Abacus
4
Service Manual
8
2.1.4. Dimm-PC* Module
The MB4 board incorporates a credit-card sized PC, named
Dimm-PC*
. The processor on the
Dimm-PC is a 133MHz Pentium-class core, with 32Mbytes on-board RAM, and 32Mbytes on-
board SanDisk. This is the HDD (hard disk drive) of the analyzer, so instrument software with all
user settings, calibration, database, etc. is stored on the Dimm-PC.
* DimmPC® is the Trade Mark of Kontron Embedded Modules GmbH
2.1.5. Configuration and ID E
2
PROM board (IDEPROM)
This board is the interconnection between COMB and PPB cards: Pneumatic I
2
C bus, power
lines and internal printer signals are connected through this card. The board also contains a
24FC256 serial E
2
PROM, which stores the FPGA’s configuration data and identity information
of the instrument (Serial Number, OEM, model.).
E
2
PROM
On-board
SMPS
Edge
connector
CMOS
EEPROM
AMD Elan
SC520
CPU
Super I/O
Real-time
clock
Flash Driver
Flash (BIOS)
