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Chapter 2 Hardware Essentials
Status Port | Page 2 - 13 |
Note
Whenever the board is reset, the host operations should wait a minimum of five seconds before testing the RDY bit. If, after the delay, the RDY bit is not set to one, the value in the
Status Port
Error Codes
The Status Port fields during
STC
RDY Ready - This bit indicates when the adapter is ready to accept commands after a reset has completed.
0 ⇒ No command can be accepted.
1 ⇒ Ready to accept a command.
See below for a table of
If one of the
CodeDescription
00H or FDH The onboard processor is not working; it cannot access firmware EPROM; cannot | ||
| access the Status Port. | |
04H | Static RAM error. All words of static RAM are written with FFFFH, then zero. | |
This test is not exhaustive. | ||
| ||
0CH | Firmware CRC error. The calculated CRC for odd and even EPROMs does not | |
match the value stored in EPROM. | ||
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80H | SCSI PSI Address/Counter registers not masked to WORD boundaries. | |
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84H | SCSI PSI Address/Counter registers no masked to DWORD boundaries. | |
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88H | Value Miscompare errors of SCSI PSI R/W registers in Manual Load mode. | |
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8CH | Value Miscompare errors of SCSI PSI R/W registers in Auto Load mode. | |
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90H | VME PSI Address/Counter registers not masked to WORD boundaries. | |
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94H | VME PSI Address/Counter registers not masked to DWORD boundaries. | |
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98H | Value Miscompare errors of VME PSI R/W registers in Manual Load mode. | |
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9CH | Value Miscompare errors of VME PSI R/W registers in Auto Load mode. | |
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A8H | SCSI termination power fuse is blown, but termination power is still present at the | |
SCSI connector. | ||
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ACH | SCSI termination power fuse is blown and termination power is not available at | |
the SCSI connector. | ||
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B0H | Value Miscompare error of QLogic Fast SCSI chips R/W registers. | |
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B4H | QLogic Fast SCSI chip did not generate a reset interrupt. | |
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B8H | QLogic Fast SCSI chip registers not zeroed after reset. | |
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BCH | SCSI bus hung, waiting for reset from QLogic Fast SCSI chip. Could be cabling. | |
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D0H | Video RAM buffer error. | |
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E5H | The onboard processor failed the accumulator test. | |
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E8H | The onboard processor failed the store instruction test. | |
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E9H | The onboard processor failed the shift instruction test. | |
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ECH | The onboard processor failed the compare instruction test. | |
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EDH | The onboard processor failed the jump instruction test. | |
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Table 10: Status Port Error Codes
User’s Guide | 21020285 D |