Technical data

Index 3
controls (continued)
power switch
Model 400s, 2-4
Model 400t and Model 400dl, 2-1
Reset switch
Model 400s, 2-5
Model 400t and Model 400dl, 2-1
SERVICE mode switch
Model 400s, 2-5
Model 400t and Model 400dl, 2-1
system, 2-1 to 2-10
converter board (Model 400s), 5-51
cover removal (Model 400t and 400dl), 4-61
CPU board
jumper and switch configurations, A-1 to A-2
Model 400s
removal and replacement, 5-52
Model 400t and 400dl
internal cables, disconnecting, 5-13
removal and replacement, 5-12
theory of operation, 3-10
CPU/Motherboard, 1-5
ctboot program, 4-25
D
DAT tape drive, jumper settings, A-14
defective memory boards (Domain), 4-23 to 4-24
Diagnostics, 4-2
boot PROM, 4-2
Domain systems
accessing, 4-15
boot shell, 4-26
relationships, 4-16
SAX (System Acceptance Exerciser), 4-27
self test overview, 4-17
standalone utilities, 4-14
Storage Subsystem Tests (SST), 4-27
summary, 4-14 to 4-16
Test Stimulus Code (TSC), 4-24 to 4-25
HP-UX, 4-38
FRU support, 4-38 to 4-40
DIO-II (Model 400s)
accessory boards, 1-13
backplane, 3-18
bus slot, 3-10
card cage, illustrated parts breakdown, 5-81
center wall, removal and replacement, 5-66
controller, theory of operation, 3-14
motherboard, removal and replacement, 5-68
ISA converter board, 3-17
disked systems, Domain diagnostics, 4-15
diskless node partnering problems, (Domain), 4-10
diskless systems, Domain diagnostics, 4-15
display
operation, 3-19
options on Model 400t, 1-2, 1-9
problems (Domain), 4-9
types (HP-UX), 4-32
DMA DIO controller, 3-15
Domain systems
accessing diagnostics, 4-15
compatible mode, selecting, B-1 to B-3
connecting terminals to, D-1 to D-2
diagnostics
boot shell, 4-26
disked systems, 4-15
diskless systems, 4-15
extended self test, 4-14
Mnemonic Debugger (MD), 4-14
netboot program, 4-14
online exercises, 4-14
Phase II Boot Shell, 4-14
relationships, 4-16
SAX (System Acceptance Exerciser),
4-27
self test, 4-14
standalone systems, 4-15
standalone utilities, 4-14
Storage Subsystem Tests (SST), 4-27
summary, 4-14 to 4-16
sysboot program, 4-14
Test Stimulus Code (TSC), 4-14
disked systems, diagnostics, 4-15
diskless systems, diagnostics, 4-15
identifying defective memory boards, 4-23 to
4-24
keyboard
serial port, 3-9
troubleshooting flowchart, 4-8
MD level, system status LED codes, 4-24
normal operation, LED codes, 2-10
online diagnostics, 4-26 to 4-28
overview, 3-2 to 3-3
primary network selection, B-4
selecting the primary network, B-4
selecting network priority, B-1 to B-4
selecting the operating mode, B-1 to B-4
self test diagnostics overview, 4-17
standalone systems, diagnostics, 4-15