ExpertBoard EXP8C49 User manual

EXP8C49
User’s Manual
(Date 8/11/95

TABLE OF CONTENT
CHAPTER 1 INTRODUCTION.........................................1
1.1 OVERVIEW...........................................................1
1.2 SYSTEM FEATURES...........................................1
1.3 SYSTEM SPECIFICATION...................................2
1.4 SYSTEM PERFORMANCE...................................2
1.5 EXP8C49 BOARD LAYOUT.................................3
CHAPTER 2 IN TALLATION..............................................................4
2.1 DRAM INSTALLATION.........................................4
2.2 SRAM INSTALLATION.........................................6
2.3 CPU INSTALLATION............................................8
2.4 OTHER UMPER AND CONNECTOR
INSTALLATION..........................................................13
CHAPTER 3 Y TEM BIO ETUP.................................................16
3.1 SYSTEM SETUP................................................18
3.2 UTILITY...............................................................30
3.3 DEFAULT............................................................35
APPENDIX..........................................................39
RMA FORM

EXP8C49 User’s Manual
CHAPTER 1
INTRODUCTION
1.1 OVERVIEW
The EXP8C49 is complemented by a 512KB second level Write-Back
cache providing workstation level computing performance, and SIMM
sockets support up to 64MB of DRAM.
The EXP8C49 motherboard offers outstanding I/O capabilities. Three
PCI Local Bus slots provide a high bandwidth data path for data-
movement intensive function such as Graphics. Four ISA slots complete
the I/O mix.
The EXP8C49 motherboard provides the foundation for cost effective,
high performance, highly expandable platforms which deliver the latest in
CPU and I/O technologies.
1.2 S STEM FEATURES
qCYRIX, DX2, DX4, 5x86, QFP CPU
qSupports H/W GREEN/WAKE UP Switch
qSupports EDO DRAM
qSupports L1/L2 Write Back/Write Through Cache Feature
qSupports 3 MASTER PCI Bus
qSupports 128KB/256KB/512KB Cache Size
qSupports 72pin SIM MODULES
qSupports SMI/SMM/PMU/APM Power Controllers
qEnchanced PCI IDE on Board (Two Channels)
qSupports 2S1P, Floppy on Board
qBIOS has been Hardware Integrated with Enhanced IDE Driver
for Best Hard Disk Performance
qSupports Parallel Port EPP/ECP Mode
1

EXP8C49 User’s Manual
1.3 S STEM SPECIFICATIONS
Processor: CYRIX CX486 DX2/DX4, 5x86 QFP CPU
CPU Clock: 25/33/40 MHz CPU
Memory: Up to 64MB
Memory Configuration: 1MB/2MB/4MB/8MB/16MB/32MB/64MB
SRAM Configuration: 128KB/256KB/512KB
BIOS Subsystem: AMI BIOS
I/O Subsystem No. Slot: Four 16-bit ISA Bus and three PCI Bus
Dimension: 22cm x 22cm, 1/2 Baby AT Size
Additional Features
Miscellaneous Connectors: Reset Button, Internal Battery, Turbo
SW, Flash LED(Turbo LED) for Power
Green
Board Design: Four-layer Implementation for Low Noise
Operation
1.4 S STEM PERFORMANCE
SOFTWARE
CP TYPE LANDMARK
V2.0
POWER
METER
V1.8 MIPS
NORTON
V8.0
CP SPEED
CYRIX 486 DX4 -
100MHz
328.33MHz 28.4MIPS 169.0
CYRIX 5x86 -
100MHz
420.95MHz 35.5MIPS 262.7
CYRIX 5x86 -
120MHz
507.41MHz 43.1MIPS 316.7
2

