Mitsubishi HU430- Manuals

1.3 Block Diagram I O _ D D S ( 1 5 : 0 ) I O _ D D P ( 1 5 : 0 ) S U P E R I O S M C F D 3 7 C 6 7 X I C 1 6 P C I - I S A B R I D G E ( + R T C ) P I I X 4 E I C 2 3 S Y S T E M C O N T R O L L E R 4 3 0 T X M T X C I C 9 C O N T R O L P _ A ( 3 1 : 3 ) K _ T A ( 7 : 0 ) C P U S O C K E T 7 I C 1 ...

2 Electronics 2.1 Processor Processor support is for a dual voltage-plane socket 7, for the P54C, P55C and K6. Processorbus speeds allowed are 60 or 66MHz, and all core multipliers can be set from the main jumperblock PL10. Depending on the processor fitted, the processor bus speed, core multiplier,...

HU430 NLX Motherboard User Guide 124575UG Revision 2 Mitsubishi Electric PC Division Page 7 of 21 2.3 Level 2 Cache L2 cache controller is a direct-mapped write-back design. Only the first 64MB of mainmemory can be cached. It supports standard PBSRAM (15ns cycle time, 8ns clock to output)or DRAM-bas...

HU430 NLX Motherboard User Guide 124575UG Revision 2 Mitsubishi Electric PC Division Page 8 of 21 The video memory comprises 4 pieces of 256Kx16 40-pin SOJ to give a maximum of 2MB(64-bits wide). Board builds populated with only 1MB (2 pieces) will have two sockets fittedto enable the memory to be u...

HU430 NLX Motherboard User Guide 124575UG Revision 2 Mitsubishi Electric PC Division Page 9 of 21 scheme compatible with that of the PIIX4. This allows a wide selection of interrupt channelsfor the serial and parallel ports, and the floppy disk controller. 2.7.1 Keyboard and Mouse This is implemente...

HU430 NLX Motherboard User Guide 124575UG Revision 2 Mitsubishi Electric PC Division Page 10 of 21 2.8.2 Universal Serial Bus (USB) The controller is integrated into the PIIX4E. Two channels are wired to a dual-stacked USBconnector provided on the rear panel. Optionally, the motherboard may have a s...

HU430 NLX Motherboard User Guide 124575UG Revision 2 Mitsubishi Electric PC Division Page 11 of 21 2.10 Power Management 2.10.1 Global Power States The ACPI global power states are summarised in the table below. The last three columnsindicate the colour of a tri-colour LED when the red anode is conn...

HU430 NLX Motherboard User Guide 124575UG Revision 2 Mitsubishi Electric PC Division Page 12 of 21 The PIIX4E can support up to 5 ISA slots on the riser. There are an additional two ISA‘loads’ used on the motherboard: the audio and super i/o controllers. 2.11.2 Peripheral Component Interconnect (PCI...

HU430 NLX Motherboard User Guide 124575UG Revision 2 Mitsubishi Electric PC Division Page 13 of 21 2.12.3 PCI Interrupts Channel Device INTA# Slots INTB# Slots INTC# Slots INTD# Video & slots 2.12.4 PCI Device Selection Dev No IDSEL Device Function No Function 0 AD(11) MTXC 4 AD(15) VGA 7 AD(18)...

HU430 NLX Motherboard User Guide 124575UG Revision 2 Mitsubishi Electric PC Division Page 14 of 21 motherboards. The 'width' dimension is the edge adjacent to the system rear panel whichcontains the I/O connectors: Length Width Comments Standard LPX 13.0” 9.0” Spitfire 7.6” 9.0” Small LPX HU430 10.0...

HU430 NLX Motherboard User Guide 124575UG Revision 2 Mitsubishi Electric PC Division Page 15 of 21 Appendix A. Jumpers And Switches Main Jumper Block, PL10 BF1 and BF0 set the processor bus/core multiplier ratio on P54C and P55C processors, andBF2 is present to support the K6. The FS jumper selects ...

HU430 NLX Motherboard User Guide 124575UG Revision 2 Mitsubishi Electric PC Division Page 16 of 21 E x a m p l e - 2 3 3 M H z P 5 5 C A U D I O ( I N = e n a b l e ) V G A ( I N = e n a b l e ) F S ( I N = 6 0 M H z , O U T = 6 6 M H z ) P L 1 0 - C o n f i g u r a t i o n = 0 B F 2 = 1 = 0 = 1 P W...

HU430 NLX Motherboard User Guide 124575UG Revision 2 Mitsubishi Electric PC Division Page 17 of 21 Appendix B. Connector Assignments NLX Riser Edge Connector TBA NLX Supplemental Edge Connector TBA USB, PL15 1 4 1 4 USB Port 0 USB Port 1 1 +5V 2 DATA- 3 DATA+ 4 GND The +5V supply to both connectors ...

HU430 NLX Motherboard User Guide 124575UG Revision 2 Mitsubishi Electric PC Division Page 21 of 21 To cause a reset event to occur, pin 1 must be shorted to ground. 1 Input 2 Ground