IBM 365xX, Hardware Maintenance Manual

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Do You Need Technical References?
We have a wide range of hardware technical references
that provide in-depth information about IBM personal
computer products. Our Technical Reference Library
includes information about:
Micro Channel, Setup, and Subsystem Control Block
architectures
Common interfaces (including microprocessors,
system timers, parallel and serial port controllers,
keyboards and keystrokes, SCSI, DMA, video, and
more)
Specific Personal System/2 systems (including
system board connectors, jumpers, memory
subsystems, I/O subsystems, programming interfaces
and registers, and error codes)
Basic input/output system (BIOS)
Options and adapters
Important
A catalog of our current offerings is available on the
World Wide Web at:
http://www.pc.ibm.com/desktop/pcdcat.html
Technical information manuals for the latest Commercial
Desktop computers are available on the World Wide Web.
These publications can be viewed online in BookManager
format, or they can be downloaded as PostScript files.
Go to http://www.pc.ibm.com/cdt
and then select the “Technical information” topic.
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IBM Mobile Systems HMM