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The South Vintage hard disks (again)

Covers: Oklahoma, Arkansas, Louisiana, Mississippi, Kentucky, Tennessee, Alabama, Georgia, North Carolina, South Carolina and West Viriginia.
mark0x01 said:
I have a couple of Teac Hdd's in a box somewhere, a 5 & 10Mb.
I worked for the distributor here, and they sold far more floppy's than hdd's or tape drives.
I also have an MT-2ST and a hdd/tape drive combo.
Click to expand...
I would be extremely interested in both Teac drives and potentially the tape combo. I've sent you a DM.
 
The Teac hard drives finally turned up in a box with a few DEC core memory boards.

Here are photo's of the Teac SD-510 10Mb and SD-540 40Mb
They both have stepper motor locking, with the SD-510 being unusual in that the stepper only locks in one location, off the end of the data cylinders.
 

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mark0x01 said:
The Teac hard drives finally turned up in a box with a few DEC core memory boards.

Here are photo's of the Teac SD-510 10Mb and SD-540 40Mb
They both have stepper motor locking, with the SD-510 being unusual in that the stepper only locks in one location, off the end of the data cylinders.
Click to expand...
Interesting! I know a gentleman with an SD-510 but I don't believe his lock looks like that. I also personally have an SD-540-10-U but it looks somewhat different than that SD-540. It also is very intermittent.

If you're ever interested in selling them, I would be more than happy to pay the high shipping cost and some amount for the drives!
 
I have a bunch of these older drives. Two Seagate ST-251's, one is in near perfect condition with about 2k bytes bad sectors (I think they are the original ones at manufacture) tested with Spinrite about a month ago. The other is functionally good but has new bad sectors with data loss. I also have a Shugart SA-604, Tandon TM503 (marked test ok in 1997), Miniscribe 6053, Seagate ST-412, and a Micropolis 1335. I will get a list made of the rest of them today. (also have a box of controller cards). The plan was to re-test them all, then post on here for sale (I sold 6 ST-251's locally recently), but I haven't got to them yet.
 
I would be very interested in that Shugart SA-604. I collect the "weirdos" of the hard drive world from this era. I'll send you a DM - Functionality is not an issue for any of them.
 
Adding to the list.

(3) Miniscribe 3438, (1) Miniscribe 3650, (2) Mitsubishi MR535-U00, (2) Seagate ST-225, (1) Seagate ST-250R, (1) Seagate ST-277R, (1) Teac SD-510. (1) Tandon TM-252

(1) Conner CP344, (1) Miniscribe 8425F, (1) Miniscribe 8438, (1) Seagate ST-125, (2) Seagate ST-138, (4) Seagate ST-157A-1, (1) Western Digital 93044-A00-10M
 
bburley said:
Adding to the list.

(3) Miniscribe 3438, (1) Miniscribe 3650, (2) Mitsubishi MR535-U00, (2) Seagate ST-225, (1) Seagate ST-250R, (1) Seagate ST-277R, (1) Teac SD-510. (1) Tandon TM-252

(1) Conner CP344, (1) Miniscribe 8425F, (1) Miniscribe 8438, (1) Seagate ST-125, (2) Seagate ST-138, (4) Seagate ST-157A-1, (1) Western Digital 93044-A00-10M
Click to expand...
I am interested in the miniscribe 3650. How much will you be asking for it?
 
I am restoring a SUN MCA3000 engine analyzer and in the day SUN offered a HD (miniscribe 3650) as an option to using 2 3.5" floppys as input for programming. I am not savy enough to know how it was integrated into the system. What I do know is that I have a floppy/HD card in the machine and a flat ribbon cable connection for the HD. From what I have seen, the miniscribe has a card edge connection and not a ribbon cable connection. Can you shed any light on that for me? Thanks
 
dduesing said:
What I do know is that I have a floppy/HD card in the machine and a flat ribbon cable connection for the HD.
Click to expand...
That HD interface (a single ribbon cable) sounds like it could be IDE or SCSI. A photo of the card is required. Make-model information may be enough.

dduesing said:
From what I have seen, the miniscribe has a card edge connection and not a ribbon cable connection. Can you shed any light on that for me? Thanks
Click to expand...
The interface that the Miniscribe 3650 uses is a different standard, a standard that does use a type of ribbon cable, which at the drive end, uses large connectors as shown in the Seagate ST-225 photo at [here].
A very common name for the interface, although inappropriate, is 'MFM'. It is also known as 'ST506/ST412'.
Two cables are used per the example diagram at [here].

This all sounds like it needs to go into a dedicated thread (i.e. not hijacking this thread). I can see possible assistance in controller acquisition (if required), connection, low-level formatting, etc.
 
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