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All applications for the Z88 are stored on ROMs. These can be of several sizes, (32K, 128K, 256K and now 1M) depending on the size of the program(s) supplied. This means that it is on a comparatively stable medium and less vulnerable to corruption than say a floppy disk. However, care should still be taken not to pour coffee into the ROM cartridge.
Not enough of a particular program was ever made to justify a special ROM (Read-Only-Memory) to be manufactured, so EPROMs (Erasable Programmable Read Only Memory) were used instead.
Although EPROMs were used, as far as the Z88 is concerned they are ROMs so the words EPROM and ROM in the different manuals may be interchanged. The ROM should not be placed in the EPROM eraser unless the loss of the program is the desired outcome.
Slot 1 | Slot 2 | Slot 3 |
RAM | Applications ROM | EPROM |
Some applications, RangerDisk2, RangerLink2, zBASE and SqueeZ~88, need at least 128K of memory in slot 1 to run. | Slot 3 - Warning | |
Do not leave ROMs or EPROMs in slot 3 Any ROM or EPROM can be accidentally overwritten by the Z88 when the batteries go flat or if the Z88 goes into an unstable condition (when it just stops working). |
Further information about the use of slots is contained in Appendix 2.
If you need to move your RAM card, make sure that you back up any files that you have in it before. You can either use an EPROM pack or use another computer to store the files. Refer to your Z88 user guide or Z88 Magic for help with this.
It is very important that the following steps are taken when Installing or Removing ROMs. See CARD.
Installation instructions usually start with a warning telling you to switch off and disconnect all power. Quite the opposite is true in this case... To install the ROM, take the following steps:
It is a good idea to check whether the Z88 has installed the software correctly. To do this do the following:
You are now ready to start running an application.
To do this you can either do the following
or
You can start it quicker by using the short form key as shown next to each application's name.
PC Link L
PC Link with RangerLink2 ZL
RangerLink2 L
RangerDisk2 ZD
Z-Tape J.
THINKz O.
Vision/L ZV.
WordFinder W.
QuickEdit Q
Stopwatch Q
The added applications will appear at the bottom of the list that are already there. In the event of an application short form letter is already used, that letter will be prefixed with a Z. The next time that letter letter is used, it is prefixed with ZZ. Should the letter be used yet again, OZ gives up. The only way the application can be selected is from the INDEX screen moving the cursor over the application name and Press the key.
Before removing an application you should first check that it is still not being used. To do this:
If the application is still shown in the suspended activities when the card is removed when in the INDEX, the CARD error icon is shown at the top right-hand side of the screen. See CARD.
It is important to note that you should follow this full procedure even if you are installing another application afterwards.
If you were not in the INDEX when you removed the card, you get a continuous bleep and the error message INDEX error icon on the right-hand side of the screen. If this happens, open the flap and re-insert the card in its original slot.
Note: Errors caused by removing a card can be rectified by re-inserting the card into the original slot from which it was removed.
Avoid excessive force. Be particularly careful not to damage the transparent cartridge cover - your Z88 will not operate without it! does not work.
You must treat this as two operations. If you take a card out, treat it as removing the application and close the flap first to let the Z88 know that you have removed it before opening it again to install the new one.
If the Z88 starts to bleep and displays message CARD error icon is in the top right-hand corner of the INDEX screen after you have inserted or removed a ROM, the above procedures have not been followed .
To clear this do the following