EXP8C49 User’s Manual
1.5 EXP8C49 BOARD LA OUT
1
3
SM1 SM2 SM3
SM4
KEYBO
ARD
B
T
1
CO
M1
CO
M2
M1489
A1
CP
J P1
5
1
5
1
4
J P
39
J P
40
P
1
P
2
1
21
2
25
26
40
39
FD
C1
PR
N1
M1487 A1
W83
768
W837
87 1
4
J P
12 PCI
2
P
CI
3
PCI
1
J
1
2
1
91
0
2
1
91
0
MOUS
E
3
J P4
1
1
1
1
3
3
J P
5J P
6
¯
J P
4
J
P
9
J P
11
3
1
J P
13
J P1
6
J P1
8
J P1
9
3
1
J P
21
J P
17
U
1
7
U
1
6
U
1
5
U
1
4
1
2
6
5
6
6
J P
29
J P
37
U
22
U
1
3
1
2
40
39
ID
E1
ID
E2
1
2
40
39
27
01
0
8042
J P
42 3
1
J P2
0
3
1
U
1
2
J P
23
3
1J P
32
3
1
J P
24
13
J P
35
4
3
2
1
BAN
K 1
BAN
K 0 BAN
K 0
3
1
U
10

EXP8C49 User’s Manual
4
RES
ET
J
3
SP
K
KEYL
OCK
J
3
RES
ET J
4
T/
LE
D
J
5
T/
S
1
2
6
5
6
6
HDDL
ED
J
7
J
6J
2

EXP8C49 User’s Manual
CHAPTER 2
INSTALLATION
Before the system is ready to operate, the hardware must be set up for
various functions of the system. To set up the EXP8C49 motherboard is
a simple task. The user only has to set a few jumpers, connectors and
sockets.
2.1 DRAM INSTALLATION
The EXP8C49 main board can support expanded memory from 1MB to
64MB. Either 1MB, 2MB, 4MB, 8MB,16MB, 32MB, SIM Modules can be
used on the EXP8C49 motherboard.
n The board layout below shows the locations of the DRAM
memory banks :
5
SM1 SM2 SM3
SM4
SM1
SM4
SM2
SM3

EXP8C49 User’s Manual
.The motherboard consists of four memory
banks, SM1, SM2, SM3 or SM4 .
n TABLE 1
SM1 SM2 SM3 SM4
TOTAL
MEMORY
4MB None None None 4MB
4MB 4MB None None 8MB
4MB 4MB 4MB None 12MB
8MB 4MB None None 12MB
8MB 8MB None None 16MB
16MB None None None 16MB
16MB 4MB None None 20MB
16MB 4MB 4MB None 24MB
16MB 4MB 4MB 4MB 28MB
16MB 16MB None None 32MB
16MB 16MB 4MB None 36MB
16MB 16MB 4MB 4MB 40MB
16MB 16MB 16MB None 48MB
16MB 16MB 16MB 4MB 52MB
16MB 16MB 16MB 16MB 64MB
32MB 32MB None None 64MB
6

EXP8C49 User’s Manual
2.2 SRAM INSTALLATION
CACHE CONFIG RATION SIZE
128K
TAG
RAM
DATA
RAM
U10
8KX8
U14-U17
32KX8
7
J P2
0
J P1
7
J P4
2
J P3
7
l
l
1 2
3
M1489
A1
SP
K
KEYL
OCK
CP
J P1
5
J
3
RES
ET J
4
T/
LE
D
J
5
T/
S
1
5
1
4
J P
39
J P
40
M1487 A1
J P1
6
J P1
8
J P1
9
3
1
J P
21
J P
17
U
1
7
U
1
6
U
1
5
U
1
4
1
2
6
5
6
6
J P
29
J P
37
U
22
U
1
3
27
01
0
J P
42 3
1
HDDL
ED
J P2
0
J
7
J
6
U
1
2
J P
23
3
1J P
32
3
1
J
2
J P
24
13
J P
35
4
3
2
1
3
1
3
2
1
l
l
U
10

EXP8C49 User’s Manual
or
128K
TAG
RAM
DATA
RAM
U10
8KX8
U13
32KX32
256K
TAG
RAM
DATA
RAM
U10
16KX8,
32KX8
U14-U17
64KX8
or
256K
TAG
RAM
DATA
RAM
U10
16KX8,
32KX8
U14-U17
32KX8
U22
32KX32
or
J 256K
TAG
RAM
DATA
RAM
8
J P2
0
J P
17
J P4
2
J P3
7
l
l1 2
3
J P2
0
J P1
7
J P4
2
J P3
7
J P2
0
J P1
7
J P4
2
J P3
7
J P2
0
J P1
7
J P4
2
J P3
7
1 2
3
l
l
l
l
l
l
1 2
3
l
l
1
2
6
l
l
5
6
6
l
l
3
2
1
l
l
3
2
1
l
l
3
2
1
l
l
3
2
1
l
l

