Tested on one of older computers that was crashing at game startup with -diag:
Log of A8 Engine 8.20.0 run at Fri Sep 30 10:38:09 2011
User on Windows NT/2000/XP version 5.1 Build 2600
Options -diag
App: E:\test\1dotT-1.0.1\main.exe in E:\test\1dotT-1.0.1\
Author: Free Version
MM mixer opened
DSOUND device opened
DI interface opened
Start Window opened(c) Conitec - www.3dgamestudio.com
A8 Engine - Free Edition V8.20.0 - Apr 17 2011
Mouse found
Realtek AC97 Audio opened
Intel(R) 82845G/GL/GE/PE/GV Graphics Controller old device 13f9 detected
3D Device is not DirectX 9 compatible!
D3D device Intel(R) 82845G/GL/GE/PE/GV Graphics Controller 13f9 selected.
Compiling _MAIN.C - [Esc] to abort............
Running _MAIN.C.
Main started at 2.611
D3D_Init Window: 800x600 -> Window: 1x800x600x32
Video memory found: 41 MB
D3D_Resize Window: 716x537 -> Window: 1x716x537x32
def_startup started
Main loop at 3.217....
1st frame with 41 MB at 3.220
LevelInit at 3.244
25 entities 0 cameras 1 lights 0 sounds 0 paths
5 lmaps 4 textures 145 meshes 6317 faces...ok
LevelReady at 3.722
So, indeed, a bit outside the range of supported hardware.
Is there a way to make these run with A8 engine, or separate distribution of earlier (I'm certain that A5 and A6 projects did run good on similar specs) engine version is needed?