walter_J64bit Posted March 28, 2023 Share Posted March 28, 2023 (edited) My 50 pin scsi hard drive's, I think there are dead. I was going to try them out with my Spectre GCR but anyway. Edited March 28, 2023 by walter_J64bit Quote Link to comment Share on other sites More sharing options...
TGB1718 Posted March 28, 2023 Share Posted March 28, 2023 50 Pin SCSI drives are really hard to get these days, I've had 2 die recently just due to age. I bought a 4.5GB 68 pin SCSI drive and used this adaptor that only cost a few pounds. https://www.ebay.co.uk/itm/134343708867? Works a treat with my STE and STM Quote Link to comment Share on other sites More sharing options...
djglish Posted March 28, 2023 Share Posted March 28, 2023 There are a number of interesting alternatives to SCSI drives now. There is a ZuluSCSI board that plugs into the SCSI card and lets you use a SD card or there are ACSI2SD adapters that plug directly into the ACSI port on the back of the ST and let you use a SD card. Both of these alternatives will probably be less expensive than trying to find a working SCSI drive. I'm thinking of replacing an old SCSI drive (105mb) in a case that I have with the ZuluSCSI board. The case also houses a 105mb Syqyest drive, a CDRW drive and a tape backup drive (all SCSI). The main 105mb drive still works but it isn't formatted as a boot drive anymore. The cool thing about the Zulu board is that I could mount it so that I can switch out the SD card. Quote Link to comment Share on other sites More sharing options...
TGB1718 Posted March 29, 2023 Share Posted March 29, 2023 10 hours ago, djglish said: Both of these alternatives will probably be less expensive than trying to find a working SCSI drive. Not necessarily, I paid £4.99 for the 4.5GB drive and a total of £8.19 including postage off Ebay last year. I already had a number of those adaptors from an old PC that used a SCSI RAID system, even so, they can be found at at reasonable prices Quote Link to comment Share on other sites More sharing options...
Wayneb123 Posted April 10, 2023 Share Posted April 10, 2023 What kind of speeds do you get with a ZuluSCSI vs. a real hard drive? Quote Link to comment Share on other sites More sharing options...
TGB1718 Posted April 10, 2023 Share Posted April 10, 2023 3 minutes ago, Wayneb123 said: What kind of speeds do you get with a ZuluSCSI vs. a real hard drive? Although ZuluSCSI has a nice bandwidth, I think the limitation is the DMA chip in the ST itself. Other threads seem to say around 2MB/s is somewhere near the max throughput. Remember the ST was designed early in the SCSI life (Shugart drives with the 2 edge connectors) so the read/write of those early drives was relatively slow Quote Link to comment Share on other sites More sharing options...
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