HP 3330B Software Manual page 4

This configures the card to operate with a base address of 2C0, PC II operation,
IRQ 5 and no DMA. Install the card in a free ISA bus slot.
Drivers must be installed for this card. Drivers can be obtained from the National
Instruments website.
I used version 2.6 from www.ni.com
The drivers must be installed. The following line is added to the config.sys file:
DEVICE = C:\GPIB-PC\GPIB.COM
The system is then re-booted.
From the GPIB-PC directory run IBCONF. This is an interface board
configuration utility.
Addjust the settings to like these shown below:
Scroll down and finish the settings: