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1.\" $FreeBSD: head/share/man/man4/si.4 79727 2001-07-14 19:41:16Z schweikh $
1.\" $FreeBSD: head/share/man/man4/si.4 84877 2001-10-13 09:08:37Z yokota $
2.Dd September 16, 1995
3.Os
4.Dt SI 4
5.Sh NAME
6.Nm si
7.Nd "driver for Specialix International SI/XIO or SX intelligent serial card"
8.Sh SYNOPSIS
9.Cd "device si"
10.Cd "device si0 at isa? irq 12 iomem 0xd0000"
10.Pp
11For ISA host cards put the following lines in
12.Pa /boot/device.hints :
13.Cd hint.si.0.at="isa"
14.Cd hint.si.0.maddr="0xd0000"
15.Cd hint.si.0.irq="12"
16.Sh DESCRIPTION
17The Specialix SI/XIO and SX hardware makes up an 8 to 32 port RS-232 serial
18multiplexor.
19.Pp
15The first instance of the device lines above is for EISA and PCI host cards,
16the second is for ISA host cards.
17.Pp
20The system uses two components: A "Host adapter", which is plugged into
21an ISA, EISA or PCI slot and provides intelligence and buffering/processing
22capabilities, as well as an external bus in the form of a 37 pin cable.
23.Pp
24On this cable, "modules" are connected. The "SI" module comes in a 4 and 8
25port version. The "XIO" and "SX" modules come only in
268 port versions.
27.Pp

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