Appendix B. System Address Maps
PCI Configuration Space Map
Figure 47 (Page 2 of 2). DMA I/O Address Map
Address (Hex)
Description
Bits
Byte Pointer
00CC
Channel 7, Memory Address register
00–15
Yes
00CE
Channel 7, Transfer Count register
00–15
Yes
00D0
Channels 4–7, Read Status/Write Command register
00–07
00D2
Channels 4–7, Write Request register
00–02
00D4
Channels 4–7, Write Single Mask register bit
00–02
00D6
Channels 4–7, Mode register (write)
00–07
00D8
Channels 4–7, Clear byte pointer (write)
N/A
00DA
Channels 4–7, Master clear (write)/temp (read)
00–07
00DC
Channels 4–7, Clear Mask register (write)
00–03
00DE
Channels 4–7, Write All Mask register bits
00–03
00DF
Channels 5–7, 8- or 16-bit mode select
00–07
Bus Number (hex)
Device Number
(hex)
Function Number
(hex)
Description
00
00
00
Intel 84440LX
00
01
00
Intel 82371AB AGP bus
00
07
00
Intel 82371AB PCI/ISA bus
00
07
01
Intel 82371AB IDE bus master
00
07
02
Intel 82371AB USB
00
07
03
Intel 82371AB power management
01
00
00
Cirrus Logic CL-GD5465 AGP controller
1
Upper byte of memory address register.
44
Technical Information Manual
Содержание PC 300GL Type 6561
Страница 1: ...IBM Technical Information Manual PC 300GL 6561 and 6591 ...
Страница 2: ......
Страница 3: ...IBM Technical Information Manual PC 300GL 6561 and 6591 ...
Страница 8: ...51 Beep Codes 48 vi Technical Information Manual ...
Страница 12: ...x Technical Information Manual ...
Страница 66: ...IBM Part Number Printed in U S A ...