A5/A3™ Service Manual 046-001141-00 5 - 75
Repair and Troubleshooting Software Update and Software Configuration Activation
5.6 Software Update and Software Configuration 
Activation
NOTE: Software upgrade may by required when replacing the CPU Board (P/N: 
801-0631-00026-00), the Ventilator Control Board (P/N: 801-0631-
00027-00), the Power Board (P/N: 801-0631-00025-00) or the Fresh 
Flow Sensor Board (P/N: 801-0631-00040-00).
1. Connect the Ethernet port of the PC to the Ethernet port of the A5/A3 using the Ethernet 
Crossover Cable.
2. Before running Mindray Patient Monitor System Update Tool, verify that the IP address of the PC 
is set to 192.168.23.1., and the Subnet mask is set to 255.255.255.0. To check and set the IP 
address on the PC follow these instructions.
1. On the PC click Start, Settings and then Network Connections
2. Right click Local Area Connection and then left click Properties
3. Scroll down to Internet Protocol (TCP/IP), click on it and then click Properties
4. Click the radio button for "Use the following IP address:" Set the IP address and Subnet mask 
and then click OK.