Siemens SIMATIC Rack PC 840 Manual page 186

Retrofit Notes
Permissible Variants of Equipment
E E
I I
D D
E E
H H
D D
D D
Rear Drive Holder
Figure C-3 Permissible Variants of Equipment for the Temperature Range of 5 to 45_C
Celeron and PIII processors up to 1.26 Ghz can be used. When using PIII
processors with 1.13 Ghz 4 instead of 7 long PCI slots are available. The
maximum permissible power loss of expansion modules is 80W.
The EIDE drives in front of the drive holder can either be mounted permanently or
in a removeable rack.
Devices equipped with removable racks are not to be exposed to shock in
accordance with DIN IEC 600068-2-29.
Permissible Variants of Equipment
E E
I I
D D
E E
H H
D D
D D
Rear Drive Holder
Figure C-4 Permissible Variants of Equipment for the Temperature Range of 5 to 50_C
Celeron processors with 566 Mhz can be used. The maximum permissible power
loss of expansion modules is 30W. CD RW and CD ROM can be installed and can
be operated within the temperature limits as described previously.
C-4
for the Temperature Range of 5 to 45_C
Free
Free
CD ROM
Floppy
Front Drive Holder
for the Temperature Range of 5 to 50_C
Free
Free
1st CD-ROM
Floppy
Front Drive Holder
Not equipped
Rear Drive Holder
Front Drive Holder
SIMATIC Rack PC 840 Manual
EIDE HDD
EIDE HDD
CD ROM
Floppy
A5E00104826-03