Detailed descriptions
16.1 Motherboard
SIMATIC Rack PC 847B
126
Operating Instructions, 06/2008, A5E02203168-01
16.1.2
Technical features of the motherboard
Component / interface Description
Parameters
Chipset
Single chipset
945GM and ICH7/ICH7R
BIOS
Update by means of software Phoenix First BIOS, modified by Siemens
CPU
Intel Core 2 Duo / Celeron M
(design FC PGA479)
- Upgradeable
- Multimedia support
- On-board L2-Cache with 1M/2M/4M, CPU
dependent
Memory
2 x SODIMM module slots,
max. 4 GB
- Data length = 64 bit
- 3.3 V
- DDR2 SDRAM to PC5300 specification
- Chip size up to 1 GBit on the module
- 100/133 MHz bus clock
3
- 256 MB to 2 GB / SODIMM, variable
Graphics
Integrated in chipset
Mobile Intel 945GM Express Chipset
Family, compatible to Graphics Media
Accelerator 950
- VGA: 1600x1200 / 32-bit color depth /
85 Hz
DVI-I: 1600x1200/32-bit color depth/60 Hz
Graphics memory:
8 MB to 128 MB, used in system memory,
8 MB reserved.
256 MB to 2 GB in system memory:
additional dynamic use of up to 256 MB
HDD
4
[4 x SATA]
Compatible, Enhanced, AHCI,
RAID 0 and RAID 1 supported
- Compatible to SATA 150 / 300
DVD ROM
4
DVD ROM/CD RW
4
Master on secondary EIDE
interface
- DMA capable
Floppy
4
FD drive interface
- 1.44 MB
Keyboard
PS/2 keyboard interface
- Standard
Mouse
PS/2 mouse interface
- Standard
Serial
COM1/9-pin
COM2/9-pin
- V.24
Parallel
Standard, bi-directional, EPP
and ECP mode
- 25-pin D-sub
PROFIBUS/MPI
2
SIMATIC S7 communication
interface
- Electrically isolated
1
compatible to
CP5611
- 12 Mbps
PROFINET
2
Communication interface for
PROFINET
IO applications and SIMATIC
installations
- 10/100 Mbps, electrically isolated
1
- CP 1616 compatible 3 port interface
USB 2.0
Universal Serial Bus
- 6 x three high-current (500 mA) USB 2.0
ports, of those two at the front