5-6
PG 720 P Programming Device
C79000-G7076-C721-02
5.3
Switch Setting / Jumper
CPU-Cuore
Frequency
(CPU-Internal)
CPU Bus
Frequency
S1/1
S1/2
S1/3
S1/4
233 MHz
66 MHz *
ON *
OFF *
OFF *
OFF *
200 MHz
66 MHz
ON
OFF
OFF
ON
166 MHz
66 MHz
ON
OFF
ON
ON
150 MHz
60 MHz
OFF
OFF
ON
ON
133 MHZ
66 MHz
ON
OFF
ON
OFF
120 MHz
60 MHz
OFF
OFF
ON
OFF
100 MHz
60 MHz
OFF
ON
ON
OFF
100 MHz
50 MHz
ON
OFF
OFF
OFF
90 MHz
60 MHz
OFF
OFF
OFF
OFF
75 MHz
50 MHz
OFF
ON
OFF
OFF
* Default setting
The PCI bus frequency is generated asynchronously and is fixed at 33 MHz.
The ISA bus frequency is derived from the PCI frequency and is always
8.25 MHz.
X30
Function
2-3
4-5
Active TTY port (standard setting)
x
off
TTY send loop separate from power source (passive
setting)
off
x
TTY receive loop separate from power source (passive
setting)
3 2 1
Jumper
Transformer
Transformer
Type 1
Type 2
1–2 2.9V
2.1V
2–3 3.1V
2.2V
* Default setting
(depending on processor type
and transformer type)
Figure 5-4 Transformer for CPU with Jumpers
!
Caution
Only special processors are suitable for use in the PG 720. The CPU requires
a special supply voltage. The appropriate transformer must be used with the
correct jumper setting.
Before upgrading, you are strongly advised to contact the Customer Support
team.
Clock Setting
(Switch S1)
TTY Jumpers
(x30)
Jumper Setting
PG 720 Expansions
