
8 | ST9144 Family Installation Guide, Rev. B |
Drive configuration
∙Master/Slave configuration. Refer to the table below to con- figure up to two drives on a single AT bus.
System Configuration | Pins | Pins | |
|
|
| |
|
|
| |
Drive is Master, no Slave present | Removed | Removed | |
Drive is Master, | Removed | Installed | |
Seagate Slave present* | |||
|
| ||
Drive is Slave to another | Installed | Removed | |
ST9144 Family AT Drive | |||
|
| ||
Reserved Positions (Do Not Use) | Installed | Installed | |
|
|
|
*Includes ST125A, ST138A, ST157A, ST1102A, ST1144A, ST351A, ST3096A, ST3120A, ST3144A, ST9051A, ST9052A, ST9077A, ST9096A, and ST9144A.
∙Power connection. The ST9144 family drives use +5 Volts DC power supplied to the drive through the interface connector. Refer to the
Caution. The drive does not use +12 Volts DC power. Make sure only +5 Volts DC is being supplied to the drive, as specified in the
∙Attach AT interface cable. Use a
Make sure Pin 1 on the interface cable connector is aligned to Pin 1 on the drive interface connector and Pin 1 on the host connector. The maximum cable length is 18 inches (457 mm).