Back about July 2002, you wrote:
  Does anyone have any spare WD-1000, WD-1001,
 or related disk controllers, or documentation on them? 
I have a WD1002-SASI (TAN) controller card in unknown condition.
(The "TAN" is hand written, and is also written on a BIOS chip "Tan
5.0".)
I purchased it used about 20 years ago to attempt to add a Hard Drive to
a TI-99/4A, although I never actually started the project.
I also have a 534 page Western Digital Corp. June 1984 Storage
Management Products Handbook that includes data on the following
"Winchester Board Products":
  WD1000-05
  WD1001
  WD1002-05
  WD1002-MTB
  WD1002-SHD
  WD1002-WFT
  WD1002-WX2
The WD1002-SHD (at least) has data regarding the SASI port.
If interested, make me a serious offer, and include your ZIP-Code to
determine shipping.
Thanks.
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