EXP8C49 User’s Manual
U10
16KX8,
32KX8
U13, U22
32KX32
512K
TAG
RAM
DATA
RAM
U10
32KX8
U14-U17
128KX8
J Default Setting
9
J P
20
J P
17
J P4
2
J P3
7
l
l
l
l
1 2
3
1 2
3
l
l
3
2
1
l
l

EXP8C49 User’s Manual
2.3 CPU INSTALLATION
CYRIX 5x86 (MISC)
10
J P
32
J P
35
J P
23
l
l
M1489
A1
SP
K
KEYL
OCK
CP
J P1
5
J
3
RES
ET J
4
T/
LE
D
J
5
T/
S
1
5
1
4
J P
39
J P
40
M1487 A1
J P1
6
J P1
8
J P1
9
3
1
J P
21
J P
17
U
1
7
U
1
6
U
1
5
U
1
4
1
2
6
5
6
6
J P
29
J P
37
U
22
U
1
3
27
01
0
J P
42 3
1
HDDL
ED
J P2
0
J
7
J
6
U
1
2
J P
23
3
1J P
32
3
1
J
2
J P
24
13
J P
35
4
3
2
1
l
l
l
l
4
2
3
1
3
2
1
3
2
1
U
10

EXP8C49 User’s Manual
CYRIX 486DX2/DX4
11
M1489
A1
SP
K
KEYL
OCK
CP
J P1
5
J
3
RES
ET J
4
T/
LE
D
J
5
T/
S
1
5
1
4
J P
39
J P
40
M1487 A1
J P1
6
J P1
8
J P1
9
3
1
J P
21
J P
17
U
1
7
U
1
6
U
1
5
U
1
4
1
2
6
1
2
6
5
6
6
5
6
6
J P
29
J P
37
U
22
U
1
3
27
01
0
J P
42 3
1
HDDL
ED
J P2
0
J
7
J
6
U
1
2
J P
23
3
1J P
32
3
1
J
2
J P
24
13
J P
35
4
3
2
1
J P
32
J P
35
J P
23 l
l
l
l
4
2
3
1
3
2
1
3
2
1
l
l
3
1
U
10

EXP8C49 User’s Manual
FREQ ENCY SETTING
25MHz 33MHz
12
1
2
6
5
6
6
M1489
A1
SP
K
KEYL
OCK
CP
J P1
5
J
3
RES
ET J
4
T/
LE
D
J
5
T/
S
1
5
1
4
J P
39
J P
40
M1487 A1
J P
12 PCI
2
PCI
1
3
J P4
1
1
J P
11
3
1
J P
13
J P1
6
J P1
8
J P1
9
3
1
J P
21
J P
17
U
1
7
U
1
6
U
1
5
U
1
4
1
2
6
5
6
6
J P
29
J P
37
U
22
U
1
3
1
2
40
39
ID
E1
ID
E2
1
2
40
39
27
01
0
J P
42 3
1
HDDL
ED
J P2
0
J
7
J
6
U
1
2
J P
23
3
1J P
32
3
1
J
2
J P
24
13
J P
35
4
3
2
1
3
1
U
10

EXP8C49 User’s Manual
J 40MHz (OR) 40MHz
NOTICE:
The PCI clock specification sho ld be nder 33MHz. (Incl ding 33MHz) If yo enco nter
an nstable problem when yo se the defa lt setting, we s ggest yo to choose another
setting for PCI clock.
J Default Setting
13
l
l
J P1
2
J P1
1
J P1
6
J P1
3
l
l
J P1
23
2
1
J P1
1
J P1
6
J P1
3
l
l
J P1
2
J P1
1
J P1
6
J P1
3
l
l
l
l
l
l
J P1
2
J P1
1
J P1
6
J P1
3
l
l
l
l
l
l
3
2
1
3
2
1
3
2
1
1
2
6
5
6
6

