Hitachi HUS157373EL3800 Manuel D’Utilisation

Drawing No. Sheet No. Revision 5

K6602906

44/46

2003/6/12

12.2.4  Force Single-Ended bus mode

WIDE LVD, SCA-2 LVD

No.

Option Jumper Connector (C3)

Meaning

Remove the Jumper Socket
for C3-11,12 (Default)

1

Install the Jumper Socket
for C3-11,12

2

The drive can be used as 
single-ended or low voltage 
differential mode.

The drive is forced to operate 
only in single-ended mode.

2 
  

1 
  

2 
  

11 
    

23 
    

12 
    

24 
    

12  
      

24 
    

1 
  

11 
    

23 
    

12.2.5  Enable Delayed Start

WIDE LVD, SCA-2 LVD

No.

Option Jumper Connector (C3)

Meaning

Remove the Jumper Socket
for C3-13,14 (Default)

1

Install the Jumper Socket
for C3-13,14

2

Spindle motor automatically 
starts when the power is on.

Spindle motor starts in 
sequence via ID number x 10 
seconds from the time power is 
applied  

(NOTE 1)

1 
  

2 
  

13

23

14

24

1 
  

2 
  

13

14

23

24

Note 1. This time is as follows:

ID number 0 

to

 7 : ID number x 10sec

ID number 8 

to

 15 : (ID number - 8) x 10sec

Note 2. This jumper is valid only when Auto Start setting is done.
Note 3. If setting for Delayed Start is done by host via SCSI bus connector (C1) in SCA-

2 LVD drive, remove jumper in C3-13,14.

Note 4. If DELAY START in SCSI bus connector (C1) in SCA-2 LVD drive is
       grounded by host, jumper setting in C3-13,14 is invalid.