HP Engage Flex Pro-C G2 Maintenance and Service Guide - Page 42

Serial port A, A, B, if available C, and D

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Table 4-3 Powered serial ports (continued) Item Powered serial ports (B) COM 2 Yes Yes (C) COM 3 Yes Yes (D) COM 4 Yes Yes (E) COM 5 Yes Yes (F) COM 6 Yes Yes The serial ports can be configured using the Computer F10 Setup utility. Under the Onboard Devices menu, you are given the option to select the following three settings for each individual serial port (port A, B, if available C, and D): ● Standard ● 5 V on pins 1 and 9 ● 12 V on pins 1 and 9 NOTE: To access the Computer Setup (F10) Utility, restart the computer and press the F10 key as soon as the HP logo screen is displayed (before the computer boots to the operating system). Serial port A To remove serial port A, use this procedure and illustration. Before removing serial port A, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 18). 2. Remove the access panel (see Access panel on page 19). Remove serial port A: 1. Remove the two hex screws (1) from the back of the computer. 2. Disconnect the cable from the COMA connector (2) on the system board. 36 Chapter 4 Removal and replacement procedures

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Table 4-3
Powered serial ports
(continued)
Item
Powered serial ports
(B)
COM 2
Yes
Yes
(C)
COM 3
Yes
Yes
(D)
COM 4
Yes
Yes
(E)
COM 5
Yes
Yes
(F)
COM 6
Yes
Yes
The serial ports can be configured using the Computer F10 Setup utility. Under the Onboard Devices
menu, you are given the option to select the following three settings for each individual serial port (port
A, B, if available C, and D):
●
Standard
●
5 V on pins 1 and 9
●
12 V on pins 1 and 9
NOTE:
To access the Computer Setup (F10) Utility, restart the computer and press the
F10
key as soon
as the HP logo screen is displayed (before the computer boots to the operating system).
Serial port A
To remove serial port A, use this procedure and illustration.
Before removing serial port A, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
18
).
2.
Remove the access panel (see
Access panel
on page
19
).
Remove serial port A:
1.
Remove the two hex screws
(1)
from the back of the computer.
2.
Disconnect the cable from the COMA connector
(2)
on the system board.
36
Chapter 4
Removal and replacement procedures