SEAGATE TECHNOLOGY INC.
SEAGATE MARATHON 130SL, 170SL, 210SL, 260SL, 340, 455, 520
SEAGATE ST9051A, ST9052A, ST9077A, ST9080A, ST9096A, ST9100A, ST9100AG,
ST9140AG, ST9144A, ST9145A, ST9145AG, ST9150AG, ST9190AG, ST9235A, ST9235AG,
ST9240A, ST9240AG, ST9295AG, ST9300AG, ST9385AG, ST9550AG, ST9655AG
| Interface: |
IDE (44 pin) |
| Size: |
2.5 in. fifth height (some models are 0.75, some are 0.5 high) |
| View: |
Bottom |
| DRIVE CONFIGURATION |
| Selection |
JP1 |
JP2 |
 Single drive only |
open |
open |
| Master drive in a two drive system when slave
is a Seagate drive |
open |
closed |
| Slave drive in a two drive system when master
is a 2.5 Seagate drive |
closed |
open |
| Note: do not jumper both JP1 & JP2 at the same time. This
position is reserved for factory use. |
SEAGATE ST11200N, ST11200ND, ST11201N, ST11201ND, ST11700N, ST11700ND,
ST11900N, ST11900ND, ST12400N, ST12400ND, ST1830N, ST1950N, ST1980N, ST1980ND,
ST3500N, ST3600N, ST3600ND, ST3610N, ST3610ND, HAWK 1, HAWK 2 (VER. 1)
| Interface: |
SCSI-2 |
| Size: |
3.5 in. half height (ST1xxxN) |
|
3.5 in. third height (ST3xxxN) |
| View: |
Bottom |
| DRIVE SELECTION - J5 |
| Drive Number |
Jumper 1 |
Jumper 2 |
Jumper 3 |
| 0 |
open |
open |
open |
| 1 |
closed |
open |
open |
| 2 |
open |
closed |
open |
| 3 |
closed |
closed |
open |
| 4 |
open |
open |
closed |
| 5 |
closed |
open |
closed |
| 6 |
open |
closed |
closed |
| 7 |
closed |
closed |
closed |
| DRIVE SELECTION - J5 |
| Drive Number |
Jumper 1 |
Jumper 2 |
Jumper 3 |
| 0 |
open |
open |
open |
| 1 |
open |
open |
closed |
| 2 |
open |
closed |
open |
| 3 |
open |
closed |
closed |
| 4 |
closed |
open |
open |
| 5 |
closed |
open |
closed |
| 6 |
closed |
closed |
open |
| 7 |
closed |
closed |
closed |
| Note: This table applies to ST1980N, ST11200N, and
ST3500N/ST3600N with PCB# 75782480 only. Use the table on the previous page for
any other PCB#. |
| CONNECTIONS |
| Purpose |
Location |
| External Spindle Sync |
J6/pins 5 & 6 |
| Hard drive active LED |
J6/pins 3 & 4 |
| USER CONFIGURABLE SETTINGS |
| Function |
Location |
Setting |
| Drive termination enabled |
J2/jumper 3 |
closed |
| Drive termination disabled |
J2/jumper 3 |
open |
| SCSI parity check disabled |
J2/jumper 4 |
open |
| SCSI parity check enabled |
J2/jumper 4 |
closed |
| Write protect disabled |
J2/jumper 5 |
open |
| Write protect enabled |
J2/jumper 5 |
closed |
| Spindle motor starts on power-up |
J2/jumper 6 |
open |
| Spindle motor starts on command only |
J2/jumper 6 |
closed |
| Spindle motor delay disabled |
J2/jumper 7 |
open |
| Spindle motor delay enabled (IDx 12
sec.) |
J2/jumper 7 |
closed |
| Factory configured - do not alter |
J2/jumper 8 |
open |
| TERMINATION POWER SETTINGS |
| Function |
J2/jumper 1 |
J2/jumper 2 |
J2/pins 2 & 4 |
| TERMPWR supplied by drive to drive |
open |
closed |
N/A |
| TERMPWR supplied by drive to SCSI pin 26 |
closed |
open |
N/A |
| TERMPWR supplied by drive to drive and SCSI
pin 26 |
closed |
closed |
N/A |
| TERMPWR is not connected to drive or SCSI bus |
open |
open |
N/A |
| TERMPWR supplied by SCSI pin 26 to drive |
N/A |
N/A |
closed |
| MISCELLANEOUS TECHNICAL NOTES |
a) Spindle motor starts on power-up and spindle
motor start delay enabled are mutually exclusive.
b) SCSI ID may also be set using J6/jumpers 4, 5, and 6.
These jumpers perform the same function and are mutually exclusive with
J5/jumpers 1, 2, and 3. |
SEAGATE BARRACUDA 1 (VER. 2), BARRACUDA 2 (VER. 3), ST11950W, ST11950WD,
ST12550W, ST12550WD
| Interface: |
SCSI-2 |
| Size: |
3.5 in. half height |
| View: |
Top |
| DRIVE CONFIGURATION - J5 |
| Drive Number |
Jumper 1 |
Jumper 2 |
Jumper 3 |
Jumper 4 |
| 0 |
open |
open |
open |
open |
| 1 |
closed |
open |
open |
open |
| 2 |
open |
closed |
open |
open |
| 3 |
closed |
closed |
open |
open |
| 4 |
open |
open |
closed |
open |
| 5 |
closed |
open |
closed |
open |
| DRIVE CONFIGURATION - J4 |
| Drive Number |
Jumper 1 |
Jumper 2 |
Jumper 3 |
Jumper 4 |
| 6 |
open |
closed |
closed |
open |
| 7 |
closed |
closed |
closed |
open |
| 8 |
open |
open |
open |
closed |
| 9 |
closed |
open |
open |
closed |
| 10 |
open |
closed |
open |
closed |
| 11 |
closed |
closed |
open |
closed |
| 12 |
open |
open |
closed |
closed |
| 13 |
closed |
open |
closed |
closed |
| 14 |
open |
closed |
closed |
closed |
| 15 |
closed |
closed |
closed |
closed |
| TERMINATION POWER SETTINGS |
| Function |
J01 |
| TERMPWR supplied by drive * |
pins 1 & 2 closed |
| TERMPWR supplied by SCSI bus |
pins 2 & 4 closed |
| TERMPWR supplied to SCSI bus * |
pins 1 & 3 closed |
| TERMPWR supplied to SCSI bus and drive * |
pins 1 & 3, 2 & 4 closed |
| Note: * These settings are valid for single-ended drives only
("W" models). |
| USER CONFIGURABLE SETTINGS |
| Function |
Location |
Setting |
| Write protection disabled |
J4/jumper 1 |
open |
| Write protection enabled |
J4/jumper 1 |
closed |
| Delay motor start disabled |
J4/jumper 2 |
open |
| Delay motor start enabled (target ID x 10
sec.) |
J4/jumper 2 |
closed |
| Spindle motor starts on power-up |
J4/jumper 3 |
open |
| Target waits for start unit command from SCSI
host |
J4/jumper 3 |
closed |
| Parity check enabled |
J4/jumper 4 |
open |
| Parity check disabled |
J4/jumper 4 |
closed |
| Factory configured - do not alter |
J4/jumper 5 |
closed |
| Drive terminators disabled * |
J4/jumper 6 |
open |
| Drive terminators enabled * |
J4/jumper 6 |
closed |
| Note: * These settings are valid for single-ended drives only
("W" models). |
| CONNECTIONS |
| Function |
Location |
| Remote LED connector |
J5/jumper 5 |
| Spindle sync |
J5/jumper 6 |