EXP8C49 User’s Manual
CP POWER VOLTAGE
J 3.45V 3.6V 3.3V
14
M1489
A1
SP
K
KEYL
OCK
CP
J P1
5
J
3
RES
ET J
4
T/
LE
D
J
5
T/
S
1
5
1
4
J P
39
J P
40
M1487 A1
J P1
6
J P1
8
J P1
9
3
1
J P
21
J P
17
U
1
7
U
1
6
U
1
5
U
1
4
1
2
6
5
6
6
J P
29
J P
37
U
22
U
1
3
27
01
0
J P
42 3
1
HDDL
ED
J P2
0
J
7
J
6
U
1
2
J P
23
3
1J P
32
3
1
J
2
J P
24
13
J P
35
4
3
2
1
3
1
U
10

EXP8C49 User’s Manual
J Default Setting
2.4 OTHER JUMPER SETTING
15
l
l
l
l
5
3
1
5
3
1
J P
29
J P
29 6
4
2
6
4
2
l
l
5
3
1
J P
29 6
4
2 l
l
5
3
1
J P
29 6
4
2
KEYBO
ARD
B
T
1
CO
M1
CO
M2
1
2
6
5
6
6
SP
K
KEYL
OCK
J P1
5
J
3
RES
ET J
4
T/
LE
D
J
5
T/
S
1
5
1
4
J P
39
J P
40
P
1
P
2
M1487 A1
W83
768
W837
87 1
4
J P
12
J
1
2
1
91
0
2
1
91
0
MOUS
E
3
J P4
1
1
1
1
3
3
J P
5J P
6
¯
J P
4
J
P
9
J P
11
3
1
J P
13
J P1
6
J P1
8
J P1
9
3
1
J P
21
27
01
0
8042
J P
42 3
1
HDDL
ED
J P2
0
J
7
J
6
3
1
J
2

EXP8C49 User’s Manual
INTERNALKEYBOARD CONTROL
JP19 JP39 JP40
J ENABLE
DISABLE
J Default Setting
OTHER J MPER DESCRIPTION
16
RES
ET
J
3
l
l
l
l
l
l
U
10

EXP8C49 User’s Manual
J MP
ER
DESCRIPTION
JP5 EPP & ECP Function
1-2 DRQ1 2-3 DRQ3
JP6 EPP & ECP Function
1-2 DACK1 2-3 DACK 3
JP9 Printer Port
1-2 for IRQ 5 2-3 for IRQ 7
JP15 External Stop Buttom
JP21 1-2 for 5V Flash Rom 2-3 for 12 V Flash Rom
CONNECTOR DESCRIPTION
CONNEC
TOR
PIN O T SIGNAL NAME
J1 1-2 Clear CMOS
2-3 For Normal
1-4 External Battery Connector
(1: Ground)
(4: External Battery Power In)
J2 On Board IDE
LED
J3 : 1
2
Ground
Reset In
17
1 2 3 4

EXP8C49 User’s Manual
RESET
J4 :
TB-LED
1
2
+Anode
-Cathode
J5 :
T RBO
SWITCH
J6 :
KEY
LOCK
1
2
3
4
5
Power LED
Not Used
Ground
Keyboard Inhibitor
Ground
J7 :
SPEAKER
1
2
3
4
+5V DC
Data Out
Data Out
Data Out
KB1:
KEYBOAR
D
CONNECT
OR
1
2
3
4
5
Keyboard Clock
Keyboard-Data
Space
Ground
+5V
P1 & P2 :
POWER
CONNECT
OR
1
2
3
4
5,6,7,8
9
10,11,12
Power Good
+5V DC
+12V DC
-12V DC
Ground
-5V DC
+5V DC
IDE1,
IDE2
On Board IDE
Connector
FDC1 Floppy Connector
PRN1 Printer Connector
J Default Setting
CHAPTER 3
S STEM BIOS SETUP
18
l
lTurbo Speed
Normal
Speed J