3VCA
A CeleronTM Sockket 370 Processor
based 4X AGP motherboard (133/100/
66MHz)66MHz)
66MHz)
66MHz)66MHz)
SupporSuppor
Suppor
SupporSuppor
ts PC-133 SDRAM Modulets PC-133 SDRAM Module
ts PC-133 SDRAM Module
ts PC-133 SDRAM Modulets PC-133 SDRAM Module
6VBA2
®®
®
A PA P
A P
A PA P
entiumentium
entium
entiumentium
®®
II or P II or P
II or P
II or P II or P
entiumentium
entium
entiumentium
Processor based 4X AGP motherboard
(133/100/66MHz)(133/100/66MHz)
(133/100/66MHz)
(133/100/66MHz)(133/100/66MHz)
SupporSuppor
Suppor
SupporSuppor
ts PC-133 SDRAM Modulets PC-133 SDRAM Module
ts PC-133 SDRAM Module
ts PC-133 SDRAM Modulets PC-133 SDRAM Module
®®
®
®®
III Slot1 III Slot1
III Slot1
III Slot1 III Slot1
TRADEMARK
All products and company names are trademarks or registered
trademarks of their respective holders.
These specifications are subjected to change without notice.
Manual Revision 1.0
October 28, 1999
FEATURES
3VCA/6VBA2 Features:
•3VCA is based on the Intel CeleronTM Processor operating at 300 ~
600MHz on PGA370. The board is configured by an ESSJ (Easy-SettingSingle-Jumper) to match your CPU clock speed.
®
•6VBA2 is based on the Pentium
733MHz on Slot1. The board is configured by an ESSJ (Easy-SettingSingle-Jumper) to match your CPU clock speed.
• Designed with VIA Apollo Pro 133A PCIset.
• Supports up to 768MB of DRAM (minimum of 8 MB) on board (please
see Section 3-2).
3VCA/6VBA2 will support Error Checking and Correcting (ECC)
•
when using parity SDRAM memory modules. This will detect multiple bit
errors and correct 1-bit memory errors.
II/III Processor operating at 266 ~
Features3VCA/6VBA2
• Supports (1) 16 bit ISA slots, (5) 32 bit PCI slots, (1) 4X AGP slot, (1) AMR
slot and provides (2) independent high performance PCI IDE interfaces
capable of supporting PIO Mode 3/4 and Ultra DMA 33/66 devices.
The 6VBA2 supports (5) 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 on chip 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
Page 2
Features 3VCA/6VBA2
• 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).
•3VCA/6VBA2 utilizes a Lithium battery which provides environmental
protection and longer battery life.
• Supports the (4) Universal Serial Bus (USB) Ports. The onboard
VT82C686A chip provides the means for connecting PC peripherals such
as; keyboards, joysticks, telephones, and modems.
• Built-in ATX 20-pin power supply connector.
• Software power-down when using Windows
®
95/98.
• 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 Keyboard power ON function (KBPO).
• Built-in WOL (Wake-up On Lan) Connector.
• Built-in WOM (Wake-up On Modem) Connector.
• Built-in AC97 PCI Audio.
Page 3
Installation 3VCA/6VBA2
3VCA Detailed Layout
Page 4
Installation 3VCA/6VBA2
6VBA2 Detailed Layout
Page 5
Installation3VCA/6VBA2
Easy Installation Procedure
Easy Installation Procedure
The following must be completed before powering on your new system:
Configured Jumpers
System memory Configuration
Device Connectors
Configure Jumpers
We design this motherboard with the fewest jumpers to make your installation fast
and easy.
The following will describe all of the jumpers that you are required to set before
moving on to step 2.
ON
SW1
1234
1234 oitaRzHM66zHM001zHM331
NONONOX3002003004
NONOX5.3332053764
NONONOX6004006008*
NONOX5.6334056*768*
NONOX7664007*
NOX5.7005057*
1WS)zHM(UPC
NONONOX4662004335
NONOX5.4003054006
NONOX5333005766
NONOX8335*008*
JP1 Clear COM S
1-2 : Normal(default)
2-3 : Clear CMO S
JP4 K eyboard P o w er-ON F unction Se lection
1-2 : Disabled(default)
2-3 : Enabled
NOX5.5663055337
*reserved
Page 6
Installation 3VCA/6VBA2
System Memory Configuration
Memory Layout
The 3VCA/6VBA2 supports (3) PC133 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
125MHz (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.
Figure 2 and Table 1 show several possible memory configurations using both
SIMM and DIMM.
DIMM 1
DIMM 2
DIMM 3
Figure 2
Bank 0/1
Bank 2/3
Bank 4/5
-Synchronous
-EDO
yromeMlatoT
BM652=
mumixaM
BM215=
mumixaM
BM867=
mumixaM
*MARDS/ODE
*MARDS/ODE
*MARDS/ODE
1MMID
)1/0knaB(
,BM46,BM23,BM61,BM8
1XBM652,BM821
,BM46,BM23,BM61,BM8
1XBM652,BM821
,BM46,BM23,BM61,BM8
1XBM652,BM821
enoNenoN
2MMID
)3/2knaB(
*MARDS/ODE
,BM46,BM23,BM61,BM8
1XBM652,BM821
*MARDS/ODE
,BM46,BM23,BM61,BM8
1XBM652,BM821
3MMID
)5/4knaB(
enoN
*MARDS/ODE
1XBM652,BM821
Table 1
* SDRAM only supports 8, 16, 32, 64, 128, 256MB DIMM modules.
* We recommend to use PC100 Memory Module for bus speed between 66MHz
and 100MHz and PC133 Memory for bus speed over 100MHz.
* Using non-compliant memory with higher bus speed (over clocking) may
severely compromise the integrity of the system.
Page 7
,BM46,BM23,BM61,BM8
Installation 3VCA/6VBA2
Device Connectors
Please install the motherboard into the chassis.
Now that your motherboard is installed you are ready to connect all your connections (figure 7).
parallel port
Joystick/Midi port
PS/2 Mouse
PS/2
KEYBOARD
J2,J3: Chassis Panel Connector
• Power LED, Speaker, Reset, Turbo LED, HDD LED, IR Conn., Sleep/
Power_ON
J4: CPU Fan Power
• A plug-in for the CPU Fan Power
J6: Chassis Fan Power
• A plug-in for the chassis Fan Power
J7: WOL (Wake On Lan) Connector
J8: WOM (Wake On Modem) Connector
IDE1: Primary IDE Connector
IDE2: Secondary IDE Connector
FDD1: Floppy Controller Connector
PW1: ATX Power Connector
• 20-pin power connector
CD1: CD Audio Connector
AUX1: AUX Audio Connector
MODEM1: Telephony Connector
• Pin1(Audio_in), Pin2/Pin3(GND), Pin4(Mic-out to Modem)
USB port
COM1 COM2
Figure 7
Speaker
Line_in
MIC
Page 8
Device Connectors (continued)
(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, there is a special feature to make the system to go into
suspend mode when the button is pressed momentarily).
J3
+
+
Power On/Off
1
Turbo LED indicator - LED ON when higher speed is selected
IDE LED indicator - LED ON when Onboard PCI IDE Hard disks
is activate
IR Connector
1. VCC 4. GND
2. NC 5. IRTX
3. IRRX
1
Installation3VCA/6VBA2
J2
Power LED - Power LED connector
1. Power LED(+) 4. NC
2. N/C 5. GND
3. GND
1
Speaker -
Connect to the system's speaker for beeping
1. Speaker 3. GND
2. N/C 4. GND
1
Reset - Closed to restart system.
1
Page 9
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