The S-LINK Interface Specification

8.0 S-LINK Type Naming Convention

To identify the features present on motherboards and S-LINK cards all such cards shall carry an S-LINK type on the silk-screen. It is recommended that this S-LINK type be close to the S-LINK connector position and that it be visible from the component side of the motherboard when the S-LINK card is mounted on the motherboard.

The S-LINK type is composed of a series of numbers and letters delimited by a dash (-). The required information is as follows;

1. Card Type: This is FEMB, LSC, LDC or ROMB.

2. Type of S-LINK: Simplex (S) or Duplex (D).

3. Maximum Clock Frequency in MHz: 40.

4. Error Detection Method: Block (B), Word-by-Word (W) or Don't Care (X)[2].

5. Supply Voltage in Volts: 5.0 or 3.3.

6. Data Rate in Mbytes/sec (any integer).

As an example, an S-LINK Source Card for a Duplex S-LINK which can run at up to 40 MHz, using Block Basis error detection, a 5.0 V power supply and having a data transfer rate of 180 MBytes/sec would bear the S-LINK type;

LSC-D-40-B-5.0-180

[2] Note that only a FEMB is "don't care" regarding error detection method since the FEMB has nothing to do with error checking.

The S-LINK Interface Specification - 27 MARCH 1997

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