Adaptec 1542B User Manual - Page 10

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Section Two Preparation and Configuration J5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x 0 0 x x 0 0 0 0 0 0 CM C7 a- as as ct. PIN-PAIR 12 13 0 0 x 0 0 x x x DMA Speed 5.0 MB/s* 5.7 MB/s 6.7 MB/s 8.0 MB/s x = Jumper Installed * = Default 2.3.2 Jumper Block J6 BIOS Enable Disable Auto Sense CV CI 2 co 2 Cl) 2 to CL 0_ co cCo L J6 x 0 0 0 0 x 0 0 0 0 C a- x = Jumper Installed BIOS Enable - when installed, enables the BIOS Prom to be read. Disable Auto Sense - when installed, the AHA-1540B will not automatically issue a Request Sense Command when a check condition is received from the SCSI target. Unless the user is debugging a driver that they wrote, it is best to leave this jumper removed. Default is jumper removed, Auto Sense enabled. MIA-15408/1542B 2-9 adaptec

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Section
Two
Preparation
and
Configuration
J5
0
0
0 0 0 0
0
x
0
x
0 0 0
0
0 0
0 0
0
0
x
0
x
0 0 0
a-
2.3.2
Jumper
Block
J6
BIOS
Enable
2
co
CL
CM
C7
as
as
ct.
CV
CI
2
2
Cl)
to
0_
CL
co co
Disable
Auto
Sense
J6
x
0 0 0 0
x
0
0 0 0
C
a-
x
=
Jumper
Installed
PIN
-PAIR
12
13
DMA
Speed
0
0
5.0
MB/s*
x
0
5.7
MB/s
0
x
6.7
MB/s
x
x
8.0
MB/s
x
=
Jumper
Installed
*
=
Default
BIOS
Enable
when
installed,
enables
the
BIOS
Prom
to
be
read.
Disable
Auto
Sense
when
installed,
the
AHA-1540B
will
not
automatically
issue
a
Request
Sense
Command
when
a
check
condition
is
received
from
the
SCSI
target.
Unless
the
user
is
debugging
a
driver
that
they
wrote,
it
is
best
to
leave
this
jumper
removed.
Default
is
jumper
removed,
Auto
Sense
enabled.
MIA
-15408/1542B
2-9
adaptec