Re: apple //c, which version?

[shack@onyx.southwind.net (Randy Shackelford)]

Ralph Wade Phillips (ralphp@gcstation.net) wrote:

:         Try a PR#7.  If it DOESN'T support the UniDisk 3.5, then you'll
: get an attempt to boot off of an external 5.25" floppy and a (after a few
: seconds) "Check Disk Drive" message.  If it DOES support the UniDisk 3.5,
: !AND! is NOT the 4464-type //c, then you'll get "AppleTalk Offline".  If
: it has four, 4464 DRAMs instead of 16, 4164 DRAMs, then it supports the
: UniDisk 3.5 already (easy to spot - from front to back, pointing right to
: left, on the RIGHT side as you look at the motherboard as if you were
: looking at the keyboard.)

Eh? I have two memory expandable //c logic boards, newer than the unidisk
type, and they still have 1 bit memory chips. When I cracked my //c plus
open the other day I discovered it has 4 bit memory though.

:         The two-piece case should be the later design, whereas the
: three-piece case might or might not be a REV"A" ROM board.

Yep the memory expandable //c with grey keys has the back panel part integrated
with the case top so only two parts.
--
Randy Shackelford
shack@southwind.net