Vl-Bus - American Megatrends Enterprise-III User Manual

Step 10 Install Adapter Cards,

VL-Bus

The first two expansion slots on the Enterprise-III EISA Local Bus motherboard are used for VL-Bus adapter cards. These
VL-Bus bus mastering slots are labeled Local Bus1 (VL-BUS SLOT-7) and Local Bus2 (VL-BUS SLOT-8). These
slots use the standard EISA/ISA sockets and an inline 64-pin extension connector to accomodate VL-Bus-compatible
adapter cards. Side A of the VL-Bus connector is the component side. Side B is the solder side. The pinout for the
VL-Bus connector follows:
Pin Use
A1 DAT01
A2 DAT03
A3 GND
A4 DAT05
A5 DAT07
A6 DAT09
A7 DAT11
A8 DAT13
A9 DAT15
A10 GND
A11 DAT17
A12 VCC
A13 DAT19
A14 DAT21
A15 DAT23
A16 DAT25
A17 GND
A18 DAT27
A19 DAT29
A20 DAT31
A21 ADR30
A22 ADR28
A23 ADR26
A24 GND
A25 ADR24
Chapter 4 AMIBIOS POST
76
Continued
Pin Use
B1 DAT00
B2 DAT02
B3 DAT04
B4 DAT06
B5 DAT08
B6 GND
B7 DAT10
B8 DAT12
B9 VCC
B10 DAT14
B11 DAT16
B12 DAT18
B13 DAT20
B14 GND
B15 DAT22
B16 DAT24
B17 DAT26
B18 DAT28
B19 DAT30
B20 VCC
B21 ADR31
B22 GND
B23 ADR29
B24 ADR27
B25 ADR25