Hardware Diagnostic Status Registers - Prime Computer 50 Series Service Manual

TABLE OF CONTENTS
4.7. 4v VCP CONNECTOR SIGNALS. @e@eeseoeovoeaveeveeeeveeeseseoneveeeneneensd
4.8 POWE POWER SUPPLIES. ccc cccc ccc ccc c cent cece cere eee e ence seeeaee
1045 AND 1051 POWER SUPPLIES. .ccscvcccccccncvecs 8.1
8.2 DC VOLTAGE BUSES. cece ccccccccccrccesscvcsssecsssenes
8.3 POWER SUPPLY PROTECTION. «ccccsccccscvscccccccsecvence
8.4
8
4.
4
4.
4 AC/DC POWER FAILURE SEQUENCE AND CONTROLS....ccsecvee
4.8.5 UNINTERRUPTIBLE POWER SUPPLY (UPS) ..cccecccsesceccces
4.9 POWER DISTRIBUTION UNIT (PDU) NON-FCC CABINET. .ccsccccvcces
4.1
4-99
. Q POWER DISTRIBUTION UNIT (PDU) ECC cece ccc cc ccesescveveseee4—l02
CHAPTER 5. PREVENTIVE MAINTENANCE .....ccccccccccsccccccccseces
el INTRODUCTION. ccc ccc ccc cc wc cece ccc ccccc neces scssccercceeseee
2 MAINTENANCE PHILOSOPHY. .cscccccecccncscsscncscccccesccccces
3 PRODUCT HISTORY. .cccccacccccncccccccvevescasssscccccsesssse
523.1 SYSTEM LOGBOOK. .ecccccccccvccnescsnssesnssscccssscces
5.3.2 EVENT LOGGERS. ccccccccenccccnscccevesccssccteeseecees
5.3.2.1 System Event Loggerecsccccccccscncasvccsccces
5.3.2.2 Network Event Loggeresscccccescccccesecsscese
4 PM SCHEDULE. ..cccccccccvccnscccnaceveccscccassssescesessece
5 MAINTENANCE TOOLS... ccc cnccccccccccccccsnensccescccesscsces
6 PM PROCEDURE. ccc ccc cree ence cece neste enenecetseessscscsees
5.6.1 SYSTEM SHUTDOWN. 2... cccscccccccccncccnsncccccccescscce
5.6.2 CLEANING AND INSPECTION, cacccccccssccsasscccecescsece
5.26.3 PERIPHERALS... cccccccccccccnseccnnssnccccceucscececes
5.6.3.1 Disk Drives (Removable) ..sccoscecvccsevcsccece
6.3.2 Magnetic Tape DriveS..cccccecccvvcecscccceens
-6.3.3 System Console (TERMINET)..sccccncessscccece
6.3.4 PLINCerS.cccosevecscnvcssnscsccvsscssecsscece
5.6.3.5 Terminals (CRIS) .cccccccccccccsccccensscceces
5.7 ENVIRONMENTAL CHECKOUT. .cccccccccccccccccccnsucsececesscces
5-8 SYSTEM STARTUP. ..cccccccccccscnnccccesseccncscnssssssescces
5
5
5
CHAPTER 6. CORRECTIVE MAINTENANCE ...ccccccccccsccccccccscveces
6.1 CORRECTIVE MAINTENANCE OVERVIEW, ccccncccccscceccccceccsoves
6.1.1] MAINTENANCE TOOLS & MATERIALS. ..ccccccccccccccccscccs
6.1.2 LOGIC LEVELS... ccccc ccc cc cccccccvevcesccccessssssscees
6.2 TROUBLESHOOTING GUIDE... cece esc cccccesccecccvesccsevesseuse
6.2.1 GENERAL TROUBLESHOOTING NOTES. cccccccccsccccccveseses
6.2.2 VCP VERIFICATION. .ccccccccccsevecuscccccessccessseses
6.2.2.1 VCP Dynamic RAM TeSt..cecccccccseccccescsscns
6.2.2.2 VCP High Speed Buffer TeSt..ccccccsccocevcces
6.2.3 MICRO-VERIFY ERROR HANDLING. .ccsecccccsccccccvccesces
6.2.3.1 Micro-Verify Initialization... .ccccccccvcccces
6.2.3.2 P850/P750 Micro-Verify DifferenceS....eseeees
6.2.4 TROUBLESHOOTING SYSTEM (PRIMOS) HALTS. ..cccccsccccess
6.2.4.1 Hardware Diagnostic Status RegisterS....eeeeee
6.2.4.2 General System Halt Handling... ..cccccsscccees
6.2.4.2.1 850 Halts. .ccccvcceccccncccsvscscccavere
6.224.262 SSU HaltSecccccrccccccsccccccccccssccsecs
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5-
5-
5~
5.
5~
5-
5
5-
5~
5-
5~
5-
5-10
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