These external SCSI enclosures and drives seem to work fine with my Plus:
>POWERUSER with an Apple logo'd 40MB Quantum ProDrive LPS 3.5" hdd, EPROM ©1990.
>MACBOTTOM SCSI by Personal Computer Peripherals Corp. with an Apple logo'd 40MB Quantum ProDrive LPS 3.5" hdd, EPROM ©1990.
>generic enclosure with a Maxtor 7290SR 3.5" hdd, unclear about the size (in "get info" the Size reads 58.7 MB on disk (61,581,312 bytes used).
>generic enclosure with a Seagate ST-296N 5.25" 85MB hdd (this thing is loud and old, I think its circa 1988).
You could always setup a Zip 100 MB drive to act as a hdd for your plus!
As a side note, I am attempting to fix an Apple Hard Disk 40SC with a 5.25" Quantum Q250 40MB -- see the video here of the horrible sound it makes when powered up:
http://youtu.be/TfZLLiu38rs
The power supply seems to be ok, it measures a steady +11.75v/+5.11v with the drive connected. Ideally I would like to replace it with a newer Quantum ProDrive ELS Internal 3.5 Inch HDD 160MB SCSI (Firmware ©1993), but I am having trouble getting my Plus to boot up and recognize it. I also tried all versions of Apple's Drive Setup 1.0.5-1.7.3 on a PowerMac 6100, but it says there is "no disk" at the SCSI address of the drive.
>POWERUSER with an Apple logo'd 40MB Quantum ProDrive LPS 3.5" hdd, EPROM ©1990.
>MACBOTTOM SCSI by Personal Computer Peripherals Corp. with an Apple logo'd 40MB Quantum ProDrive LPS 3.5" hdd, EPROM ©1990.
>generic enclosure with a Maxtor 7290SR 3.5" hdd, unclear about the size (in "get info" the Size reads 58.7 MB on disk (61,581,312 bytes used).
>generic enclosure with a Seagate ST-296N 5.25" 85MB hdd (this thing is loud and old, I think its circa 1988).
You could always setup a Zip 100 MB drive to act as a hdd for your plus!
As a side note, I am attempting to fix an Apple Hard Disk 40SC with a 5.25" Quantum Q250 40MB -- see the video here of the horrible sound it makes when powered up:
http://youtu.be/TfZLLiu38rs
The power supply seems to be ok, it measures a steady +11.75v/+5.11v with the drive connected. Ideally I would like to replace it with a newer Quantum ProDrive ELS Internal 3.5 Inch HDD 160MB SCSI (Firmware ©1993), but I am having trouble getting my Plus to boot up and recognize it. I also tried all versions of Apple's Drive Setup 1.0.5-1.7.3 on a PowerMac 6100, but it says there is "no disk" at the SCSI address of the drive.