EPOX LXR Manuel utilisateur
TRADEMARK
All products and company names are trademarks or
registered trademarks of their respective holders.
These specifications are subject to change without
notice.
Manual Revision 2.3
June 25, 1998
LXR
LXRLXR
LXR
APentium®®®®®IIProcessorbasedAGPmotherboard
FeaturesLXR
Page 2
FEATURES
LXR Features:
•LXR is based on the Pentium®II Processor operating at 233 ~ 333 MHz
on Slot 1. The board is configured by an DIP Switch to match your CPU
clock speed.
•Designed with Intel’s 82443 LX (or 82443 EX) AGPset.
•Supports up to 256MB of DRAM (minimum of 8 MB) on board
•LXR will support Error Checking and Correcting (ECC) when using
parity DRAM memory modules. This will detect multiple bit errors and correct
1-bit memory errors.
•Supports (2) 16 bit ISA slots, (3) 32 bit PCI slots, (1) AGP slot and provides
(2) independent high performance PCI IDE interfaces capable of supporting
PIO Mode 3/4 and Ultra DMA 33 devices. The LXR supports (3) PCI
Bus Master slots and a jumperless PCI INT# control scheme which reduces
configuration confusion when plugging in PCI card(s).
•Supports ATAPI (e.g. CD-ROM) devices on both Primary and Secondary IDE
interfaces.
•Designed with Winbond W83977TF Multi I/O: (1) floppy port, (1) parallel port
(EPP, ECP), and (2) serial ports (16550 Fast UART).
Note: Japanese “Floppy 3 mode” is also supported
•Features Award Plug & Play BIOS. With Flash Memory you can always
upgrade to the current BIOS as they are released. (http://www.2themax.com/
please visit our Technical Support section for the latest updates)
•LXR utilizes a Lithium battery which provides environmental protection
and longer battery life.
FeaturesLXR
Page 3
•Supports the Universal Serial Bus (USB) Header. The onboard PIIX4/PIIX4E
chip provides the means for connecting PC peripherals such as; keyboards,
joysticks, telephones, and modems.
•Built-in ATX 20-pin and AT 12-Pin power supply connector.
•Software power-down when using Windows®95.
•Supports ring-in feature (remote power-on through external modem,
allows system to be turned on remotely.
•Resume by Alarm - Allows your system to turn on at a preselected time.
•Power Loss Recovery - In the event of a power outage your system will
automatically turn itself back on without user intervention.
•Supports CPU Hardware sleep and SMM (System Management Mode).
•Supports Desktop Management Interface (DMI) facilitating the management
of desktop computers, hardware and software components and peripherals,
whether they are stand-alone systems or linked into networks. (option)
•Built-in WOL (Wake-up On LAN) Connector.
• Built-inSB-LinkConnector.
InstallationLXR
Page 3-1
Figure 1
LXR Detailed Layout
Section 3
INSTALLATION
AGP SLOT
PCI Slot #3
PCI Slot #2
PCI Slot #1
ISA Slot #1
ISA Slot #2
AT Power Input
Intel
443LX/443EX
PCIset
CPU Cartridge SLOT 1
J6
Chassis FAN
J5
Power Fanr
J4
CPU FAN
LXR
Secondary IDE
Battery
Flash Memory
for BIOS
RESET
SPEAKE RKEYLOCK J2
J3
POWER_ON
TB/ LED
HD/LED
IR CONN.
1
IDE2IDE1
DIMM 2
DIMM 1 Bank 0
Bank 1
USB1
15
J8
JP4
ON
PS/2
1
J7
WOL
SB-Link
InstallationLXR
Page 5
Easy Installation Procedure
Easy Installation Procedure
The following must be completed before powering on your new system:
Configure DIP Switch and Jumper to match your hardware
Install memory chips
Device Connectors
Configure DIP Switch
2theMax designs all motherboards with a DIP Switch to make your install fast and easy.
The following will describe all of the DIP Switch that you are required to set before
moving on to step 2.
Note: The DIP Switch as depicted as shown (Figure 1) in their correct
physical orientation.
SW1
1234
CPU
ON ON 233
ON ON ON 266
ON ON 300
ON ON 333
1234
ON
S
W1
JP4 JP4 Bus Clock
1-2 68MHz
2-3 75MHz
OPEN 66MHz
InstallationLXR
Page6
System Memory Configuration
Memory Layout
The LXR supports (2) 168-pin DIMMs (Dual In-line Memory Module). The
DIMMs can be either EDO (Enhanced Data Out) or SDRAM (Synchronized
DRAM).
• DIMM SDRAM may be 83MHz (12ns), 100MHz (10ns) or
120MHz (8ns) bus speed.
• If you use both 50ns and 60ns memory you must configure
your BIOS to read 60ns.
• When using Synchronous DRAM we recommend using the
4 clock variety over the 2 clock.
• Fast Page Mode DRAM (FPM) is not supported by the LX
(or EX) AGPset. Only EDO and SDRAM are supported.
Figure 2 and Table 1 show several possible memory configurations using both SIMM
and DIMM.
DIMM 1
DIMM 2
Bank 0
Bank 1
InstallationLXR
Page 7
* SDRAM only supports 8, 16, 32, 64, 128MB DIMM modules.
Table 1
yromeMlatoT 1MMID )0knaB( 2MMID )1knaB(
BM652= mumixaM
*MARDS/ODE ,BM23,BM61,BM8 1XBM821,BM46
*MARDS/ODE ,BM23,BM61,BM8 BM652,BM821,BM46 1X
BM821= mumixaM
*MARDS/ODE ,BM23,BM61,BM8 1XBM821,BM46 enoN
InstallationLXR
Page 8
Device Connectors
Please install the motherboard into the chassis.
Now that your motherboard is installed you are ready to connect all your connections
(figure 12).
J2: Chassis Panel Connector
• Keylock, Speaker, Reset
J3: Turbo LED, HDD LED, IR Conn., Sleep/Power_ON
J4: CPU Fan Power
• A plug-in for the CPU Fan Power
J5: Power Supply Fan Monitoring
• A plug-in for the Power supply so that BIOS can monitor the RPM’s
J6: Chassis Fan Power
• A plug-in for the chassis Fan Power
J7: WOL Connector
J8: SB-Link Header
PS1: PS2 Mouse Header
USB1: USB Header
IDE1: Primary IDE
IDE2: Secondary IDE
FDD1: Floppy Controller Connector
Figure 12
USB
COM2
COM1
PS/2 Mouse Conn
LPT
KB Conn.
InstallationLXR
Page 9
Power On/Off - This is connected to the power button on the case.
Using the Soft-Off by Pwr-BTTN feature, you can choose either
Instant Off (turns system off immediately), or 4 sec delay (you need to
hold the button down for 4 seconds before the system turns off). When
the system is in 4 sec delay mode, 2theMax has added a special feature to
make the system go into suspend mode when the button is pressed
momentarily.
J2
Device Connectors (continued)
Speaker - Connect to the system's speaker for beeping
1. Speaker 3. GND
2. N/C 4. GND
Reset - Closed to restart system.
Turbo LED indicator - LED ON when higher speed is selected
IR Connector
1. VCC 4. GND
2. NC 5. IRTX
3. IRRX
IDE LED indicator - LED ON when Onboard PCI IDE Hard disks is
activate
KeyLock - Keyboard lock switch & Power LED connector
1. Power LED(+) 4. Keylock
2. N/C 5. GND
3. GND
J3
1
+
+
1
1
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