System I/O Addresses - Mitsubishi Electric apricot VS660 System Product Manual

System I/O Addresses

Address Range
(Hexadecimal) (Decimal)
0000 - 000F 16 bytes
0020 - 0021 2 bytes
002E-002F 2 Bytes
0040 - 0043 4 bytes
0048 - 004B 4 bytes
0060 1 byte
0061 1 byte
0064 1 byte
0070, bit 7 1 bit
0070, bits 6:0 7 bits
0071 1 byte
0078 1 byte
0079 1 byte
0080 - 008F 16 bytes
00A0 - 00A1 2 bytes
00C0 - 00DE 31 bytes
00F0 1 byte
0170 - 0177 8 bytes
01F0 - 01F7 8 bytes
0278 - 027B 4 bytes
02F8 - 02FF 8 bytes
0376 1 byte
7-20
Size
PIIX - DMA 1
PIIX - Interrupt Controller 1
Ultra I/O configuration registers
PIIX - Timer 1
PIIX - Timer 2
Keyboard Controller Data Byte
PIIX - NMI, speaker control
Keyboard Controller, CMD/STAT Byte
PIIX - Enable NMI
PIIX - Real Time Clock, Address
PIIX - Real Time Clock, Data
Reserved - Brd. Config.
Reserved - Brd. Config.
PIIX - DMA Page Register
PIIX - Interrupt Controller 2
PIIX - DMA 2
Reset Numeric Error
Secondary IDE Channel
Primary IDE Channel
Parallel Port 2
On-Board Serial Port 2
Sec IDE Chan Cmd Port
Description
Continued
Technical Reference