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ECS L4S5A Review (1)
Overclocker 22 Mar 2001
SiS's best partner ECS brings out another low
cost Pentium 4 board based on the SiS645 chipset. L4S5A is the board that makes
Pentium 4 systems more affordable due to the inexpensive chipset from SiS. The SiS 645 chipset brings down the costs of
mainboards as it has one of the the best price / performance ratio to date. The
SiS645 chipset needs no introduction as it has proven itself in most previews
done at various websites. It is a one of the strongest contender among the P4
DDR chipsets with its support of DDR266 and DDR333 DDR RAM. This definitely
makes it one of the most attractive alternative to other chipsets that only
supports DDR266.
From our tests, different manufacturers that
uses the SiS645 chipset tuned their BIOS differently, some managed to optimised
it so well but some has room for improvements. In the subsequent pages, we
will first take a look at some photos and later the benchmarks where we compare
it to i845D and ALiP4 chipset.
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L4S5A V1.X
mainboard is an ATX mainboard that uses a 4-layer printed circuit board
and measures 305 mm x 220 mm. The mainboard features a mPGA Socket 478
that accommo-dates Pentium® 4 processors supporting frontside
bus (FSB) speeds up to 400MHz. The L4S5A
incorporates the SiS®645 chipset
which combines support for the new high-bandwidth Double Data Rate (DDR)
SDRAM, and the AC 97 audio codec.
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PROCESSORS Detail
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One
Socket 478 supports the
Intel® Pentium®
4 processor (478pins) |
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CHIPSET
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SiS645
& SiS®961 Chipset
SiS®645
Host/Memory controller with DDR333 and AGP4X North Bridge Single Chipset
SiS®961 MuTIOL Media I/O
LPC I/O - IT8705F
System Hardware Monitor: Built-in IT8705F
LAN: RealTek 8100/B (optional)
AC97 Audio Codec
Compliant with AC97 2.1
specification |
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MEMORY
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Three 184-pin DDR
DIMM sockets to support
Three 2.5V DDR SDRAMs
(DDR266/DDR200) or
Two 2.5V DDR SDRAMs
(DDR333)
Maximum: 3GB (2GB only for DDR333)
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SYSTEM BIOS
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Award
2MB Flash EEPROM
Supports Plug and Play 1.0A, AMP 1.2, Multi Boot,
DMI
Full Support for ACPI revision 1.0 specification |
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I/O INTERFACE
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Supports
Plug and Play function
PS/2 keyboard and PS/2 mouse connectors
Dual USB Ports and an optional LAN connector
One - EPP/ECP mode parallel port
One - 16550 high-speed serial I/O ports
Audio Ports (Line-in, Line-out, Mic-in, CD-in and
game port)
Dual PCI IDE interfaces - support four IDE devices (PIO
mode 4, DMA Mode 2, Ultra DMA 66/100)
Supports 360K~2.88M Byte, 3 Mode FDDs or LS120
ATX12V Power Supply Connectors
ports, Headers and Others:
IrDA header (STR)
 Front Panel MIC/Line-out header
COM2 header
Four Extra USB header
(LUSB1/USB3 or LUSB2/USB2)
Smart Card Reader Header
HDD LED, Reset Switch, Power
Switch headers
CPU, BAK and CHS Fan headers
LAN Card Wake Up / Modem Ring
Wake-Up Headers |
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RTC & BATTERY
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SiS®961
built-in 256 bytes of CMOS SRAM
With CMOS SRAM hardware clear jumper |
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EXPANSION SLOTS
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6 PCI slots, 1 AGP
slot, 1 CNR slot
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FORM FACTOR
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| ATX
(305mm*244mm), 4 Layers |
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