HP Z Series User Manual

Table 7-1 POST numeric codes and text messages (continued)
Control panel message Description Recommended action
3F1–Hard Disk 1 Error Hard disk 1 error. 1. Check and/or replace cables.
2. Clear CMOS.
3. Replace the hard disk drive.
3F2–Hard Disk 2 Error Hard disk 2 error. 1. Check and/or replace cables.
2. Clear CMOS.
3. Replace the hard disk drive.
400-Serial Port A Address Conflict
Detected
Both external and internal serial ports
are assigned to the same resources.
1. Remove any serial port expansion
cards.
2. Clear CMOS.
3. Reconfigure card resources and/or
run Computer Setup or Windows
utilities.
401-Serial Port B Address Conflict
Detected
Both external and internal serial ports
are assigned to the same resources.
1. Remove any serial port expansion
cards.
2. Clear CMOS.
3. Reconfigure card resources and/or
run Computer Setup or Windows
utilities.
402-Serial Port C Address Conflict
Detected
Both external and internal serial ports
are assigned to the same resources.
1. Remove any serial port expansion
cards.
2. Clear CMOS.
3. Reconfigure card resources and/or
run Computer Setup or Windows
utilities.
403-Serial Port D Address Conflict
Detected
Both external and internal serial ports
are assigned to the same resources.
1. Remove any serial port expansion
cards.
2. Clear CMOS.
3. Reconfigure card resources and/or
run Computer Setup or Windows
utilities.
419-Out of Memory Space for Option
ROMs
Recently added PCI expansion card
contains an option ROM too large to
download during POST.
If a PCI expansion card was recently
added, remove it to see if the problem
remains.
41A-Front USB1/USB2 Not Connected Front USB cable has been detached or
unseated from system board.
Reconnect or replace front USB cable.
41B-Device in PCI Express Slot Failed To
Initialize
There is an incompatibility or problem
with a PCIe device and the system or
PCIe link could not be configured to a
valid bus width or speed.
Try rebooting the system. If the error
reoccurs, the device may not work with
this system
43A-USB Type-C I2C Not Connected Cable is required between I2C on card
and USB-C on the system board.
Install cable between I2C on card and
USB-C on the system board.
43B-More Than One USB type-C Cards
Are Installed
More than one USB type-C card is
installed.
Remove USB type-C card so only one is
installed.
POST numeric codes and text messages 79

HP Z Series Specifications

General

Series	Z Series
Category	Desktop
Processor	Intel Xeon or Intel Core (depending on the specific model)
Operating System	Windows 10 Pro or Windows 11 Pro
Storage	SSD or HDD options, up to multiple TB
Graphics	NVIDIA Quadro or AMD Radeon Pro
Expansion Slots	Multiple PCIe slots
Ports	USB, DisplayPort, HDMI
Form Factor	Tower
Memory	Up to 256 GB DDR4 ECC or non-ECC SDRAM (depending on the specific model)
Power Supply	Various wattage options, typically 500W to 1000W (depending on the specific model)