Table 8.9-3.
9 Pin Serial Connector
==============================================================================
Signal Names and Description
Pin Number
------------------------------------------------------------------------------
Carrier Detect (CD)
1
Receive Data (RX)
2
Transmit Data (TX)
3
Data Terminal Ready (DTR)
4
Signal Ground (GND)
5
Data Set Ready (DSR)
6
Request To Send (RTS)
7
Clear To Send (CTS)
8
Ring Indicator (RI)
9
==============================================================================
Chapter 8.10 Diskette Drive Speed Adjustment Procedure
This step by step procedure provides an orderly, easy to follow method of
performing any required speed adjustment to the 5 1/4 inch diskette drive(s)
contained in the COMPAQ Portable, COMPAQ PLUS, or the COMPAQ PORTABLE 286
Personal Computers.
Read this entire procedure before you begin any work.
After you begin the adjustment procedure, be sure to complete each step before
beginning the next one.
To complete the adjustment procedures, you need the following equipment:
o
All tools required to service COMPAQ Portable, COMPAQ PLUS, and COMPAQ
PORTABLE 286 Personal Computers.
For a listing of these tools, see the
"Foreword" of this guide.
o
COMPAQ DIAGNOSTICS Diskette latest version.
o
Diskette drive signal extension cable (PN 100546-001).
o
Diskette drive power extension cable (PN 100545-001).
Preliminary Steps
1.
Be sure that you have a clean, dry, nonconductive surface on which to
work.
2.
Remove the diskette drive you wish to test from the system unit and lay it
on its side, next to the computer.
See Chapter 7, "Removal and
Replacement Procedures," for information.
3.
Connect the original power cable on the diskette drive and the diskette