Lattice Programming Port (J5); Orb_Gnd Selection; Vga Enable; Switch Settings - Xycom XVME-655 Manual

Lattice Programming Port (J5)

This jumper is reserved for Xycom use.

ORB_GND Selection

VGA Enable

Switch Settings

The XVME-655 has one eight-position switch, as described in Table Chapter 2 -2. (
indicates the default setting.)
Position Open
1 VME resets only VME interface
2 Front panel toggle switch
causes no VMEbus reset
Ö Sysfail asserted on VME
3
reset
Ö CMOS okay
4
5 Front panel toggle switch
causes no CPU reset
Ö Upper Flash BIOS
6
Ö Keyboard as input
7
Ö Color
8

Registers

The XVME-655 contains two I/O ports: 219h and 218h.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
B B 50 MHz (75)
A B 60 MHz (90/120/150)
B A 66 MHz
(100/133/166/200/
200 MMX/233 MMX)
A A Undefined
J8 ORB_GND Connected to Digital GND
A No
B Yes
J1 VGA Enable
A Enable
B Disable
Table Chapter 2 -2. Switch Settings
Closed
Ö VME reset causes CPU and VME interface reset
Ö Front panel toggle switch causes VMEbus reset
Sysfail not asserted on VME reset
CMOS cleared by BIOS
Ö Front panel toggle switch causes CPU reset
Lower Flash BIOS
Keyboard inhibit
Monochrome
Chapter 2 – Installation
Ö
2-3