Tandy 1000 Technical Reference Manual

Tandy 1000
Technical Reference Manual
(b) Clean the head at a suitable track position for 10 ~ 30 seconds,
approx. In order to avoid the concentration on a specific track,
it is a good way to make the head move between track 00 and the
innermost track during cleaning.
Note: The most appropriate cleaning time is different for each type of
cleaning disk used.
Excessively long cleaning time is not effective but has possibility
to accelerate the head wear.
(c) Remove the cleaning disk.
(2) SKA method
(a) Connect the SKA referring to item 4-2-4 and set the FO PWR switch to
the PSA side.
(b) Start the spindle motor by key "S". (MaN indicator turns on).
(c) Execute drive select by key "0". (OSO indicator turns on).
(d) Key in "CO" and confirm that the TRACK indication of the SKA becomes
"00". (RECALIBRATE)
(e) Install an appropriate cleaning disk. See item (l)-(a), "Notes".
(f) Key in "C6". (SEEK TEST)
(g) After 10 ~ 30 seconds, depress "F" key.
(h) Eject the cleaning disk.
- 4034 -

Tandy 1000 Specifications

General

Processor	Intel 8088
Processor Speed	4.77 MHz
RAM	128 KB (expandable to 640 KB)
Operating System	MS-DOS 2.11
Manufacturer	Tandy Corporation
Release Year	1984
Storage	Single or double 5.25" floppy disk drive (360 KB), optional hard drive
Sound	Tandy 3-voice sound
Ports	Parallel, Serial
Graphics	CGA (Color Graphics Adapter)
Graphics Modes	320x200, 640x200