RadiSys EPC-2 Hardware Reference Manual
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Contents
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3. When you first power-on your system, invoke the BIOS .i.setup screen; andchange the SLOT 0 FUNCTIONS to INTERNAL CLOCK or EXTERNAL CLOCK (the latterbeing the case if you have an external 10 MHz clock source connected to the EPC-2 front panel).The setup screen is invoked by pressing the CTRL+ALT+ESC keyssimultaneously. You can do this at the operating-system prompt or when thepower-on selftest screen is cleared after rebooting.To configure the EPC-2 as not the slot-0 controller, you need to:1. Set the jumpers as shown in the previous diagram.2. Install the EPC-2 in other than slot 0 of your VXIbus chassis.3. When you first power-on your system, invoke the BIOS .i.setup screen; andchange the SLOT 0 FUNCTIONS to NONE.The setup screen is invoked by pressing the CTRL+ALT+ESC keyssimultaneously. You can do this at the operating-system prompt or when thepower-on selftest screen is cleared after rebooting.Older ModelsTo change the configuration of the earlier version of the EPC-2, open the rightcover and set the unit on a static-free surface with the front panel to theleft. There are four .i.jumpers; that need to be set..G.EPC2JUMP.EPS;2.75";1.435";PostscriptTo change the jumpers, you will need to use needle-nose pliers. Make sure thatyou and the pliers are grounded to avoid ESD damage.After changing the jumpers, follow the procedure above. Note that some earlierEPC-2s allow invocation of the .i.setup screen; only immediately after thefixed-disk message appears near the bottom of the initial screen after booting.Troubleshooting the Configuration JumpersThere are several readily apparent consequences of incorrectly configuring theEPC-2. For an EPC-2 physically present in .i.slot 0; in the VXIbus system:1. If the .i.resource manager; running on the slot 0 controller reports asystem configuration differing widely from the actual configuration (e.g.,reports no devices found or reports devices in empty slots), the .i.MODIDjumper; (the single jumper) is probably set incorrectly.2. If the EPC-2's power-on selftest reports a VXI failure, the .i.CLK10jumpers; could be set incorrectly or the setup parameter SLOT 0 FUNCTIONS couldbe incorrect (i.e., set to NONE, or set to EXTERNAL when there is no externalclock source connected).3. If the CLK10+ and CLK10- signals are not being driven on the backplane,any of the problems mentioned in the previous point could be the cause.For an EPC-2 physically present in other than slot 0 in the VXIbus system:1. If the resource manager could not detect the presence of the EPC-2, theMODID jumper is set incorrectly.2. If the EPC-2's power-on selftest reports a VXI failure, the .i.CLK10jumpers; could be set incorrectly.3. If multiple masters seem to be using the .i.data transfer bus;concurrently, or if the 16 MHz .i.SYSCLK; signal on the backplane is out ofspec, the EPC-2's setup parameter SLOT 0 FUNCTIONS could be incorrect (i.e., setto other than NONE).4. If the CLK10+ and CLK10- signals on the backplane are out of spec, the.i.CLK10 jumpers; in the EPC-2 may be set incorrectly.4. .i.No SYSCLK error;If the EPC-2's power-on selftest reports "TESTING VMEINTERFACE - NO SYSCLK," the slot 0 controller is not generating the 16 MHz.i.SYSCLK; signal.EPC-2 InsertionThe EPC-2 is inserted in a VXIbus card cage in the following way:1. Make sure that power to your VXI system is off. The modules are notdesigned to be inserted or removed from live backplanes.Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com |
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