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Re: Bell & Howell ][+ and lowercase characters

Michael J. Mahon wrote:
> A machined-pin socket and some wire can be made into an adapter
> to allow a 2716 to plug into the 2513 socket.  The same kind of
> adapter is needed to replace any of the Monitor/BASIC ROMs.

At least the Monitor/BASIC ROMs have all but 3 pins in common.
A 2513 => 2716 adapter would have the following pinout:

2513 signal 2716/2316B
14 VA  8
15 VB  7
16 VC  6
17 DL0 5
18 DL1 4
19 DL2 3
20 DL3 2
21 DL4 1
22 DL5 23
4  O1  10
5  O2  11
6  O3  12
7  O4  13
8  O5  14
11 /E  18,20
24 Vcc 24,21
10 Gnd 12
1  Vgg n/c
12 Vdd n/c