General Category > Lisa Troubleshooting and Repair
Need HELP re: Lisa 2/5 vs. Lisa 2/10
sigma7:
--- Quote from: Markintosh on May 24, 2024, 04:38:44 pm ---I plan to make this unit into a 2/10 without the screen updates for Mac compatibility.
Without any other S.R. updates, can the ROM you spoke of be used in my 2/10 setup with an 800k?
--- End quote ---
Yes, the "XLSSDSM6" I/O Board ROM is for use with either a 400k or 800k drive on a 2/10, and the cabling is the same, but the 400k and 800k drives are different heights so mounting them in the drive cage to align with the slot in the front panel is different.
For both the Lisa 2/10 aka XL and 2/5:
The square pixel screen modification is completely separate from the I/O Board ROM & 3.5" floppy drive options (aside from not being able to combine square pixels and Twiggies with any available operating environment, except BLU maybe?)
Also, MacWorks can be used with or without the square pixel modification (There are variants of MacWorks XL specific to each screen configuration, while MW+/II are universal), and I suspect MW+/II varieties all operate ok with either 400k or 800k floppy drives. MacWorks XL up to 3.0 predate the 800k drive; I don't recall if they work with it 100% or not. Other operating environments (LOS, Workshop, *nix) don't support the square pixel configuration (at least until LOS source can be recompiled).
Markintosh:
Good to know-thank you!
I have a custom bracket for an 800k drive if I go that route. I believe I also have a spare 400k drive I can use as an option.
I do not have a Widget drive. I'm not sure I want to deal with them, as I've think I've heard they can be troublesome.
Are there any solid state alternatives to the Widget, ie: the TashTiny?
sigma7:
--- Quote from: Markintosh on May 24, 2024, 05:41:27 pm ---I do not have a Widget drive. I'm not sure I want to deal with them, as I've think I've heard they can be troublesome.
Are there any solid state alternatives to the Widget, ie: the TashTiny?
--- End quote ---
For actual use (as opposed to a collection), I think most would agree that you don't want a real Apple Widget or Apple ProFile due to their age.
There are multiple alternatives for a modern replacement for the Widget; searching for "Apple ProFile Emulator" should find those (although a ProFile and Widget are not literally the same, a ProFile emulator is an appropriate substitute), some are DIY, some can be purchased assembled and tested. The parallel port ProFile hard disk as used by the Apple ][ and Apple /// are the same as the one used by the Lisa.
Sorry, I don't know what a TashTiny is... someone else?
sigma7:
--- Quote from: Markintosh on May 24, 2024, 03:59:13 pm --- ... I'll have a few more questions as I modify my ribbon cable
--- End quote ---
This might (or might not) be helpful: Chassis Ribbon Cable
Markintosh:
That is great news that the Widget can be replaced with a ProFile emulator-I have the parts to build one!
I recently acquired a real ProFile, just to have one. I do not like them on top of Lisas-they don't fit in well. ProFile was clearly designed to meld into an Apple /// and it looks perfect set into one.
The cable post you made me is VERY helpful-thank you!
The TashTiny is an offshoot of the Tash 20, a Mac 20HD emulator. The floppy port HDD.
I like the idea of the Arduino based ProFile emulator mounted into the drive cage.
Do you recommend adding a cooling fan to Lisas??
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