PM-7500 MAINBOARD

 

 

KEY FEATURES:
  • Intel TRITON PCI chipset
  • Supports Pentium P54C & P55C CPUs in a 320-pin ZIF socket
  • Supports up to 128MB or main memory
  • Supports Fast Page Mode and EDO DRAM
  • High performance L2 write back cache
  • Provides (4) 32-bit PCI local bus slots and (4) 8/16-bit ISA local BUS slots
  • Onboard UMC UM8663 Super I/O chipset
  • System BIOS supports NCR810 SCSI BIOS firmware and Green features
FEATURES:
Main Chipset
  • Intel Trition PCI chipset
  • Supports 75/90/100/120 & 133MHz Pentium P54C and P55C processors in a 320-pin ZIP processor socket
Memory
  • Supports up to 128MB of main memory
  • Supports both Fast Page Mode and EDO DRAM memory modules
  • High performance L2 write back cache supports Pipeline Burst SRAM or Asynchronous SRAM.
Expansion Slots
  • Provides (4) 32-bit PCI local BUS slots and (4) 8/16-bit ISA local BUS slots
  • All four PCI slots support BUS Mastering mode
Onboard I/O chipset
  • PCI BUS Master IDE interface supports up to four devices with support for PIO modes 0 - 4 and DMA mode 2
  • Supports (2) 16650 UART fast serial ports, (1) SPP, EPP/ECP parallel port and a floppy drive controller with 1MB/s transfer rate.
JUMPER SETTINGS AND HEADER PIN-OUTS:

JUMPER PIN(s) FUNCTION   JUMPER PIN(s) FUNCTION
J1 - Power Supply Conn. 1 Power Good   J2 - Keyboard Conn. 1 Keyboard Clock
  2 +5v DC     2 Keyboard Data
  3 +12v DC     3 Not Used
  4 -12v DC     4 Ground
  5 Ground     5 +5v DC
  6 Ground        
  7 Ground   JP17 - HDD LED 1 +5v
  8 Ground     2 Active low
  9 -5v DC     3 Active low
  10 +5v DC     4 -5v
  11 +5v DC        
  12 +5v DC   JP18 - Reset Switch Open Normal Operation
          Closed System Reset
JP19 - Keylock & Power LED 1 LED Output        
  2 Not Used   JP20 - Speaker Connector 1 Data Out
  3 Ground     2 Not Used
  4 Keylock     3 Ground
  5 Ground     4 +5v
             
JP2, JP3 - Paralle Port DMA 1-2 DMA Ch. 1   JP4 - AT BUS Clock 1-2 CPU Speed / 6
  2-3 DMA Ch. 3     2-3 CPU Speed / 8
             
J10 - Voltage Regulator 1-2 3.5v (VRE)   JP10 - Clear CMOS Open Normal Operation
  2-3 3.3v (STD/VR)     Closed Clear CMOS
             
JP6 & JP7 - CPU Speed 0-1 6 Closed & 7 Open = 66MHz   JP13 & JP22 - CPU Multiplier 0-1 13 Closed & 22 Open = 2.0x
  1-0 6 Open & 7 Closed = 60MHz     1-1 Both Open = 1.5x
  0-0 Both Closed = 50MHz     0-0 Both Closed = 2.5x
          1-0 13 Open & 22 Closed = 3.0x
JP16 - Flash EPROM Voltage Open 5v        
  Closed 12v   JP23 - Battery Selector 1 & 4 External Battery
          2 & 3 Internal Battery

Designs, specifications and package contents are subject to change without notice. Various trademarks belong to their respective owners. Please read the legal notice.

©1997-2000 All rights reserved. Amptron International Inc. 1239 Hatcher Ave., City of Industry CA., 91748 (626) 912-5789