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Atlas II 

Jumper Settings 

 

7 of 8 

 

 

 

 

Pin  

 

Signal  

 

Pin  

 

Signal  

 

  

1  

 

A3  

 

2

    

l ogic_gnd  

3  

 

A2  

 

4

    

l ogic_gnd  

5  

 

A1  

 

6

    

l ogic_gnd  

7  

 

A0  

 

8

    

l ogic_gnd  

9  

 

Key

 

 (blank)  

1

  0  

F

  ault LED  

11  

 

Delay

 

 Spin  

1

  2  

l ogic_gnd 

 

13  

 

Logic ground  

 

1

  4  

E

  nable Active Termination  

15  

 

Spindle Sync  

 

1

  6  

S

  pindle Sync  

17  

 

Busy Led  

 

1

  8  

+

  5VDC out  

19  

 

W

  rite Protect  

2

  0  

l ogic_gnd  

21  

 

Stagger Spin  

 

2

  2  

l ogic_gnd  

23  

 

Enabl

 

e Narrow Mode  

2

  4  

l ogic_gnd  

25  

 

Disable Sync Negotiation  

 

2

  6  

l ogic_gnd  

27  

 

Disable SCSI Parity  

 

2

  8  

l ogic_gnd  

29  

 

Disable Unit Attentio

 

n  

3

  0  

l ogic_gnd  

31  

 

Customize  

 

3

  2  

l ogic_gnd  

 

 

 

 

 

Pin 

 

 

Signal 

 

 

P

 

in 

 

S

 

ignal 

 

  

1  

 

A0  

 

2

    

F

  ault LED  

3  

 

A1  

 

4

    

l ogic_gnd  

5  

 

A2  

 

6

    

l ogic_gnd  

7  

 

A3  

 

8

    

B

  usy LED  

9  

 

Enable Ter

 

mination  

1

  0  

l ogic_gnd  

11  

 

+5VDC out  

 

1

  2  

( reserved)  

 

Note: 

Enable Termination setting is not supported on the following differential drives: 

 
Atlas II 2.2GB WD 
 
Atlas II 4.5GB WD 
 

 
 

 

 

 

 

Summary of Contents for Atlas II

Page 1: ...owing describes the jumper options and settings available on the Maxtor Atlas II disk drive Maxtor Atlas II was developed by Quantum Corporation prior to its merger with Maxtor Termination Enable TE E...

Page 2: ...ection WP jumper on Disable Write Protection WP jumper off Jumper Locations The Atlas II disk drive has two locations where user configurable jumpers are found The primary jumper block Front option co...

Page 3: ...logic_gnd 5 A2 6 logic_gnd 7 Fault LED 8 key blank 9 Busy LED 10 Spindle Sync 11 5VDC out 12 unused 13 Delay Spin 14 logic_gnd 15 Stagger Spin 16 logic_gnd 17 Write Protect 18 logic_gnd 19 Spindle Sy...

Page 4: ...ollowing table identifies the various SCSI ID values and the jumper positions required to set them Drive ID A0 A1 A2 ID 0 OFF OFF OFF ID 1 ON OFF OFF ID 2 OFF ON OFF ID 3 ON ON OFF ID 4 OFF OFF ON ID...

Page 5: ...or to its merger with Maxtor Termination Enable TE Enable termination TE jumper on Disable termination TE jumper off Note Termination enable available on SE version only Termination Power TP Enable te...

Page 6: ...ont option connector J3 for the Atlas II wide is found on the front edge of the disk drive printed circuit board Using these jumper pins you can establish the various drive configuration options The s...

Page 7: ...t 20 logic_gnd 21 Stagger Spin 22 logic_gnd 23 Enable Narrow Mode 24 logic_gnd 25 Disable Sync Negotiation 26 logic_gnd 27 Disable SCSI Parity 28 logic_gnd 29 Disable Unit Attention 30 logic_gnd 31 Cu...

Page 8: ...to set them Drive ID A0 A1 A2 A3 ID 0 OFF OFF OFF OFF ID 1 ON OFF OFF OFF ID 2 OFF ON OFF OFF ID 3 ON ON OFF OFF ID 4 OFF OFF ON OFF ID 5 ON OFF ON OFF ID 6 OFF ON ON OFF ID 7 ON ON ON OFF ID 8 OFF O...

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