Service manual
Index- 3
module locations, 4-17
power subsystem, 1-94–1-103
system box, 1-7
GS80
backplane, 1-11
cabinet cabling, A-16–A-19
description, 1-9
module locations, 6-3
power subsystem, 1-104–1-111
H
Halt LED, 1-13, 2-3
Halt pushbutton, 1-13, 2-3
Hierarchical switch
function, 1-18
module, 1-76
removal and replacement, 4-47
Hot-swap state
defined, 4-10
getting into, 4-12
HPM. See H-switch power manager
module
H-switch. See Hierarchical switch
H-switch power manager module
description, 1-79
function, 1-33
removal and replacement, 4-53
H-switch power module
description, 1-66
removal and replacement, 4-49
I
I/O riser module (local)
function/description (drawer), 1-60
function/description (system box), 1-
58
removal and replacement (drawer), 6-
17
removal and replacement (system
box), 4-33
I/O riser module (remote)
function/description, 1-89
removal and replacement, 5-9
I/O subsystem, 1-80–1-93
I/O transition module
removal and replacement (GS80), 6-
19
I
2
C buses
on CPU, 1-43
on H-switch/HPM, 1-33
on local I/O riser, 1-59
on PCI backplane/PBM, 1-31
on PSM/QBB, 1-29
on remote I/O riser, 1-89
Info command (SRM), 3-44
J
Jumpers
on HPM, 1-79
on PCI backplane, 1-83
on standard I/O, 1-87
K
Kill command (SRM), 3-50
Kill_diags command (SRM), 3-49
L
LEDs
on 48V power supply, 1-99, 1-109
on AC input box (GS160/320), 1-97
on AC input box (GS80), 1-107
on auxiliary power, 1-65
on console serial bus node ID, 1-91
on CPU, 1-43
on HPM, 1-79
on H-switch clock, 1-51
on H-switch power, 1-67
on local I/O riser, 1-59
on main power, 1-63
on OCP, 1-13, 2-3
on PCI box ID, 1-91
on PCI power supply, 1-113
troubleshooting with, 3-72–3-75
LFU
running of, D-12–D-17
Local I/O riser
removal and replacement (drawer), 6-
17
removal and replacement (system
box), 4-33