION
2	1	1	When set to one, the Report Log Exception Condition (RLEC) bit indicates that the
			target reports log overflow conditions.
		0	When set to zero, this bit indicates that log overflow conditions are not reported.
			The RLEC bit is reported as changeable on a MODE SENSE command, and the
			default value is one.
3	0	1	When set to one, the Disable Queuing (DQUE) bit indicates that tagged queueing
			shall be disabled.
			The default value reported for this field on a MODE SENSE command is one and
			not changeable.
3	1	0	When set to zero, the Queue Error Management bit indicates that remaining sus-
			pended I/O process shall resume after the contingent allegiance condition or
			extended contingent allegiance condition.
			The default value reported for this field on a MODE SENSE command is zero and
			not changeable.
3	4-7	0	The Queue Algorithm Modifier field specifies restrictions on the algorithm used for
			reordering commands that are tagged with the SIMPLE QUEUE TAG message.
			The default value reported for this field on a MODE SENSE command is zero and
			not changeable.

April 1997 CG00000-011503 REV. A 5-9