Macintosh ED Photos

[Scott Baret]

Here are some photos of the Macintosh ED I received in the mail yesterday. These are just a starter set; I am planning on taking a better set later.

First, the front of the Mac:

A closeup of the nameplate:

The rear bucket. Note the Mac 512K tag:

The serial sticker, indicating a manufacture in February 1988:

This IS a platinum Mac, but is a bit yellowed.

 

[mactjaap]

I glad the ED arrived in the US. Took a long time....

I'm posting some pictures of mine. It is also a Platinum with serial number C8071DWM0001WP.

The back is different. Mine has a SCSI connector in the battery holder.

Here are some pictures:

 

[krye]

Macintosh ED? All the years I've been collecting Classic Macs I've never seen an ED. I jus Googled it and I guess it's basically a 512Ke or a Plus Special Edition for "EDucation".

 

[jsarchibald]

That explains the Mac 512k I got recently that had a sticker on the back with model M0001ED and made in 1987, but with a 512k badge on the rear case. Mine however has no text on the front, unlike the 'Macintosh ED' silkscreen you both seem to have.

 

[Scott Baret]

JS, does your machine look like the Plus without the name (that is, it has a recessed Apple logo instead of the square) and, just as importantly, is yours platinum? (Platinum, nameless, Plus-style 512Kes all seem to have the ED badge but there seem to be very few of them).

 

[jsarchibald]

Scott, the machine looks like a Plus, but no name on the front, just the Apple badge (ie. not as per 128K/512K). It is Platinum in color, but the serial number is under the screen as per the earlier compacts, not on the rear case as the one above is. It also has a 512K rear case, with the 512K badge, but the model number is definitely M0001ED.

 

[Mac128]

http://homepage.mac.com/chinesemac/earlymacs/index.html#Plus_hardware

 

[jsarchibald]

Thanks! Looks like I have the second one.

 

[jsarchibald]

I have attached photos below of my ED. As if to prove its' ED roots, it has engraving behind the carry handle for a college.

I note that the serial number is from 1987 (a year before the ones above) and ends with M0001ED, not WP (like the 512Ks did). Hmmm.

Also, I have a Mac with a serial number ending in M0001P, not WP, and the rear case badge says 128K, but the sticker on the rear says M0001WP and 512K, and it has the 512K motherboard. I am aware there were upgrades, but I never heard that the case was left and the sticker was swapped, but I've heard the entire rear case was exchanged so you couldn't tell it was a 128K originally. I wouldn't be asking, but the sticker does not match the case it is on.

 

[Mac128]

Not following what you are saying exactly ... Are there questions in your post?

The "official" Apple upgrade from 128K to 512k came with a new rear case badge and agency label, in addition to the motherboard. In some cases the only way to tell you had an upgrade done was to look at the serial number. If you look at the link I provided you will see "P" is the International code, meaning it should have 240V PSU. Whereever you see a "P" that should be the case unless the analogue board has been replaced, e.g. P, WP, AP. This was eventually replaced with D and ED with the 512Ke & 512K/800 (Intl.).

Nice Platinum ED by the way. I love how the rear case badge is still olive-brown colored and does not match anything else on the Platinum Compacts (the keyboard had darker gray keys, along with other similar accents).

 

[jsarchibald]

I was wondering if anyone has seen a compact with a 128K serial, a 128K badge, but a 512K sticker and motherboard. I would have expected the rear badge to be replaced to read 512K as well?

 

[Mac128]

I would have expected the rear badge to be replaced to read 512K as well?

I would have expected the 128K Badge to have been replaced as well. But who knows what happened. Perhaps the original user asked for it not to be replaced, or kept the 128K Badge and later replaced it themselves on a whim or for nostalgia, or whoever sold it swapped the badge in an attempt to get more money for it (the label being virtually impossible to replace at this point). Or perhaps the tech was lazy and just performed the minimum required by law - switching out the agency label. Yours is obviously better than most as I have seen some where the new label was pasted directly over the original label. To answer your question, I have never seen this combination, and there is no "official" reason I can think of that would account for this configuration. If such a thing does exist elsewhere, it is stricly serendipitous.

Just to clarify - the badge reads "Macintosh 128K", NOT just "Macintosh", correct?

 

[jsarchibald]

Yep, it says 'Macintosh 128k'.

 

[macman142]

Thanks for posting those pictures jsarchibald. My Macintosh ED would have (once) been identical to yours. I only have the front bezel now (as I must have stripped it for parts back in the day when I was younger and stupid-er).

Now I know what the rest of it would have looked like once... Would love to get another one although they're quite hard to come by it seems.

 

[jsarchibald]

Was going through my collection, cleaning and sorting and came across another ED! This is a beige one, as opposed to the Platinum one further up.

It's not in as good a condition, and comes up with a 02FFFF sad mac (anyone know what this means?).

I think between us all, we now have all 4 types of ED. Good to know we're keeping the Mac alive.

 

[Trash80toHP_Mini]

SB, that's a fabulous acquisition for a trooper with the sig: "Education is life."

Congrats! :approve:

Wonderful documentation posted here, folks!

 

[macman142]

Whilst searching my compact Mac collection for the back case "bucket" off my Platinum Macintosh ED, I also came across the fact that I have a beige Macintosh 512k ED exactly the same as yours Jason. It's the only one I've got like it too.

I was under the impression there were 4 types/variations of Macintosh ED anyway, so would have to agree.

PS. I didn't find the back half of my Platinum Macintosh 512k-based ED (it remains just a front bezel)...

 

[bibilit]

It's not in as good a condition, and comes up with a 02FFFF sad mac (anyone know what this means?).

This numeric code is in two parts:

The first two characters are the class code. The class code tells what part of the diagnostic program found the error.

The second four are the sub code. The sub class code tells what the error was. In the case of a bad RAM chip, the sub class identifies the bad chip (this was very helpful to homegrown upgraders).

Class Code Sub Code

1=ROM test failed Meaningless

2=Memory test--bus subtest identifies bad chips

3=Memory test--byte write identifies bad chips

4=Memory test--Mod3 test identifies bad chips

5=Memory test--address uniqueness identifies bad chips

Single Chip Identification

Data Bit Location Sub Code Bits

0 F5 0001

1 F6 0002

2 F7 0004

3 F8 0008

4 F9 0010

5 F10 0020

6 F11 0040

7 F12 0080

8 G5 0100

9 G6 0200

10 G7 0400

11 G8 0800

12 G9 1000

13 G10 2000

14 G11 4000

15 G12 8000

Class Code Sub Code Sub Code Meaning

F=Exception 0001 Bus error

0002 Address error

0003 Illegal Instruction

0004 Zero divide

0005 Check instruction

0006 Traps instruction

0007 Privilege violation

0008 Trace

0009 Line 1010

000A Line 1111

000B Other exception

000C Nothing

000D NMI (normal indication)

0064 Couldn't read System File into memor

As far as i can understand, if think this is bad memory chip related.