PSCAAAN A5E0023936304 Console Data Link Module
Technical data of product parameters
SCSI devices may not operate or may function PSCAAAN A5E0023936304
erratically. When the P2 adapter is used with an
MVME712M and the SCSI bus is connected to the
MVME712M, the green LED (DS2) on the MVME712M
lights when there is SCSI terminator power. If the LED
flickers during SCSI bus operations, the fuse should be
checked. PSCAAAN A5E0023936304
10. Observe the system console. The default condition is with the
ROMboot routine enabled, so the boot routine contained in
the MVME147’s ROMs is begun.
With the 147Bug EPROMs installed on the MVME147
module, 147Bug executes a set of self-tests and displays its
prompt, 147Bug>.The RUN LED on the MVME147 module will
be lit.
If after a delay, 147Bug begins to display test result messages
on the bottom line of the screen in rapid succession, the
MVME147 is in 147Bug’s “System” operating mode. To get to
the normal or “Bug” operating mode, press the ABORT switch
on the front panel of the MVME147 to cause a menu to be
displayed. Enter a 3 to go to the system debugger. (Refer to
Appendix B.) PSCAAAN A5E0023936304
When power is applied to the MVME147, bit 1 at location
$FFFE1029 (Peripheral Channel Controller (PCC) general
purpose status register) is set to 1 indicating that power was
just applied. (Refer to Chapter 4 for a description of the PCC.)
This bit is tested within the “Reset” logic path to see if the
power-up confidence test needs to be executed. This bit is
cleared by writing a 1 to it thus preventing any future powerup confidence test execution. PSCAAAN A5E0023936304
If the power-up confidence test is successful and no failures
are detected, the firmware monitor comes up normally, with
the FAIL LED off.
If the confidence test fails, the test is aborted when the first
fault is encountered and the FAIL LED remains on. If possible,
Product picture display
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Introduction to main products
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reminder
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