The 9845B/T. The 9845B was a revised version of the 9845A, announced first in the 9845B sales brochure from 1979 and introduced in the 1980 catalog. The 9845B was HP's top-selling System 45 model. It took a noticable part in HP's revenue of that time. Most of the 9845 systems which are still available today are 9845B models.

The 9845S came standard with the additional tape drive, printer and graphics package. The 9845B replaced the 9845A in 1979. The original 9845B came standard with 56K RAM, expandable to 449K. Subsequent models could accomodate 1.5 MB of …

Welcome to the HP 9845 preservation project. This site is dedicated to one of the most fascinating pieces in computing history, the Hewlett Packard 9845 computer. The HP 9845 opened a complete new line of dedicated computers, based on one single philosophy: to bring as much computing power as possible to the desktop.

I don't know the 9845A very well (not having got one), but AFAIK the easiest way to tell the -A from the -B or -C (the latter 2 are very similar) is to remove the cover (it takes a few minutes max) and look at the processors. If you have a PCB with 2 HP hybrid processors (in the big metal heatsinks nicknamed 'Honda Heads' :-)) on one PCB it's a ...

As with every emulator, you can use the HP 9845 emulator to check HP 9845 software on a guest system without the real hardware. This can make software development, debugging and testing on the system in general much more convenient.

HP 9845 introduced first as a monochrome (9845A/S), then a high-performance monochrome (9845B/T) and a high performance color (9845C/T) model. The 9845 came with one tape drive, and optional second tape drive and 80 column wide thermal printer integrated into the base under the pillar-mounted display unit.

HP 9845B: Any expertise out there? I am currently warming up/drying out a 9845B that has been in 'inadequate' storage for some years. (plus the dual 8 inch disk drive that goes with it) There is a fair amount of operating/programming literature with it but there is virtually nothing in the way of servicing/technical info.

Below you will find brief information for 9845B, 9845C. This handbook provides specifications, installation instructions, troubleshooting tips, and adjustments for maintaining your HP computers. Discover configuration options, diagnostics, replaceable parts, and service notes to keep your system running smoothly. All rights are reserved.

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View and Download HP 9845B/C CE handbook online. 9845B/C CE desktop pdf manual download. Also for: 9800 series.