Programming
BUF-PCI(PC), BUF-PCI(98)
82
Bus signal status register (+FCh) [input]
D7
D6
D5
D4
D3
D2
D1
D0
+252
Target
Target
Bus
Refresh
Self-test
(+FCh)
Power
Type
Type
Enable
IOCS16EN
I/O Wait 0
I/O Wait 1
I/O Wait 2
Input current settings.
I/O Wait 2 - I/O Wait 0 :
Current setting
Self-test IOCS16EN
:
Current setting
Refresh Enable
:
Current setting
Bus Type
:
BUS-PCI(PCI) board bus setting
(1: 98 bus, 0: ISA bus)
Target Type
:
Bus type on the I/O expansion unit side
(1: 98 bus, 0: ISA bus)
Target Power
:
I/O expansion unit power-on state
(1: ON, 0: OFF)
I/O port address set register (+FDh) [input and output]
D7
D6
D5
D4
D3
D2
D1
D0
+253
I/O Address I/O Address I/O Address I/O Address I/O Address I/O Address I/O Address I/O Address
(+FDh)
15
14
13
12
11
10
09
08
Set the eight highest bits of the I/O address in the I/O expansion unit.
Also, input the setting status.
When the power is turned on, the address defaults to 00h.
Self-test input and output register
(+FEh - +FFh) [input and output]
D7
D6
D5
D4
D3
D2
D1
D0
+254
Self-test
Self-test
Self-test
Self-test
Self-test
Self-test
Self-test
Self-test
(+FEh)
Do 07
Do 06
Do 05
Do 04
Do 03
Do 02
Do 01
Do 00
+255
Self-test
Self-test
Self-test
Self-test
Self-test
Self-test
Self-test
Self-test
(+FFh)
Do 15
Do 14
Do 13
Do 12
Do 11
Do 10
Do 09
Do 08
This is the input and output register for self-testing.
The register allows you to verify if the I/O expansion unit is operating
normally.