Lab #2
 
1) hardware
1st card is  0:9.0  S3 Trio 64 V+ PCI
2nd card is  1:0.0  Riva 128 AGP
 
2) vbios 
Then 2 cards are initialized.
 
3) setpci -s 1:0.0 command=3
 
4) insmod svgalib_helper
    module is loaded
5) check config files
file /etc/vga/libvga.config.0 :
pcistart 0 9.0
include /etc/vga/libvga.config.common
chipset S3
HorizSync 31.5 35.1
VertRefresh 50 70
 
file /etc/vga/libvga.config.1
pcistart 1 0
secondary
novccontrol
include /etc/vga/libvga.config.common
chipset NV3
HorizSync 31.5 35.1
VertRefresh 50 70
 
6) in user 1
export SVGALIB_CARD=0
 use 1st card
./vgatest 
  then select mode 17, it works
  press a key to quit
7) in user 2
export SVGALIB_CARD=1
 use 2nd card
./vgatest 
  then select mode 17, it works
  don't quit
 
8) switch to user 1 again, and run
  ./vgatest
   select mode 17
  Then we get 2 monitors working!!!
 
 
 

 

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