7-5
PG 760 PII Programming Device
C79000-G7076-C766-01
Table 7-2
I/O Address Assignment
Address
From
Remark
Assignment
To
0388
038C
Sound synthesizer
Can be switched off
03A0
03AF
Generally not used
Vacant
03B0
03BB
Monochrome video or EGA/VGA
03BC
03BF
Reserved for LPTn, otherwise vacant
Reserved / vacant
03C0
03CF
VGA control register
03D0
03DF
CGA / VGA control-register
03E8
03EF
Reserved for COM 3, otherwise vacant
Reserved / vacant
03F0
03F5
FD controller
03F6
03F6
First IDE channel, command
03F7
03F7
First IDE channel, status
03F8
03FF
COM 1
Can be switched off
0390
0397
Reserved for SINEC H1 (CP1413), other-
wise vacant
Reserved / vacant
0400
+LPT
ECP LPT
PCI BUS
0CF8
0CFB
PCI config index
PCI BUS
0CFC
0CFF
PCI config data
PCI BUS
FF00
FF07
IDE bus master register
PCI BUS
Table 7-3
DMA Assignment
DMA Channel
Data Transfer
Description
0
8 / 16 bits
Vacant
1
8 / 16 bits
Vacant
2
8 / 16 bits
Floppy
3
8 / 16 bits
Vacant
4
Cascading of DMA Controller
5
16 bits
Vacant
6
16 bits
Vacant
7
16 bits
Vacant
Hardware Information