Exidy S-100 Expansion cards questions

Moving forward on setting up my collection and I was taking a look at an Exidy Sorcerer S-100 Expansion box I had received long ago. I wondered if anyone could help with info on the cards I found inside. The first is clearly a memory card but not familiar with the company. The second is a disk controller and the third is a parallel/rs232 interface. I haven't found any doc on any of them yet. If you have doc or info on the cards or anything else about the expansion box please let me know. Haven't tested or done any more with it yet other than open it up and look around inside. Had this for ages but only now had room to take it out of the box. 1) 64K Static Memory card copyright 1981 Memory Merchant 2) Double Disk controller by Jade Computer (Doesn't seem to match the image on the doc I found on Bitsavers for their Double D controller but suspect it is one) 3) Interfacer II Triple Parallel / RS232 Serial I/O from CompuPro - Godbout Links to pics below. http://www.trailingedge.com/images/ExidyS100-1.jpg http://www.trailingedge.com/images/ExidyS100-2.jpg http://www.trailingedge.com/images/ExidyS100-3.jpg http://www.trailingedge.com/images/ExidyS100-4.jpg http://www.trailingedge.com/images/ExidyS100-5.jpg http://www.trailingedge.com/images/ExidyS100-6.jpg http://www.trailingedge.com/images/ExidyS100-7.jpg http://www.trailingedge.com/images/ExidyS100-8.jpg http://www.trailingedge.com/images/ExidyS100-9.jpg Thanks. David Williams www.trailingedge.com