Specifications

SQ: 1-15
RS3: Service Quick Reference Guide
Troubleshooting
Console Power-Up Tests (continued)
Item DefinitionTest
Printer
(cont.)
Printer Ready This indicates if the printer is present and on
line. If the printer is not connected, it will not
cause the diagnostic screen to lock up, but
printer indication will be backlit, indicating no
printer i s connected.
RTC The operation of the Real Time Clock is tested.
If a fault is indicated, the card should be
replaced.
RTC Battery This indicates the state of the charge on the
batteries used to back up the Real Time Clock.
If a fault i s indicated, the battery charge is low
or the battery jumper switch is in the off
position. The battery status is also monitored
on the M CT screen.
SCSI Board
(MTCC)
Disk Drive
(MC and
BCC)
DMA Registers The registers of s everal of the devices on the
card are tested to verify operation of the board.
If a fault i s indicated here, the c onsole may not
boot up from disk. If it does, operation c an be
attempted, but the card s hould be replaced as
soon as possible.
RAM Test #1 This is a data test of the RAM on the Disk
Interface card. If a fault is indicated here, the
card should be replaced.
RAM Test #2 This is an addressing test of the RAM on the
Disk Interface card. If a fault is indicated here,
the card should be replaced.
SCSI Controller This test checks the registers of the specialized
SCSI interface bus devices for proper power
up conditions.
SCSI Master This indicates which console is the SCSI
master.
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