Operations Manual
PCI bus multi-8255/8254 adapter
CHAPTER 4
HARDWARE CONFIGURATION
HARDWARE CONFIGURATION
4.1 I/O Port Address
Base + 0 : Port 1A input/output buffer.
Base + 1 : Port 1B input/output buffer.
Base + 2 : Port 1C input/output buffer.
Base + 3 : Port 1 control register.
Base + 4 : Port 2A input/output buffer.
Base + 5 : Port 2B input/output buffer.
Base + 6 : Port 2C input/output buffer.
Base + 7 : Port 2 control register.
Base + 8 : Port 3A input/output buffer.
Base + 9 : Port 3B input/output buffer.
Base + 10 : Port 3C input/output buffer.
Base + 11 : Port 3 control register.
Base + 12 : Port 4A input/output buffer.
Base + 13 : Port 4B input/output buffer.
Base + 14 : Port 4C input/output buffer.
Base + 15 : Port 4 control register.
Base + 16 : Port 5A input/output buffer.
Base + 17 : Port 5B input/output buffer.
Base + 18 : Port 5C input/output buffer.
Base + 19 : Port 5 control register.
Base + 20 : Port 6A input/output buffer.
Base + 21 : Port 6B input/output buffer.
Base + 22 : Port 6C input/output buffer.
Base + 23 : Port 6 control register.
Base + 24 : Port 7A input/output buffer.
Base + 25 : Port 7B input/output buffer.
頁碼
DECISION Computer International
頁
碼