Hi Josh. Using a 256mb sandisk SD card here. No problems initializing and reading from the drive. Did not try writing yet, as I mostly upload binary code directly into ram using the monitor for my code experiments. On Oct 31, 2014 2:06 PM, "Crusty OMO" <[email protected]> wrote:
> Group, > > To add to Harold's post, we've been directly emailing each other, trying > all the things I can think of. Here's what I know thus far. > > All the SD Cards are talking back but at a 1.5V range, not the 2.5V that I > measure on my board. > He verified there are no shorts on the SD Data out to the 74LS299 > He replaced the 74LS299 > > > I'm awaiting some (inexpensive) 1G SD Cards from ebay, when they come, > I'll try them on my system and if working, send one to Harold. But while > we are waiting, it would be interesting to hear back from other builders on > their experiences with the SD card. > > Cheers, > Josh Bensadon > > > > > Date: Thu, 30 Oct 2014 05:40:18 -0700 > > From: [email protected] > > To: [email protected] > > Subject: [N8VEM-S100:5471] Problem with ALTAIR-IMSAI 8080 CPU Board > > > > > > I just finished assembly of the S-100 8080 CPU board for my ALTAIR 8800. > The board appears to run great except that I can't get the SD card to > initialize! I have tried several different makes of cards from 256Mb to 1Gb > but no luck. > > > > Any ideas from those who have built this board? Any feedback would be > great. > > > > Thanks, > > > > Harold > > > > -- > > You received this message because you are subscribed to the Google > Groups "N8VEM-S100" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected]. > > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "N8VEM-S100" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
