
Date: March 29, 1996 Sheet 5 of 23
Size Document Number
REV
B
ElanSC300/310 Evaluation Board
2.2
Title
33 MHz RPAK option,MCS16# decode,BAUDOUT opt
AMD Proprietary/All Rights Reserved
(800) 222-9323
Austin, Texas 78741
5204 E. Ben White Blvd.
(C) Advanced Micro Devices, Inc.
33D[0..15]
D[0..15]
D8
D9
D10
D11
D12
D13
D14
D15
33D8
33D9
33D10
33D11
33D12
33D13
33D14
33D15
R310
0
R311
0
R312
0
R313
0
R314
0
R315
0
R316
0
R317
0
SA[13..23]
VCCSYS5
MCS16# Decode
MCS16#
R296
0
MCS16#
AEN
R373
0
VCCSYS5
128K/64K#
SA16
SA17
SA18
SA19
SA20
SA21
SA22
SA23
I1
1
I2
2
I3
3
I4
4
I5
5
I6
6
I7
7
I8
8
I9
9
I10
11
O1
19
O2
18
O3
17
O4
16
O5
15
O6
14
O7
13
O8
12
V
C
C
2
0
U50
*16L8-5
20-DIP Socket
GND
R245
100K
1 2
JP22
*HEADER 2
33D1
33D2
33D3
33D4
33D5
33D6
33D7
R318
0
R319
0
R320
0
R321
0
R322
0
R323
0
R324
0
R325
0
D1
D2
D3
D4
D5
D6
D7
D0
33D0
GND
1 2
JP23
*HEADER 2
Place PAL close to ELAN to minimize trace length on address lines.
VCCSYS5
Install JP22 & Remove JP23 to enable MCS16# to addr FF0000-FFFFFE (64K)
Remove JP22 & JP23 to enable MCS16# to addr FFE000-FFFFFE (128K).
ENA/DIS#
R246
100K
Install JP23 to disable PAL.
* - Indicates component removed from Bill of Material
33SA[12..23]
33SA23
R326
*0
R327
*0
SA23
SA[13..23]
SA[0..12]
SA13
SA14
SA15
SA16
SA17
SA18
SA19
SA20
SA21
SA22
33SA13
33SA14
33SA15
33SA16
33SA17
33SA18
33SA19
33SA20
33SA21
33SA22
R328
*0
R329
*0
R330
*0
R331
*0
R309
*0
R332
*0
R333
*0
R334
*0
R335
*0
R336
*0
AFDT#
R236
*0
BAUDOUT
R237
0
14MOUT
If using ElanSC300 rev A, always install R237 and Depop R236.
If using ElanSC300 rev B or ElanSC310 with the parallel port,
install R237 and depop R236.
If using ElanSC300 rev B or ElanSC310 without the parallel port,
install R236 and depop R237.
Note: (only one resistor can be populated).
SRCS2#
SRCS3#
SRCS0#
SRCS1#
SRCS2#
SRCS3#
SRCS0#
SRCS1#
33SA12
R340
0
R337
*0
R338
*0
R339
*0
CAS0L#
CAS0H#
CAS1L#
CAS1H#
CAS0L#
CAS0H#
CAS1L#
CAS1H#
SA12
* - Note: if using ElanSC310, do not populate R309 and R326 - R339.
Removing Resistors will disable local bus video connector and SRAM sockets.
Depop Resistors R309-R340 when running internal CGA mode at 33 MHZ to minimize capacitive loading on DRAM signals.
ElanSC300 Only: Place Resistors R309-R340 as close as possible to ELAN.