Chapter 1
HP A7173A Adapter Overview
About the A7173A Adapter
8
Maximum SCSI Cable Length
— Maximum LVD cable length of 12 meters with
multiple SCSI devices (25 meters
point-to-point)
— Maximum SE cable length of 6 meters with a
maximum of 8 SCSI devices
SCSI Bus Termination
— LVD/SE: On-board termination, enabled or
disabled with a hardware jumper.
— SCSI termination power source with
auto-resetting circuit breaker (TERMPWR)
Signaling
16-bit SE or LVD interfaces
Flash ROM
Yes, for boot code and firmware
Serial EEPROM
Yes, it contains Vital Product Data (VPD), HP PCI
IDs, SCSI Parameters, and Chip Configuration. It
is also configured with the HP part number for
easy identification when
ioscan
is used.
Safety Characteristics
The HP A7173A adapter board meets or exceeds
the UL flamability rating 94 V0. Each bare board
is also marked with the supplier’s name or
trademark, type, and UL flamability rating. Since
these boards are installed in a PCI bus slot, all
voltages are below the SELV 42.4 V limit.
Table 1-1
A7173A Adapter Features and Specifications (Continued)
