Setting microprocessor jumpers – Iomega 9000 Series User Manual
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42 Advantage! 9000 Series User’s Manual
.
* Default setting.
** Consult the documentation that came with your CPU
for voltage requirements
Setting Microprocessor Jumpers
The configuration of the microprocessor-related jumpers varies
with the system’s microprocessor speed. Table 2 shows the
default settings for the system board jumpers.
Table 1. System Board Jumper Settings
Description
Jumper
Setting Options
CPU Configuration J1F1-C, D
See “Setting Microprocessor Jumpers”
CMOS Clear
J1F1-A
Pins 4&5: Normal
*
Pins 5&6: Clear
Password Clear
J1F1-A
Pins 1&2: Password enabled*
Pins 2&3: Password clear/disabled
CMOS Setup
Access
J1F1-B
Pins 1&2: Enable System Setup*
Pins 2&3: Disable System Setup
Processor
Voltage**
J1F1-B
Pins 4&5: Standard Voltage (3.3V)
Pins 5&6: VRE (3.6 V)
Table 2. Microprocessor Speed Jumpers
CPU Freq.
J1F1-C Settings J1F1-D Settings
200
1&2, 5&6
1&2, 5&6
180
2&3, 4&5
1&2, 5&6
166
1&2, 5&6
2&3, 5&6
150
2&3, 4&5
2&3, 5&6
133
1&2, 5&6
2&3, 4&5
120
2&3, 4&5
2&3, 4&5
3694manl.bk : 3694manl.fm Page 42 Tuesday, December 24, 1996 9:15 AM