IBM PC/2 25 Hardware Maintenance Reference page 17

5.2.1 Diskette Diagnostic
This menu allows you to test the diskette drives and the control logic on
the system board.
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¦ TESTING -
¦ X DISKETTE DRIVE(S)
¦ DISKETTE DIAGNOSTIC MENU
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¦ OPTION
¦ 1 - SEEK TEST
¦ 2 - WRITE, READ, COMPARE TEST
¦ 3 - VERIFY DISKETTE TEST
¦ 4 - SPEED TEST
¦ 5 - DISKETTE CHANGE TEST
¦ 9 - RETURN TO CONTROL PROGRAM
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1 - SEEK TEST: Tests the basic diskette seek operations, including
sequential and random diskette-drive head positioning.
2 - WRITE, READ, COMPARE TEST:
including a series of random seeks, each seek being followed by a write,
read, and comparison of data.
3 - VERIFY DISKETTE TEST:
diskette.
4 - SPEED TEST: Measures the time required for one revolution of the
diskette.
5 - DISKETTE CHANGE TEST:
write-protect feature as you remove and insert a diskette.
9 - RETURN TO CONTROL PROGRAM:
HMR Diagnostics for Non Micro Channel
Diskette Diagnostic
Tests the basic diskette operations,
Verifies data-accessing and each sector on the
Tests the diskette change signal and
Returns to the System Checkout menu.
¦ Copyright IBM Corp. 1990
5.2.1 - 1
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