Figure 8-8 Jp1/Jp2 Jumper Settings For The Flash Prom; Table 8-2 Flash Prom Jumper Settings - Sun Microsystems Sun Blade 100 Service Manual

1. Using needle-nosed pliers, set the Flash PROM Jumpers, JP1 and JP2.
Flash PROM jumpers JP1 and JP2 are used for reprogramming specific code blocks
and remote programming of the flash PROM.
JP2 jumper settings for the flash PROM.
settings. The default shunt settings of jumpers JP1 and JP2 are 1-2. Placing the shunt
on pins 2 and 3 enables the flash PROM for reprogramming.
1
2
3
FIGURE 8-8
TABLE 8-2
Jumper
JP1
JP2
2. Replace the DIMMs.
See Section 8.3.2 "Replacing a DIMM" on page 8-10.
3. Replace the NVRAM/TOD with carrier.
See Section 8.2.2 "Replacing the NVRAM/TOD" on page 8-7.
4. If you removed the CPU or will install a new CPU, see Section 8.1.2 "Replacing
the CPU" on page 8-3.
5. Carefully, slide the motherboard tray into the chassis.
6. Position the motherboard connector against the riser board connector and ensure
that the connector keys are properly aligned.
a. Push the motherboard ejection lever toward the chassis to lock the
motherboard into the riser board connector.
b. Verify that the motherboard is firmly locked into the riser board by gently
pressing the motherboard tray into the riser board connector.
8-18 Sun Blade 100 Service Manual • October 2000
1
2
3
JP2
JP1
JP1/JP2 Jumper Settings for the Flash PROM
Flash PROM Jumper Settings
Pins 1-2 Select
To onboard PROM (default)
Disable
illustrates the default JP1/
FIGURE 8-8
identifies the flash PROM jumper
TABLE 8-2
Pins 2-3 Select Default Jumper on Pins
To ROMBO 1-2
Enable 1-2