HP 400 Series Servicing Manual page 288

Domain systems (continued)
system status LED codes from MD level, 4-24
terminals, D-1 to D-2
troubleshooting, 4-3 to 4-27
flowcharts, 4-3 to 4-13
requirements, 4-1
dumping memory, 4-17
E
ECC, 3-15
EEPROM
configuring for HP-UX systems, C-1 to C-29
changing, C-1 to C-3
on CPU/Motherboard, 3-9
theory of operation, 3-10
Model 400t and 400dl
data storage, 5-15
removal and replacement, 5-17
puller, 5-16, 5-17
EISA tests, self test diagnostics (Domain), 4-18
emulator board
components, on CPU/Motherboard, 3-9
removal and replacement
Model 400s, 5-58
Model 400t and 400dl, 5-11
entering I/O configuration mode (HP-UX), C-12
to C-15
equipment, troubleshooting, 4-63, 4-68, 5-1
Error Checking and Correction (ECC), theory of
operation, 3-15
Error codes. See error messages
error log, system, 4-26 to 4-27
error messages
LAN boot (HP-UX), 4-37
self test diagnostics, (Domain) 4-20 to 4-22
sysboot program, 4-25
extended SCSI test messages (HP-UX), 4-51, 4-52
extended self tests (HP-UX), 4-54
extended test, section of self test diagnostics (Do-
main), 4-18
4 Index
F
failure, self-test diagnostics
codes, general description, 4-41 to 4-43
indications, 4-40 to 4-41
fans, main (Model 400s), 5-70
field terminal (Domain),
activating, D-1 to D-2
using, D-1 to D-2
Floating-point coprocessor, 3-10
Flowcharts, troubleshooting
Domain/OS systems, 4-3 to 4-13
HP-UX systems, 4-28 to 4-31
FPU, 3-10
code LED display, self test diagnostics (Do-
main), 4-22
fault isolation, 4-1 to 4-77
self test support (HP-UX), 4-38 to 4-40
level operation, 3-9 to 3-20
FRUs
Model 400s
illustrated parts breakdown, 5-77 to 5-85
Model 400t and 400dl
CPU board internal cables, 5-13
illustrated parts breakdown, 5-22
list, 5-22
removal and replacement
calendar battery, 5-21
CPU board, 5-12
EEPROM, 5-17
Emulator board, 5-11
graphics controller board, 5-7
LED board, 5-20
memory module, 5-6
network interface board, 5-8, 5-9
power supply, 5-18
power switch panel, 5-19
Winchester disk, 5-10
system unit, 5-4
G
GAD bus interface board, 3-18
go command, 4-26
graphics controller (Model 400t and 400dl), remov-
al and replacement, 5-7
graphics controller boards, 3-18 to 3-19
graphics controllers (Model 400s), 1-14
GRTEST, 4-26