Figure 11-25 Simm Slot Locations - Sun Microsystems SPARCstation 20 Service Manual

Caution – Do not disconnect the power cord from the system unit back panel
connector. Be sure the power cord is connected to a grounded wall receptacle and
that the system unit power switch is set to standby. Verify that the green LED at the
chassis front is off.
FIGURE 11-25
1. Remove power from the system.
See "Removing Power from the System" on page 45.
2. Remove the cover and attach the wrist strap.
See Chapter 7.
Caution – Use proper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an ESD-protected mat. Store ESD-sensitive
components in antistatic bags before placing it on any surface.
3. Place an antistatic surface next to the system.
Caution – Hot surface. Avoid contact. Surfaces are hot and may cause personal
injury if touched.
162 SPARCstation 20 Service Manual • July 1996
SIMM Slot Locations
SIMMs location
J0201 bank 0
J0202 bank 2
J0203 bank 5
J0301 bank 3
J0302 bank 6
J0303 bank 1
VSIMM 0, J0407 J0304* bank 7
VSIMM 1, J0406
J0305** bank 4
*J0304 can be used for VSIMMs or DSIMMs.,
**J0305 can be used for DSIMMs,. VSIMM,
or a NVSIMM.