Display mode information for VESA BIOSes
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show_vesa
Neutrino (x86 only)
None.
The show_vesa utility displays information for VESA BIOSes up to VESA 3. This information includes general information, such as the amount of video RAM, as well as details about each supported video mode. This information is sent to stdout.
Here's a sample of part of the output of show_vesa:
VESA Info Block VESA Signature : VESA VESA Version : 0300 OEM String Ptr : 0080:0100 OEM String : 3Dfx Interactive, Inc. Capabilities : 00000001 DAC width switchable to 8 bits per primary color Controller VGA compatible Normal RAMDAC operation No Hardware Stereoscopic Signaling support Stereo Signaling supported via external VESA stereo connector Video Mode Ptr : 0080:0117 Total Memory : 1000000 (16777216) VBE Software Revision : 0100 OEM Vendor Name Ptr : 0080:015B OEM Vendor Name String : Elpin Systems, Inc. OEM Product Name Ptr : 0080:016F OEM Product Name String : 3Dfx Banshee OEM Product Rev Ptr : 0080:017C OEM Revision String : Version 1.00 OEM Data : 3Dfx Interactive, Inc. DPMS Services available Virtual Screen Services available Total Number Of Video Modes found : 33 Mode : 0x0100 information ------------------------- Mode Attributes : 009F Mode Supported in Hardware TTY Output functions supported by BIOS Color Mode Graphics Mode VGA compatible VGA windowed compatible Linear Frame Buffer Available Double Scan Mode Not Available Interlaced Mode Not Available No Hardware Triple Buffer Support No Hardware Stereoscopic Support No Dual Display Start Address Support Window A Attributes : 07 Relocatable Window(s) Window is Readable Window is Writeable Window B Attributes : 00 Single-Non Relocatable Window Window is Not Readable Window is Not Writeable Window Granularity : 0040 Window Size : 0040 Window A Start Segment : A000 Window B Start Segment : 0000 Window Function Pointer: C000:2DAA Bytes Per Scanline : 0280 (640) X Resolution : 0280 (640) Y Resolution : 0190 (400) X Char Size : 08 (8) Y Char Size : 10 (16) Number Of Planes : 01 (1) Bits Per Pixel : 08 (8) Number Of Banks : 01 (1) Memory Model : 04 - Packed Pixel Bank Size : 00 Number Of Image Pages : 40 (64) Reserved : 01 Flat Frame Buffer Addr : E2000000 Bytes Per Scan Line (Linear) : 0280 (640) Number of Images for Banked Modes : 40 (64) Number of Images for Linear Modes : 40 (64) Red Mask Size (Linear) : 00 (0) Red Field Position (Linear) : 00 (0) Green Mask Size (Linear) : 00 (0) Green Field Position (Linear) : 00 (0) Blue Mask Size (Linear) : 00 (0) Blue Field Position (Linear) : 00 (0) Reserved Mask Size (Linear) : 00 (0) Reserved Field Position (Linear) : 00 (0) Maximum Pixel Clock : 09896800 (160000000Hz)