Diagnostic Features; Controller Jumper Settings - Intel SRCU42L - RAID Controller Hardware Installation And User's Manual

Table 2-1. Controller Jumper Settings
Jumper Block
J1 - SCSI bus termination jumper block. These jumpers control SCSI termination for both
channels.
J4 - IOP mode select jumper block: This jumper is used to place the IOP in reset, which
enables the flash chip to be programmed to recover resident firmware. See
for a detailed description of jumper J4.
J5 - SCSI termination power jumper block - At least one device has to supply +5 volts
termination power to the SCSI bus.
2.2

Diagnostic Features

The SRCU42L has LED indicators, an 80db audible alarm, and boot-up beep sequences
that can help diagnose the controller.
Hardware Installation and User's Guide
Jumper Position
Jumper on A
No jumper on A
J1
Jumper on B
No jumper on B
Jumper on pins [1-2]
J4
Jumper on pins [2-3]
No jumpers
Jumper on A
No jumper on A
J5
Jumper on B
No jumper on B
Hardware Installation
Definition
Termination for channel A is on.
Termination for channel A is off.
Termination for channel B is on.
Termination for channel B is off.
IOP is in reset mode with firmware recovery
enabled.
IOP is in normal run mode.
IOP is in normal run mode.
Controller supplies termination power to
channel A.
Controller does not supply termination power
to channel A.
Controller supplies termination power to
channel B.
Controller does not supply termination power
to channel B.
Appendix A
17