User`s manual

3–2 AlphaPC 164LX Jumper Configuration
Bcache Size Jumpers (CF1 and CF2)
Figure 3–1 AlphaPC 164LX Configuration Jumpers
J27 System Configuration Jumpers
IRQ3
1
3
5
7
9
11
13
15
17
19
21
23
25
CF0
CF4
CF5
CF6
CF7
CF1
CF2
CF3
Boot_Option (Default Out)
Reserved (Default Out)
IRQ0
IRQ1
IRQ2
Password Bypass
Not Used
Frequency
466 MHz
Ratio IRQ3 IRQ2 IRQ1 IRQ0 Comments
All other combinations
7 In Out Out Out
In In In
In In Out
533 MHz
600 MHz
8
9
Out
Out
Reserved
Bcache Size
Out
Out In
CF1 CF2 Comments
2MB
4MB
Out Default
FM-05931.AI4
1
2
3
2 to 3 In = Enable (Default)
1 to 2 In = Disable
J28 Flash ROM Update Jumper
Reserved (Default Out)
Reserved (Default Out)
Reserved (Default Out)
Default