Calling for service ........................23
Chapter 2. Removal and replacement procedures ...........25
Before you begin ........................26
Cables, connectors, and headphones ................26
Connecting your cash drawer to SurePOS Models 721, 741, and 781.....27
Removing the slanted I/O trays ...................28
Removing the covers ......................29
Removing the top plate ......................32
Removing the CD-ROM .....................33
Removing the hard disk drive ...................36
Removing the exhaust fan (Models 742 and 782 only) ..........38
Replacing the insulating rubber seal (Models 722, 742, and 782 only).....39
Removing the spline .......................41
Removing the I/O modules ....................42
Removing the I/O module holders ..................43
Removing the air duct (Models 722, 74x, 78x, and C4x)..........44
Removing the processor fan (Models 742, 782 only) ...........45
Removing the heat sink and processor ................45
Removing the control switch card ..................47
Removing the power supply ....................48
Removing the riser card .....................49
Removing the planar.......................54
Removing the UPS .......................56
Removing the expansion housing ..................58
Removing the UPS battery ....................60
Removing the front USB card ...................61
Removing the memory modules ..................62
Removing the front service housing components (wide models only) .....64
Removing the system and bezel latches ..............64
Removing the pull-out handle ..................66
Removing the cable guide....................66
Removing the cable guide arm assembly ..............67
Chapter 3. Problem determination .................73
Preliminary checklist .......................73
Problem isolation ........................74
Special tools requirements ....................75
Using the RAID application ....................75
Determining ahard drive failure..................75
Replacing and rebuilding ahard drive ...............77
Accessing the RAID setup menu .................77
Chapter 4. Diagnostics and configuration settings ..........79
Service and diagnostics .....................79
Using the BIOS setup program ...................79
Navigation and menus .....................79
Saving settings ........................80
Boot device order .......................80
Restoring CMOS default settings ..................80
Appendix A. Parts catalog ....................83
Assembly 1: Models 721, 741 and 781 ................84
Assembly 2: Models 722, 742, and 782 ................88
Assembly 3: Slanted I/O tray ....................92
Assembly 4: Front service assembly .................94
Updated July 14, 2008
iv SurePOS 700 Series: SurePOS 700-721/741/781, 722/742/782 Hardware Service Guide
