IBM 5155  -  Inside Mine

Below is a photo of the inside of my IBM 5155.

So that you can see the cards, I removed the metal shield that normally covers the right half (right, as viewed from the front of the machine).

SLOT 1:  IBM CGA card
SLOT 2:  AST SixPakPlus    (extra RAM, RTC, serial port, parallel port, game port)    (added to machine after purchase)
SLOT 3:  IBM 5.25" diskette drive adapter
SLOT 4:  
SLOT 5:  
SLOT 6:  DTC 5150X hard disk controller    (added to machine after purchase)
SLOT 7:  
SLOT 8:          (slot 8 is not usable for many cards - see here)