Rom Installation - HP 9835A Programming Manual

35 series desktop computer assembly development rom
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General Information 3
ROM Installation
Before assembly language programming can proceed, the ROMs must be in place. The installa-
tion is a simple process.
There are several ROM drawers for the computer: one on the right side of the machine and
four in front. Each front drawer holds up to four ROMs; the side drawer holds up to fourteen.
ROMs may be placed in any ROM slot in any drawer.
Assembly Language System ROMs
To add the ROMs, turn off the computer and remove a ROM drawer (by pulling outwards on it
until it is completely separated from the computer). Insert the ROMs, one at a time, following
this procedure: you should orient the ROM so that its label reads the same way as the others in
the drawer (with the bottom of the lettering toward the "front" of the drawer). Then insert it
vertically in one of the unused slots. Make sure that it slides in all the way to the bottom of the
connector. There are small raised ribs on both sides of each ROM which will fit into recesses in
the slot; if the ribs don't fit, you have not oriented the ROM correctly.
After inserting both ROMs, re-insert the drawer in the machine (by pushing on it until it is flush
with the outside cover of the machine). With this done, you are now ready to begin writing
assembly language programs.
Figure 1. Installing the Development ROM

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