Matrox Graphics Adapter - PCI / FRU P/N 06H9074 (with 4MB-WRAM)
Matrox Graphics Adapter - PCI / FRU P/N 75H9227
Matrox (PCI) Graphics Adapter (MGA) Switch Settings
There are two switches on the adapter that are used to change the way the adapter operates.
VGA BIOS Flash Upgrade Enable - Switch 1
To upgrade the VGA BIOS, use the software utility diskette and BIOS upgrade file.
NOTE: Do not leave this switch ON during normal use, as the Flash EPROM in this state is susceptible to being erased without warning.
The following table shows the system resources used by the Matrox MGA Millennium Graphics Adapter.
Please see the LEGAL - Trademark notice.
System Resource
Assignment (hex)
ROM
C0000-C7FFF (32KB)
RAM
A0000-BFFFF, (MGABASE1 - (MGABASE1 + 3FFF)),
(MGABASE2 - (MGABASE2 + 7FFFFF)), 8MB linear frame buffer
I/O (hex)
3B4-3B5, 3BA, 3C0-3C2, 3C4-3CA, 3CC, 3CE-3CF, 3D4-3D5
3DA, 3DE-3DF
IRQ
PCI interrupt #2 (typically assigned to ISA IRQ 9 by
POST or can be disabled in the Config./Setup Utility
program.)
DMA
None
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