32 Hawk 2 (Wide bus) Family Install Guide, Rev. C
J6 and
Jumper
Installation Jumper Function Description
A3,A2,A1,A0* Drive ID on SCSI Bus. The drive ID is binary coded positionwise i.e., jumper in position A3 is drive ID 8, in position A2 is drive ID 4, in position A1 is ID 2, position A0 is ID 1 and no jumpers is ID 0. Default is ID = 0.
| Either |
| drive ID. Both should not be used at the same |
| time, because at some future time when the ID |
| is changed the user could fail to configure both |
| |
| 0. |
SSP* | No jumper ever installed. Used only as a cable |
| connection for the reference index signal |
| (REFIND+) (J6 Pin 6, bottom) for sync spindle |
| feature. J6 pin 10 is GRD. Installing a jumper |
| between pins 5 and 6 will cause an erroneous |
| drive ID indication. |
BUSY Connection for optional external Drive Busy indicator.
VENDOR Connection for optional indicator for custom use.
UNIQUE See host system documentation. EXTERNAL Optional indicator indicates some external to
FAULT drive fault occurred.
*See notes on page 28 and 29