User`s manual

DIGITAL-LOGIC AG MSMP5 / P3 SEN/SEV Manual V1.6A
32
4.2 CPU, Boards and RAMs
4.2.1 CPUs of this MICROSPACE Product
Processor: Type: Clock: Landmark MHz: Landmark Units:
P5-166MHz Intel 166 MHz 166 MHz 900
P5-266MHz Intel 266 MHz 266 MHz 1500
4.2.2 Numeric Coprocessor
Is always integrated into the Pentium CPUs.
4.2.3 DRAM Memory
Speed:
70ns
Size:
soldered onboard TSOP DRAMs
SODIMM 144pin
Bits:
32 Bit
Capacity:
32, 64 MBytes
SODIMM (up to 256MB)
Bank:
1, 2
4.3 Interface
4.3.1 Keyboard AT compatible and PS/2 Mouse
Pin Signal
Pin 1 Speaker out
Pin 2 GND
Pin 3 Ext. reset input
Pin 4 VCC
Pin 5 Keyb. Data
Pin 6 Keyb. Clock
Pin 7 GND
Pin 8 Ext. Battery
Pin 9 Mouse Clock (PS/2)
Pin 10 Mouse Data (PS/2)
4.3.2 Line Printer Port LPT1
A standard bi-directional LPT port is integrated into the MICROSPACE PC.
Further information about these signals is available in numerous publications, including the IBM technical
reference manuals for the PC and AT computers and from some other reference documents.
The current is: IOH = 12 mA IOL = 24mA
The SMC 37C672 may be programmed via software commands.
In the NEW BIOS version, this selection may be controled with the BIOS setup screen.