MEM C000h:0000h   - OLIVETTI 640x400 GRAPHICS CARDS                             
Size: 62 BYTEs
SeeAlso: MEM 0040h:0088h"Olivetti"


Format of Olivetti 640x480 ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. signatures:
Offset	Size	Description	(Table M0133)
 00h	WORD	55AAh adapter ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. signature (check this!)
	...
 10h  2 BYTEs	"OL" if Olivetti EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors. or VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers. card
	...
 22h  2 BYTEs	(Olivetti EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors./VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers.)
		"VG" for Olivetti VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers. (supports 640x400 mode)
		"EG" for Olivetti EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors. including Olivetti EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors. card 2
	...
 3Ch  2 BYTEs	"PA" if Paradise card (supports 640x400 mode)
Note:	These signatures can aid in the presence detection of an EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors. or VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers.
	  adapter supporting the 640x400 mode.
	Olivetti PCIBM PC models M15 and M19 do not support the 640x400 mode
	  (see INT 15h/C0h).
	To decide if the 640x400 mode is supported by an Olivetti EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors. card
	  (only the Olivetti EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors. card 2 supports it), also check that bit 7
	  and 5 are set at 0040h:0088h.