Correct. The first Intel graphics chipset was the i740 AGP card, and the first "integrated graphics chipset" was the i810. (The i740 is, to this day, Intel's only add-in graphics chipset.) Before that, Intel used third-party graphics chipsets on the motherboard. (And Intel has *NEVER* made a "server-class" motherboard that used Intel-branded integrated graphics. Even the modern server boards use an ATI or some other third-party graphics chipset.)
i740 was really meant to be the launching point for AGP. It was developed to make sure that there would be SOMETHING available for the (then-new) AGP bus, even if third-party graphics companies avoided the bus.
And one side bit: The L440GX board used Intel's workstation 440GX chipset, which was just a beefed up 440BX chipset. It had an AGP interface on the chipset, but a bridge chip was used to turn the AGP interface into a 66 MHz PCI interface, so the L440GX had two 66 MHz PCI slots in addition to its regular complement of 33 MHz PCI slots. (I worked for Intel's server division when the L440GX was a "current" board, and I was the lead "Product Support Engineer" for that board, plus other boards.) I loved the L440GX, and a friend/former coworker still has one running in an Intel "Astor II" chassis (my favorite case ever) as a MUD/MUX server, that has been running continuously since 1999. (Although it was turned off twice for two moves.) It's current uptime is... (Telnetting in, since I have an admin account on it,) 3 years, 2 months, 17 days, 20 hours, 5 minutes, 33 seconds, *BEEP*.) Yes, it's running Linux. Checking the calendar, yup. That's when he moved to his current house.