viii
2.4
SCSI Feature ................................................................. 2-9
2.4.1
Using SCSI ........................................................ 2-9
2.5
Jumper Settings ........................................................... 2-10
2.6
Error Messages ........................................................... 2-12
2.6.1
Software Error Messages ................................ 2-12
2.6.2
System Error Messages .................................. 2-12
2.6.3
Correcting Error Conditions ............................. 2-15
2.7
Address Maps and Interrupt Table .............................. 2-16
2.7.1
System Memory Map ....................................... 2-16
2.7.2
I/O Address Map .............................................. 2-18
2.7.3
Interrupt Levels ................................................ 2-20
3
486 CPU Board
3.1
Upgrading the CPU ....................................................... 3-3
3.1.1
Installing the Upgrade CPU ............................... 3-3
3.2
Upgrading the Second-Level Cache ............................. 3-4
3.3
Jumper Settings ............................................................. 3-6
4
Pentium CPU Board
4.1
Upgrading to Dual CPUs ............................................... 4-3
4.1.1
Installing the Second CPU ................................ 4-3
4.2
Upgrading the Second-Level Cache ............................. 4-4
4.3
Upgrading the Memory .................................................. 4-5
4.4
Jumper Settings ............................................................. 4-6
5
Configuring the System
5.1
Basic System Configuration (486 CPU) ........................ 5-3
5.1.1
The Real-Time Clock ......................................... 5-5
5.1.2
Diskette Drives .................................................. 5-5
5.1.3
Fixed Disk Drives ............................................... 5-5
