Tandy 1000 Technical Reference Manual

Tandy 1000
(2) SKA method
Technical Reference Manual
(a) Connect the SKA referring to item 4-2-4 and set the FD PWR switch
to the PSA side.
(b) Start the spindle motor by key "5". (MaN indicator turns on) .
(c) Install a level disk.
(d) Execute drive select by key "0". (050 indicator turns on).
(e) Key in "CO" and confirm that the TRACK indication becomes "00".
(RECALIBRATE)
(f) Key in "CI". (SEEK TMAX)
(g) Key in "08". (RESOLUTION)
The calibration value of the level disk should be set previously in
the SKA.
(h) Confirm that the DATA indicator [I][I] (\) indicates the value
within the following range.
Innermost track resolution: 55\, Min.
(i) For a double sided FDD, depress key "4" and execute items (g) and (h)
for the side a head and the side I head respectively. The side is
changed alternately by a depression of "4" key. If the side I is
selected, SIDE I indicator of the SKA turns on.
(j) If the value in item (h) or (k) is out of the specified range, refer
to item (k) of "General method".
(k) Eject the level disk.
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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