Sun Microsystems SPARC classic Service Manual page 6

9.2
9.3
10. System Board Overview 10-1
10.1
10.2
10.3
10.4
10.5
11. Main Logic Board and Component Replacement 11-1
11.1
11.2
11.3
11.4
vi SPARCclassic/SPARCclassic X/SPARCstation LX Service Manual • November 1993
9.1.3 Installing a Hard Disk Drive 9-13
Disk Drive Bracket 9-15
9.2.1 Removing the Disk Drive Mounting Bracket 9-16
9.2.2 Replacing the Disk Drive Mounting Bracket 9-19
Diskette Drive 9-21
9.3.1 Removing the Diskette Drive 9-22
9.3.2 Replacing the Diskette Drive 9-23
Before You Begin 10-1
Damage Prevention 10-2
Handling System Boards and Assemblies 10-2
Main Logic Board Layouts 10-4
Identifying Replaceable System Board Components 10-6
SBus Cards 11-1
11.1.1 Removing SBus Cards 11-1
11.1.2 Replacing SBus Cards 11-4
Video SIMM (VSIMM) 11-6
11.2.1 Removing the VSIMM 11-7
11.2.2 Replacing the VSIMM 11-9
DRAM Single In-line Memory Modules (DSIMMs) 11-10
11.3.1 DSIMM Configurations 11-11
11.3.2 Removing a DSIMM 11-13
11.3.3 Replacing a DSIMM 11-15
Main Logic Board 11-17
11.4.1 Main Logic Board Voltage Test Points 11-18
11.4.2 Before Replacing the Main Logic Board 11-21
11.4.3 Removing the Main Logic Board 11-24
11.4.4 Installing the New Main Logic Board 11-29