IBM A40 TYPE 6840, (Arabic) User Manual, Page: 136 / 160

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ناﻮﻨﻌﻟا ىﺪﻣ
(decimal) (hex) ناﻮﻨﻌﻟا ىﺪﻣ ﻢﺠﺤﻟا ﻒﻴﺻﻮﺘﻟا
1 MB - 16 MB 1000000 - FFFFFF 15 MB PCI space
16 MB – 4096
MB 10000000 - FFDFFFFF 4080 MB PCI space (positive
decode)
FFFE0000 - FFFFFFFF 128 KB System ROM BIOS
_________________________________________________________
(
I/O
) تﺎﺟﺮﺨﻣ / تﻼﺧﺪﻣ ﻦﻳوﺎﻨﻋ ﺔﻄﻳﺮﺧ
تﺎﺟﺮﺨﻤﻟا / تﻼﺧﺪﻤﻟا ﻦﻳوﺎﻨﻋ ﺔﻄﻳﺮﺨﻟ ردﺎﺼﻤﻟا تﺎﺼﻴﺼﺨﺗ ضﺮﻌﺑ ﻲﻟﺎﺘﻟا لوﺪﺠﻟا مﻮﻘﻳ
. ةزﻮﺠﺤﻣ نﻮﻜﺗ ﺎﻬﺿﺮﻋ ﻢﺘﻳ ﻻ ﻦﻳوﺎﻨﻋ يأ .(
I/O address map
)
(
I/O address map
) تﺎﺟﺮﺨﻣ / تﻼﺧﺪﻣ ﻦﻳوﺎﻨﻋ ﺔﻄﻳﺮﺧ . ٢ لوﺪﺠﻟا
(hex) ناﻮﻨﻌﻟا ( ﺖﻳﺎﺑ ) ﻢﺠﺤﻟا ﻒﻴﺻﻮﺘﻟا
0000 - 000F 16 DMA 1
0010 - 001F 16 General I/O locations, available to PCI bus
0020 – 0021 2 Interrupt controller 1
0022 - 003F 30 General I/0 locations, available to PCI bus
0040 – 0043 4 Counter/timer 1
0044 - 00FF 28 General I/O locations, available to PCI bus
0060 1 Keyboard controller byte, reset IRQ
0061 1 System port B
0064 1 Keyboard controller, CMD/ATAT byte
0070, bit 7 1 bit Enable NMI