User`s manual

60
Appendix E Key West Jumpers (listed by Jumper number)
Following is a list of the jumper locations on the Key West PCB. The jumpers are listed in
numerical order.
JP1 Disable Tahoe MQ-200
JP2 System CPLD (6 pin SIP connector)
JP3 N/A
JP4 N/A
JP5 66 MHz System clock source
JP6 33 MHz PCI clock source
JP7 PCI Clock Frequency (16.6/33 MHz)
JP8 System Clock Frequency (33/66 MHz)
JP9 66 MHz clock to Tahoe
JP10 N/A
JP11 ATX Power Supply Enable
JP12 N/A
JP13 N/A
JP14 System Flash Write Enable
JP15 Harp JTAG (JP28) Enable
JP16 N/A
JP17 JTAG – N/A
JP18 JTAG – N/A
JP19 N/A
JP20 N/A
JP21 JTAG PCI Bypass
JP22 N/A
JP23 N/A
JP24 N/A
JP25 Audio output (Miniature connector -- 2 pins)
JP26 Local JTAG Enable
JP27 Hitachi JTAG /E10A (14 pin DIP connector)
JP28 Harp JTAG (6 pin connector)
JP29 ADC/DAC pins (AN4 to AN7)
JP30 PCI CPLD (6 pin SIP connector)
JP31 AutoPC Interrupt Enable
JP32 N/A
JP33 N/A
JP34 N/A
JP35 PCMCIA / PCI Select (for CS5 and CS6 addressing space)
JP36 AutoPC Interrupt Connector (10 pin DIP)
JP37 Expansion connector (200 pins)
JP38 CompactPCI System Slot Indicator
JP39 AutoPC Power Selection
JP40 PCI Boot EEPROM Flash Write Enable
JP41 Clock skew: SDRAM Clk/Companion Chips/Off-board clocks
JP42 Clock skew: SDRAM Clk/Companion Chips/Off-board clocks
JP43 AUD Connector (10 pin)
R123 Big Endian / Little Endian (7709A/7729 MD5 signal) (bottom side of PCB)
External Connectors
J1 ATX Power Connector
J2 Parallel Port Connector (25 pin female)
J3 PS/2 Mouse Connector (5 pin DIN female)
J4 PS/2 Keyboard Connector (5 pin DIN female)