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TokenExpress(TM) Adapter: ISA 16/4 Adapter Switch Settings
ISA 16/4 ADAPTER SWITCH DOCUMENTATION
These instructions apply to Release 5.0 of the software.
TokenExpress ISA Adapter Switch Settings
The TokenExpress adapter comes equipped with two slide switches and one
switch block. These switches and switch block allow you to easily
configure the adapter to fit your particular installation requirements.
One slide switch is used to determine the speed setting for your
adapter. This switch may be set at either 4 or 16 Mbps, depending on the
speed of the Token-Ring to which your computer is connected.
The second slide switch is used to select the cabling type that you will
use with your adapter. The STP setting enables output through the 9-pin
connector (DB-9) for operation over Shielded Twisted Pair cabling. The
UTP setting enables the RJ-45 connector and the on-board media filter
for operation over Unshielded Twisted Pair cabling.
The switch block is used to determine the Remote Program Load (RPL)
enable/disable, the RPL address, the interrupt level select, the I/O
address select, and the DMA address select. The possible switch
settings are as follows:
Switch 1 - RPL ENABLE
On EEPROM is disabled (Default)
off EEPROM is enabled
Switch 2 - 6 - RPL Address
2 3 4 5 6
on on off off on (Default - CC000-CDFFF)
0 0 1 1 0 (0 = on, 1 = off)
Switch 2 - 6 set the 8K address space for the RPL EEPROM. The
EEPROM can be placed on any 8K boundary from C0000 to FE000.
Switch 7,8 - Interrupt select
7 8
on on Interrupt 9 (Default)
on off Interrupt 3
off on Interrupt 10
off off Interrupt 11
Switch 9,10 - I/O Address select
9 10
off off A20-A23, A30-A3F
on off A24-A27, A40-A4F
off on A50-A53, A60-A6F
on on A54-A57, A70-A7F
Switch 11,12 - DMA select
11 12
on on DMA 5
on off DMA 6
off on DMA 7
off off Programmed I/O
NOTE: Setting switches 11 and 12 to off forces the driver/adapter to
transfer data using programmed I/O. Though not normally used,
this setting may be necessary if your computer does not
support the AT Bus Master Mode properly.
When the TokenExpress ISA adapter is installed in an 8-bit slot of a
PC/AT, programmed I/O is used regardless of the switch setting.
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