Texas Microsystems, Inc. 2003 - Rev D Con£Iguration

MEMJRY CONFIGURATION
SW1-4 SW1-3 SW1-2 EASE / EXPANDED MEMJRY
cr..a;ED
cr..a;ED
OPEN
cr..a;ED
ZERO ZERO
2561< ZERO
512K ZERO
640K ZERO
OPEN
cr..a;ED
cr..a;ED
cr..a;ED
cr..a;ED
OPEN
cr..a;ED
cr..a;ED
cr..a;ED
OPEN
OPEN
OPEN
OPEN
OPEN
5l2K 5l2K (above 1Mbyte)
640 384K (above 1Mbyte)
SW1-7 SW1-6 SW1-5 FFA'IURE
cr..a;ED ImP ON ~ DIAGNOSTICS
cr..a;ED AI..l:.CWS USE OF n' I<E:YOOARD
X SW1-7 IS gzr USED (always OFF)
RCM CDNFIGURATION
SW1-8 RCM TYPE
OPEN 27128 (32K '!OrAL)
cr..a;ED 27256 (64K '!OrAL) (STANDARD)
Jumpers El, E3 arxi E4 configure the on-board battery, co-processor
clock rate option arxi wait state generator options.
FUNCl'ION JUMPER @ITlNG
BATI'ERY CDNNEC1'ED El-l to El-2
80287 STANDARD cr.cx:::K E3-l to E3-2
E3-6
to E3-4
80287 OPl'IONAL cr.cx:::K E3-l to E3-3
E3-6 to E3-5
2 WAIT STATES ON 16
BIT EXTERNAL MEMJRY E4-l to E4-2
NO WAIT STME GEN. E4-5 to E4-6 (REM:>VE 074)
5.1.6 Configuration - Rev F cro Board
B286 Revision F boards are configured in three ways:
o Soft-configured via CM:>S setup parameters
o SWitch settings on SW1
o Jumpers El, E3, E4, E5, E6, arxi E7
For infonnation regarding soft configuration, refer to Olapter 3,
FiJ:nWcn'e Operation.
SW1 controls the default monitor type, the aIOOllIlt of RAM arxi RCM
contained on the board plus three software readable switches used for
keyboard options arxi the diagnostic loop feature:
PrelimiJary AT Users Manual
26
11/26/86 (11/08/87)