BVME4000/6000
14
Copyright
1993,1995,1998,2001 BVM Ltd.
5.2.5
LK5 CPU Cache Inhibit
Figure 8 LK5
CPU Cache
Inhibit Location
This link disables the MC68040/68060's on chip data and instruction caches to allow (for example)
emulators to be used with the BVME4000/6000.
LK5
Function
1 & 2 Fitted
MC68040/68060 CACHES DISABLED
1 & 2 Omitted
#
MC68040/68060 CACHES ENABLED
5.2.6
LK6 Cheapernet Heart Beat Enable
Figure 9 LK6 Cheapernet
Heart Beat Enable
Location
This link allows the CHEAPERNET Heartbeat function to be enabled.
LK6
Function
1 & 2
#
Normal operation - Heartbeat Disabled
2 & 3
Heartbeat Enabled
Note: this link is not fitted for the optional 10BaseT operation.
VME BUS
CONTROLLER
MC68040
OR
MC68060
M3 M2
LK5
IC 2
INTERRUPT
CONTROLLER
ABORT
RESET
LEDS
SERIAL B
2
1
PERIPHERAL
CONTROLLER
LK6
XM1
CHEAPERNET
CONFIG
SWITCH
SERIAL A
LOW
PROM
3
2
1
ADDRESS
MAP
CONTROLL