LSI 21003 - Manual (Page 46)

3-4 Technical Specifications
3.1.5 Safety Characteristics
The bare board meets or exceeds the requirements of UL flammability
rating 94 V0. The bare board is also marked with the supplier’s name or
trademark, type, and UL flammability rating. Since this board is installed
in a PCI bus slot, all voltages are below the SELV 42.4 V limit.
3.2 Operational Environment
The LSI21003 is designed for use in PCI computer systems with an
ISA/EISA bracket type. The SDMS software operates the board;
however, the design of the board does not prevent the use of other
software.
An on-board flash memory device is provided to allow BIOS code and
open boot code support through the PCI bus and a serial EEPROM for
each channel.
3.2.1 The PCI Interface
The PCI interface operates as a 32-bit DMA bus master. The connection
is made through edge connector J1, which provides connections on both
the front and back of the board. The signal definitions and pin numbers
conform to the PCI Local Bus Specification Revision 2.2 standard. The
signal assignments appear in Tables
3.2 and 3.3 .
Note: The +3.3 V pins are tied together and decoupled with high
frequency bypass capacitors to ground. No current from
these 3.3 V pins is used on the board. The PCI portion of
the LSI53C1010 is powered by 3.3 volts from the
on-board regulator.