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I am confused, are you saying that have another working system with "H" ROMs that the VidRom does work in?   

Sounds like an issue with the VSROM to me. If you are switching from the ScreenMod(3A) ROMs to H Roms, then using the correct VSROM (non-ScreenMod) is mandatory.  Where did you get the VSROM, how do you know that the VSROM you are using is good? Rick

PhoneNet was designed to use existing building wiring ( Cat3 ).  I have run LocalTalk over Cat5e cables for decades, I even use standard Cat5e Ethernet (RJ45) jacks.  Regular phone patch cords (RJ11) will plug-in and work fine with the RJ45 in the wall to connect the Phonenet adapters.  Only...

There is an extra grove on the connector to indicate pin 1. Rick

Yes, on a 2/10 you should be able to use the internal Widget parallel cable.  Be careful, this cable does not have a mark to indicate pin 1 and the connector is not always keyed, so it's easy to connect it backwards. Rick   

Do you have the parallel cable plugged into the par. port on the back of the Lisa? Many Lisa's with the Sun20 drive have the parallel ribbon cable going out the back of the system to the external par port.  If that is not plugged in, the system will not "see" the HD. Rick

Correct, this is a the Lisa power button and kb jack assembly.  Someone will want it.

Does your motherboard have an "overdrive" socket? I thought these chips required this socket.

Read this and all your questions will be answered: http://www.applefool.com/se30/ Rick

OK, my guess is that is a US spec ( ~120V ) system that was used in another country with different power ( ~220V ?? ).  The wires went to/from this added internal power converter. thanks, Rick 

There is more going on here than those extra wires, what is the vertical mounted black box opposite of the analog board?  Seems like a lot of hacks are in this system.. Rick

Also the plus has a boot issue with some SCSI controllers, a solution is to cut pin 40 (RST) on the flat ribbon cable : ROM boot code problems In the process of looking for a bootable SCSI device, the boot code issues a SCSI bus reset before each attempt to read block 0 from a device. If the...

Here is a little more information from Apple Technote DV14 dated July 1,1987: "On the Macintosh SE and II, there is additional hardware support for the SCSI bus transfers in pseudo-DMA mode. The hardware makes it possible to handshake the data in Blind mode so that the Blind mode is safe for...

There is a SCSI issue with accelerated Macintosh Plus models, "blind" SCSI transfers fail due to the "blind" mode being heavily timing dependent on these models.   My guess is that your spinning drive's driver most likely has  "blind transfers" disabled,  and your SCSI2SD is formatted using a...

Yes, the IIc serial ports (printer and modem)  are RS-232 using a 5 pin DIN connector.

I can vouch for using A2server, as NJRoadfan said it is not just for Apple 2's and is a great solution for connecting older Macs. You may also want to look at MaciPpi.  It is another great pre-configured Netatalk solution.  

The card in slot 1 is a parallel printer adapter.  On the end of the attached cable is a 36 pin Centronics (Amp) connector. It's understandable that is can be confused with a SCSI cable, the common connector for SCSI is a 50 pin version of this same style Amp. connector.  The construction of the...

I have a AEHD+, my opinion is that they are not rare.  While it does support Macintosh 1.44 disks, the main reason to have one back in the day was for compatiblilty with PC formatted disks.  Using AEHD+ you can not boot from a 1.44 disk on a older non-FDHD mac.    I also have a couple of...

D1 looks like a surface mount LED to me, does is light up?

Your missing an option:   ADTPro Virtual Drive