DEC DECstation 316+, Service Manual

Page: 92 / 94

2 Index
L
LK250 Keyboard, 1–12
M
Main Logic Board
exploded view, 3–6
removal, 3–28
Math Coprocessor
replacement of coprocessor on
DECstation 316+, 3–14
replacement of coprocessor on
DECstation 320+, 3–16
replacement of coprocessor on
DECstation 325
C
/333
C
, 3–12
replacement of coprocessor on
DECstation 425
C
, 3–16
P
Parallel I/O Port Connector
pin numbers and functions, B–1
Peripheral Interface, B–1
Power Consumption, A–1
Power Consumption Table, A–1
Power up
beep error codes, 2–3
error messages, 2–3
Power up test messages, 2–7
R
Removing and Replacing FRUs
Criteria, 3–5
Replacing An Optional Floppy Drive,
3–11
RS-232C Serial Port Connector
pin numbers and functions, B–2
S
Setup
when to run, 2–21
SIMM Removal, 3–20
System utilities diskette
language option menu, 2–21
main menu, 2–21
T
Tools, 2–1
troubleshooting
blank screen, 2–17
blank screen after power up, 2–18
boot, 2–6
diagnostic routines, 2–7
disks, 2–16
distorted screen, 2–19
during operation, 2–20
error codes and messages, 2–7
F1 setup error, 2–17
floppy disk cannot read/write,
2–16
hard disk cannot read/write, 2–16
hard disk produces inaccurate
text, 2–16
intermittent hard disk read/write,
2–16
LED is not on, 2–17
LED off with monitor on, 2–18
monitor on without text or cursor,
2–18
monochrome display, 2–19
no boot, 2–6
no boot from floppy drive, 2–15
no boot from hard disk, 2–14
node not booted with DEPCA,
2–14
no monitor display, 2–13
no power, 2–5
no reboot, 2–15
no response, 2–13