Compaq 164LX Manual De Usuario
3–2
AlphaPC 164LX Jumper Configuration
Bcache Size Jumpers (CF1 and CF2)
Figure 3–1 AlphaPC 164LX Configuration Jumpers
1
3
5
7
9
11
13
15
17
19
21
23
25
IRQ3
IRQ2
IRQ1
IRQ0
CF0
CF1
CF2
CF3
CF4
CF5
CF6
CF7
Reserved (Default Out)
Boot_Option (Default Out)
Reserved (Default Out)
Reserved (Default Out)
Reserved (Default Out)
Reserved (Default Out)
Bcache Size
CF1
CF2
Comments
2MB
Out
Out
Default
All other combinations are reserved.
Reserved (Default Out)
Frequency Ratio IRQ3 IRQ2 IRQ1
IRQ0
Comments
466 MHz
7
In
Out
Out
Out
Default
533 MHz
8
Out
In
In
In
600 MHz
9
Out
In
In
Out
All other combinations are reserved.
J27 System Configuration Jumpers
J28 Flash ROM Update Jumpers
1
2
3
1 to 2 In = Disable
2 to 3 In = Enable (Default)