Technical data

I–7
Compaq HSZ80 Array Controller ACS Version 8.3 Maintenance and Service Guide
N
Nonvolatile memory
fault-tolerance for write-back caching, 4–17
Note, defined, xxi
P
Part numbers
AC input module, 1–3, A–3
BA370 rack-mountable enclosure, 1–3, A–3
cache module, 1–3, A–3
cooling fan, 1–3, A–3
dual-battery ECB, 1–3, A–3
ECB, 1–3, A–3
ECB Y cable
BA370 enclosure, 1–6, A–6
data center cabinet, 1–6, A–6
EMU, 1–3, A–3
I/O module, 1–3, A–3
power supply, 1–3, A–3
PVA module, 1–3, A–3
single-battery ECB, 1–3, A–3
Patches
deleting, 3–10
installing, 3–8
listing, 3–12
listing, installing, deleting, 3–8
PCMCIA card
installing a new card, 3–3
replacing, 2–55
dual-redundant controller configuration,
2–55
single-configuration controller, 2–55
Power source
enabling write-back caching, 4–17
Power supply
part number, 1–3, A–3
Power, verification, and addressing module. See
PVA module
Precautions
electrostatic discharge, xviii
maintenance port, xix
Problem solving, 4–4
Program card
write-protection switch, 3–5
Publications, related, xxiii
PVA module
part number, 1–3, A–3
replacing, 2–43
replacing in a dual-redundant controller
configuration, 2–43
replacing in a single-configuration controller,
2–43
R
RAIDset member
installing, 2–58
removing, 2–57
Rate of transfer, checking to host, 4–45
Read capability, testing, 4–56
Reduced storageset, 2–57
Related publications, xxiii
Remedies, 4–6
Removing
cache module
dual-redundant controller configuration,
2–31
single-controller configuration, 2–13
controller
dual-redundant controller configuration,
2–25
single-controller configuration, 2–9