Siemens SIMATIC PG 760 Manual page 85

From to Byte
Address Size
03E0 03E1 2
03E8 03EF 2
03F0 03F5 6
03F6 03F6 1
03F7 03F7 1
03F8 03FF 8
0778 077A 3
04D0 04D1 2
0CF8 0CFB 4
0CFC 0CFF 4
FCF0 FCF2 2
FCF4 FCF7 4
FCF8 FCFA 2
FCFC FCFF 4
Table 7-3
0
1
2
3
4
5
6
7
PG 760 Programming Device
C79000-G7076-C761-01
Basic Function
Function
Vacant
COM 3 not used
Floppy 1 on board
Primary IDE command
Primary IDE status / Floppy Change
COM 1 / TTY
ECP LPT1
PiiX PIC 1,2 interrupt controller
edge/level control
PCI config index (TSC)
PCI config data (TSC)
Bus master interface primary IDE register
Command & Status
Bus master interface prim. IDE register
Memory descriptor Table Base Adress
Bus master interface prim. IDE register
Command & Status
Bus master interface prim. IDE Register
Memory descriptor table base address
DMA assignment
DMA Channel
8 / 16 bits
8 / 16 bits
8 / 16 bits
8 / 16 bits
16 bits
16 bits
16 bits
Hardware Information
Possible Alternative Function
0CF9h PiiX CPU System reset
Data Transfer Description
Vacant
Vacant
Floppy
Vacant
Cascading of
DMA Controller
Vacant
Vacant
Vacant
7-5
7