Micronics PENTIUM PRO W6-LI User Manual

Page 17

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W6-LI System Board Manual

15

Chapter 2: Configuring the W6-LI

Table 2-7 lists the jumper settings for the Host Bus Agents pipelining
mode. Host Bus Agents are devices connected to the CPU local bus,
which include the CPUs and the 440FX chipset. Host Bus Agents can
generate, up to eight at a time, multiple overlapped (or pipelined) bus
transactions (or bus cycles).

Table 2-8 lists the jumper settings to select the optional onboard SCSI.

Table 2-9 lists the jumpers for the case and peripheral connections.

Jumper

Function

Settings

W10

Normal (default)
Reserved

Open

Close

Table 2-7: Pipelining Mode Settings

Jumper

Function

Settings

W15

Enable SCSI (default)
Disable SCSI

Close
Open

Table 2-8: Onboard SCSI Selection

Connector

Function

Notes

J1

Voltage Regulator Module

For Secondary CPU

J3-J6

DRAM (168-pin DIMM
sockets)

3.3 Volt Only. Buffered DIMMs
Supported

J7

Floppy Drive Connector

Supports up to two floppy drives

J8

Primary IDE Port Connector

Supports up to two IDE devices

J9

Secondary IDE Port Connector Supports up to two IDE devices

J10

PS/2 Keyboard Connector
PS/2 Mouse Connector

Lower Level
Upper Level

J11

USB Connector (optional)

Lower Level: USB Port 1
Upper Level: USB Port 0

J12

Serial Port A Connector

J13

Serial Port B Connector

J14

Parallel Port Connector

Upper Level

J15-J18

PCI Bus Expansion Slots

Table 2-9A: Case & Peripheral Connections

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