wok-next diff linux/description.linux-agp.txt @ rev 20837
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author | Erkan Yilmaz <erkan@slitaz.org> |
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date | Sun Jun 17 19:28:49 2018 +0000 (2018-06-17) |
parents | 119e586fb823 |
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1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/linux/description.linux-agp.txt Sun Jun 17 19:28:49 2018 +0000 1.3 @@ -0,0 +1,56 @@ 1.4 +/dev/agpgart (AGP Support) 1.5 + 1.6 +AGP (Accelerated Graphics Port) is a bus system mainly used to connect graphics 1.7 +cards to the rest of the system. 1.8 + 1.9 +If you have an AGP system, it will be possible to use the AGP features of your 1.10 +3D rendering video card. This code acts as a sort of "AGP driver" for the 1.11 +motherboard's chipset. 1.12 + 1.13 +If you need more texture memory than you can get with the AGP GART 1.14 +(theoretically up to 256 MB, but in practice usually 64 or 128 MB due to Kernel 1.15 +allocation issues), you could use PCI accesses and have up to a couple gigs of 1.16 +texture space. 1.17 + 1.18 +Note that this is the only means to have X/GLX use write-combining with MTRR 1.19 +support on the AGP bus. Without it, OpenGL direct rendering will be a lot 1.20 +slower but still faster than PIO. 1.21 + 1.22 +You should use this module if you want to use GLX or DRI. 1.23 + 1.24 + * ali-agp: ALI chipset support. 1.25 + This module gives you AGP support for the GLX component of X on the 1.26 + following ALi chipsets. The supported chipsets include M1541, M1621, M1631, 1.27 + M1632, M1641,M1647,and M1651. For the ALi-chipset question, ALi suggests 1.28 + you refer to <http://www.ali.com.tw/>. 1.29 + * ati-agp: ATI chipset support. 1.30 + This module gives you AGP support for the GLX component of X on the ATI 1.31 + RadeonIGP family of chipsets. 1.32 + * amd-k7-agp: AMD Irongate, 761, and 762 chipset support. 1.33 + This module gives you AGP support for the GLX component of X on AMD 1.34 + Irongate, 761, and 762 chipsets. 1.35 + * amd64-agp: AMD Opteron/Athlon64 on-CPU GART support. 1.36 + This module gives you AGP support for the GLX component of X using the 1.37 + on-CPU northbridge of the AMD Athlon64/Opteron CPUs. You still need an 1.38 + external AGP bridge like the AMD 8151, VIA K8T400M, SiS755. It may also 1.39 + support other AGP bridges when loaded with agp_try_unsupported=1. 1.40 + * intel-agp, intel-gtt: Intel 440LX/BX/GX, I8xx and E7x05 chipset support. 1.41 + This module gives you AGP support for the GLX component of X on Intel 1.42 + 440LX/BX/GX, 815, 820, 830, 840, 845, 850, 860, 875, E7205 and E7505 1.43 + chipsets and full support for the 810, 815, 830M, 845G, 852GM, 855GM, 865G 1.44 + and I915 integrated graphics chipsets. 1.45 + * nvidia-agp: NVIDIA nForce/nForce2 chipset support. 1.46 + This module gives you AGP support for the GLX component of X on NVIDIA 1.47 + chipsets including nForce and nForce2. 1.48 + * sis-agp: SiS chipset support. 1.49 + This module gives you AGP support for the GLX component of X on Silicon 1.50 + Integrated Systems [SiS] chipsets. Note that 5591/5592 AGP chipsets are NOT 1.51 + supported. 1.52 + * sworks-agp: Serverworks LE/HE chipset support. 1.53 + See <http://www.serverworks.com/> for product descriptions and images. 1.54 + * via-agp: VIA chipset support. 1.55 + This module gives you AGP support for the GLX component of X on VIA 1.56 + MVP3/Apollo Pro chipsets. 1.57 + * efficeon-agp: Transmeta Efficeon support. 1.58 + This option gives you AGP support for the Transmeta Efficeon series 1.59 + processors with integrated northbridges.