CP302
Functional Description and Configuration
ID 21112, Rev. 05
Page 2 - 13
®
PEP Modular Computers GmbH
2.5.7
Flash Memory
There are two Flash devices available as described below, one for the BIOS and one
32-pin socket for a flexible Flash configuration.
1.
BIOS Flash
The CP302 uses a 256 kB flash memory to store BIOS firmware. It can be updated as
new versions of the BIOS become available. You may easily upgrade your BIOS using
the AWARD awdflash utility .
2.
Socket Memory
Different flash module versions are available. In order to achieve flexibility with low cost
the flash memory is not soldered, but connected via a special module from M-Systems
(DiskOnChip
™
2000).
•
Standard flash memory of up to 512 KB in a 32-pin DIL package
•
AMD29F010
•
AMD29F040
•
Standard EEPROM memory in a 32-pin DIL package
•
AMD27C010
•
AMD27C020
•
DiskOnChip
™
flash memory:
•
8 - 96 MB
For higher flash memory capacity it is recommended to use an ATA flash disk.
2.5.8
PCI- to-PCI Bridge
The Intel
21154 bridge is a 64-bit 33 MHz PCI-to-PCI bridge device. It supports up to
seven CompactPCI loads through a passive backplane.
The 21154 is a second generation PCI-to-PCI bridge and is fully compliant with the PCI
Local Bus Specification Rev. 2.1. The 64-bit interface interoperates transparently with
either 64-bit or 32-bit devices.
The PC-to-PCI bridge allows the primary and secondary PCI bus to operate
concurrently. A master and target on the same PCI bus can communicate while the
other PCI bus is busy.
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