I have had a look at the cards and have found the following.
3 x memory cards. Not sure what size memory chips it has on them
2 x disk drive cards. The two cards go to one 37 pin 'D Type' on the back panel
1 x main board with the c8080a processor on it
1 x IO card, at least it looks like an IO card. It has 'Mits 88 UIO' on the card.
1 x monitor card ( I think) which goes to a 25 way 'D Type' connector on the back panel.
More Information about the Altair 8800 can be found at :
Date: 1st October 1977
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The Home Brew Club - Altair 8800 - The Screensavers