Lack of Z - 400 serial port

Hello

I have a number of product Z-400 SG637UC #ABA

Just updated to the latest version of the BIOS, was 1.17, I think.

Manual maintenance and each user's guide I can find a reference to the serial port header (15-pin) construction which

My motherboard has.

However, I can't understand how to turn it on.  The security settings of the Bios do not list the serial port, and the Advanced Settings tab lists only the floppy drive and not the serial port.

Are the parties other than the header not installed on the motherboard on this particular product number?

Do not connect the pins of the rider 2 header and tell the BIOS the material is there?

PIN 12 of the 15-pin header is labeled 'detect the com' on page 168 of the Z-400 maintenance manual.  I do not think it is a standard pins for communications series name.  Is it being stretched up or down to activate the port?

I don't particularly want to spend money for the "2nd serial" material, when the first serial port is not working.

Thanks for any help.

PM

AP_M,

The Z400 has a 2 x 8 serial port header, you have found.  To access the serial port, one needs the HP, the PA716A Option kit serial port adapter.  This kit, described here, has a small PCB attached to a PCI card and cable to the PCB of the card mother Z400.  This PCB contains the RS232 serial port transceiver integrated circuit, so it is necessary to make the serial port work - a straight through cable from the motherboard to a will of connector serial port not working, to not try.

Option kit that pa716a can be ordered as an option Z420.  The kit is not listed for the Z400, but the Z400 (and many other HP computers) use the same kit.

To answer your technical questions:

-IIRC, Windows requires masking devices that are not accessible.  That's why the serial port does not appear in the device without this option installed kit Manager.

-12 axis, as you can imagine, is a "detect the com' which tells the system that the serial port kit is installed.  He is shot down (the Earth) when the cable attached to the motherboard.

-If you want to experiment and see if the serial port becomes active, turn off the Z400, then put a jumper between the P52 12 serial port connector pin and ground.  Soil is on pins 8 and 7.  (The pins are numbered with strange pins on one side (row) and evens on the other kind of pin 2 pin 1 opposite.)  To determine which line is even or odd, pin 16 is the last pin and the missing key on the 'same' line).

Then turn on the system.  After the Earth axis 12, the serial port should appear in the BIOS settings and certainly in the windows.

* I think this is how it works, I have tried for a long time. **

Does that answer your questions?

Tags: HP Desktops

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