Field Replaceable Units; Removing And Replacing The Term Power Fuse - HP Model 744 - VME Workstation Installation And Service Manual

Troubleshooting
which writes and reads patterns to and from the interface chip registers. Then the interface
chip is tested by implemented DMA transactions. Last, error handling is tested by
invoking errors and checking the interface chip's status. This section also runs the IODC
selftest on the interface chip.
NOTICE:

Field Replaceable Units

The following components are authorized for field replacement.
Description
Adapter board
125V, 2A, LF Fuse
Terminating Resistor Pack(3)
NOTICE:
IC removal tool

Removing and Replacing the Term Power Fuse

To remove and replace the termpower fuse (F3) do the following:
3–4
No on–line diagnostics are available for the HP A4268A Fast Wide
Differential SCSI adapter.
In the event of replacing a a Model 743 SBC that has the HP
A4268A Fast Wide Differential SCSI Adapter installed, you must
ensure the revision of the Boot ROM on the SBC is 304.2 (Rev. E)
or later. If you must replace the Boot ROM, this tool is required.
Part Number
A4268–60003
2110–0517
1810–1418
S2413–40001