Screen Item
Cause of Failure
CPU
Motherboard problem
CMOS RAM
a.)
Battery backup problem
b.) Motherboard problem
ROM Checksum
a.) ROM failure - replace ROM
b.) Motherboard problem
Memory Refresh
Motherboard problem
DMA Controllers
Motherboard problem
Interrupt Controller
Motherboard problem
Keyboard
a.) Pressed key while booting - reboot system
b.) Keyboard bad - replace keyboard
c.) Motherboard problem
Dedicated memory
If not 0384 KB,
a.) Memory problem - replace memory
b.) Motherboard problem
Base memory
If not 0640 KB,
a.) Memory problem - replace memory
b.) Motherboard problem
Extended memory
If not 3072 KB or more,
a.) Memory problem - replace memory
b.) Motherboard problem
Total memory
a.) Memory problem - replace memory
b.) Motherboard problem
Clock/Calendar
Motherboard problem
Floppy disks
a.) Poor connection
b.) Bad drive
c.) Bad Controller
d.) Motherboard problem
Hard disks
a.) Poor connection
b.) Bad drive
c.) Bad controller
d.) Motherboard problem
4-2 Configuration Testing and Troubleshooting
Summary of Contents for 6386 WGS
Page 1: ...AT T 999 500 355 Issue 1 July 1990 AUDIX Voice Power Installation and Maintenance Guide...
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Page 37: ...FIGURE 2 19 Location of Memory SIMM Sockets on 6386 25 WGS Hardware Installation 2 23...
Page 61: ...FIGURE 2 38 6386E 33 WGS System Module Back Panel Hardware Installation 2 47...
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