Specifications

PC/II+p Board Technical Reference Manual 79
MT002615 ©1999-2001, Megatel Computer Corporation
I/O ADDRESS
REGION
1
USED BY DESCRIPTION USED FOR
037B-037F
M1543C LPT1 (EPP mode) LPT1 – EPP
03B4-03B5
69030 VGA crtc index / data VGA BIOS
03BA
69030 VGA status register / Feature Control Register VGA BIOS
03BC-03BE
M1543C Alternate Parallel Port
03BD
M1543C PNP (Plug & Play) PNP BIOS
03C0-03C1
69030 VGA attrib controller index / data VGA BIOS
03C2
69030 VGA input status register 0 / MSR VGA BIOS
03C4-03C5
69030 VGA sequence index / data VGA BIOS
03C6-03C9
69030 VGA color palette registers VGA BIOS
03CA
69030 VGA feature control register VGA BIOS
03CB
69030 Memory space shadowing register (MSS) VGA BIOS
03CC
69030 VGA misc output register VGA BIOS
03CD
69030 I/O space shadowing register (IOSS) VGA BIOS
03CE-03CF
69030 VGA graphics controller index/data VGA BIOS
03D0-03D1
69030 Video flat panel extension regs index/data VGA BIOS
03D2-03D3
69030 Video multimedia extension regs index/data VGA BIOS
03D4-03D5
69030 VGA CRTC index/data (CGA emulation) VGA BIOS
03D6-03D7
69030 Video configuration extensions data/index VGA BIOS
03DA
69030 VGA status register/FCR (CGA emulation) VGA BIOS
03E8-03EF
COM3 – Serial Port Reserved
03F0-03F1
M1543C PNP Configuration Port 1 PNP BIOS
03F0-03F7
M1543C FLOPPY #1 Disk Controller FLOPPY #1
03F8-03FF
M1543C COM1 – Serial Port COM1
040B
M1543C DMA Channel Extended Mode Register 0-3 DMA
0480-048F
M1543C DMA page registers – 32bit DMA
04D0-04D1
M1543C INT Controller Edge/Level Trigger Settings Interrupt Controller
04D6
M1543C DMA Channel Extended Mode Register 4-7 DMA
0778-077A
M1543C LPT1 – ECP mode LPT1 – ECP
0CF8-0CFB
M1541 PCI Configuration Address Register PC104-Plus(PCI) Bus
0CFC-0CFF
M1541 PCI Configuration Data Register PC104-Plus(PCI) Bus
NOTES
(1) Addresses are expressed in hexadecimal notation; all addresses are in the 65K physical I/O address
space supported by the processor.