Can you post a picture somewhere? Sent from my iPhone
> On Mar 26, 2023, at 13:20, Paul Berger via cctalk <cctalk@classiccmp.org> > wrote: > > I have seen lots of laptop drives that would fit a 50 pin connector that is > about 2mm pitch Looking at the back of the drive from the left there are 44 > pins in a group then 2 pins missing and the remaining 4 are for selecting > master and slave. > > Paul. > >> On 2023-03-26 4:33 p.m., Steve Lewis via cctalk wrote: >> Is anyone familiar with the 50-pin IDE interface, which I think is called >> ATA-3? It is from around 1997-2002. Normally IDE is 40-pin, or in >> laptops might be a 44-pin. >> >> But in a COMPAQ Presario 1220, I've come across its hard drive that is >> using this 50-pin interface (two rows of 25-pin that are quite >> small/tightly spaced - moreso than even PCMCIA). >> >> I believe it is different (electrically) than the 1.8" 50-pin interface. I >> ordered a CF-to-50-pin adapter that is intended for those 1.8" drives, and >> it won't work on this ATA-2 port (system won't boot with it inserted). >> However, all my CF cards are larger than 2GB - so I'm not sure if that was >> the issue (don't think so, I think even with 8GB or larger it would still >> at least try to boot). >> >> >> The 2GB drive in this Presario (with the "weird' 50-pin IDE) contains >> Windows ME and Office 2000. That's cute, but I'm not so interested in that >> - I was hoping to image that drive for archive, then install something else >> (OS2). But I can't find any "ATA-3 to normal 40-pin IDE" adapter. >> >> I think the "6 extra pins" on this 50-pin (relative to normal 44-pin laptop >> drives of those days) -- 2 of those pins (5-6) aren't used (maybe a kind of >> key) and the 4 others (1-4) are vendor specific. So I may just be out of >> luck here in upgrading or replacing this drive with a more modern >> solution. But wanted to run it by the crew here before giving up. >> >> Thanks, >> >> -Steve / v*
