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Detailed descriptions
17.1 Motherboard
17.1.2
Technical features of the motherboard
Component /
interface
Chip set
BIOS
CPU
Memory
Graphic
Hard disk drive
[Primary EIDE
interface]
CD-ROM
DVD-ROM/CD-RW
Floppy
Keyboard
Mouse
Serial
Parallel
PROFIBUS/MPI
USB
Ethernet
17-2
Description
Single chip set
Update by means of software Phoenix NuBIOS V4, modified by Siemens
Intel ® Pentium 4 / Mobile P4
/ Intel ® Celeron (design
mPGA478)
2 DIMM module slots, max. 1
GB/DIMM
integrated in chip set
)
As master or slave on ATA
4
33/66/100 mode
Master on secondary EIDE
4)
interface
4)
FD drive interface
4)
PS/2 keyboard interface
PS/2 mouse interface
COM1/25-pin
COM2/9-pin
Standard, bidirectional, EPP
mode
Communication interface
2)
SIMATIC S7
Universal Serial Bus
10BaseT/100Base-TX
(compatible with VIA Rhein
family)
Characteristics
VIA P4N266A (VT8703A and VT8235)
Upgradable
Multimedia support
•
On-board L2-Cache with
•
512 K / 512 K / 128 K
64-bit data bus width
•
3.3 V
•
SDRAM DDR266 in accordance with
•
PC2100 specification
Up to 512 Mbit chip size on the module
•
66/100/133 MHz bus clock
•
from 128 MB to 2 GB variable
•
Compatible with Via ProSavage 8,
•
graphics memory 8, 16 or 32 MB taken
from main memory
DVI interface (X303)
•
CRT:
•
Up to 1600x1200 pixels, 60Hz, 16-bit
color.
Up to 1280x1024 pixels, 100Hz, 32-bit
color.
LCD:
•
LVDS or DVI up to 1280x1024 /
18-bit TFT
Ultra-DMA-capable
•
DMA-capable
•
1.44 MB
•
Standard
•
Standard
•
V.24
•
25-pin subminiature connector
•
Floating
CP 5611-compatible
•
1
12 Mbaud
•
High-current (500 mA) USB ports,
•
5 channels: 2 x external at the interface
side, 3 x internal
10/100 MB, floating
•
Operating instructions, Release 07/2006, A5E00877780-01
3)
1)
SIMATIC Panel PC 877
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