DDR for Pentium III: 10 Boards with VIA Apollo Pro 266

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A Closer Look At The Boards' Components

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Manufacturer	Aopen	Aopen	Asus	Chaintech	DFI
Model	AX37 Plus	AX37 Pro	CUV266	CT-6VJD	CD70-SC
Platform	Socket 370	Socket 370	Socket 370	Socket 370	Socket 370
Northbridge	VT8633 (VIA Apollo Pro 266)	VT8633 (VIA Apollo Pro 266)	VT8633 (VIA Apollo Pro 266)	VT8633 (VIA Apollo Pro 266)	VT8633 (VIA Apollo Pro 266)
Southbridge	VT8233	VT8233	VT8233	VT8233	VT8233
Form factor	ATX	ATX	ATX	ATX	ATX
Memory
Maximum Memory (MByte)	3 GB DDR SDRAM	3 GB DDR SDRAM	3 GB DDR SDRAM	3 GB DDR SDRAM	3 GB DDR SDRAM
SDRAM Slots	0	0	0	0	0
DDR SDRAM Slots	3	3	3	3	3
Standard Features
Dimensions (LxW)	30.5 cm x 24.4 cm	30.5 cm x 24.4 cm	30.5 cm x 24.5 cm	30.5 cm x 210. cm	30.5 cm x 24.4 cm
ISA Slots	0	0	0	0	0
PCI Slots	6	6	5	5	6
AGP 4X	1	1	0	1	0
AGP 4X (Pro)	0	0	1	0	1
AMR / CNR	no/1	no/1	1/no	no/1	no/1
ACR Slot	no	no	1	1	no
Parallel Ports	1	1	1	1	1
Serial Ports	2	2	2	2	2
USB Ports (external)	2	2	2	2	2
USB Connectors onboard	2	2	2	2	4
IDE channels (UltraATA/100)	4	2	2	2	2
Fan Connectors	3	3	3	2	3
Additional Onboard Features
AC97 Sound	AD1885	AD1885	C3DX	Avance Logic ALC200	VIA VT1611A
External Audio ConnectorsLine Out/In/Mic	yes/yes/yes	yes/yes/yes	yes/yes/yes	yes/yes/yes	yes/yes/yes
Internal Audio Connectors(Number of Line-ins)	3	3	3	3	3
Wake on LAN (WOL)	yes	yes	yes	yes	yes
Wake on Modem (WOM)	yes	yes	yes	yes	yes
Infrared	yes	yes	yes	yes	yes
Sensor for Chassis Intrusion	no	no	no	no	no
Temperature Sensor under CPU	yes	yes	yes	yes	yes
Additional UltraATA/100 interfaces	Promise Ultra100 RAID	no	no	no	no
Piezo Speaker	yes	yes	no	yes	yes
Settings
System Bus adjustable by	Bios	Bios	Jumper	Bios	Bios
Frequency range for FSB	133 MHz - 248 MHz	133 MHz - 248 MHz	66 MHz - 202 MHz	133 - 170 MHz	133 MHz - 166 MHz
1 MHz steps for System Bus possible	yes	yes	n/a	yes	yes
CPU core voltage adjustable	yes	yes	Bios	yes	n/a
Range for CPU core voltage	- 3.50V to + 1.30V	- 3.50V to + 1.30V	1.70 - 1.20V	1.4 - 1.75V	n/a
0.025V steps for VCore	no	no	yes	yes	n/a
0.5X steps for multiplier	yes	yes	n/a	n/a	yes
Multiplier settings	3x - 8x	3x - 8x	n/a	n/a	3.0 x - 8.0 X
BIOS and Revisions
BIOS	Award	Award	Award	Award	Award
BIOS version tested	R1.01A (02 FEB 01)	R1.01A (02 FEB 01)	Rev. 1001 BETA 015P1 (21 FEB 01)	6VJD0213 (13 FEB 01)	6A6LUD49 (21 FEB 01)
Board Revision tested	unkown	unkown	1.04	unkown	0.3
Notes
Clock Generator	Winbond (W83697HF)	Winbond (W83697HF)	CPU: ICS 94237AF RAM: ICS 93714DF	Winbond W255H	Winbond (W83697HF)
Network Conncector (100 Mbit Fast Ethernet	no	no	yes, via 3COM Chip	no	no
Model variations	AX37 Plus	AX37 Pro	no	6V JD2 (2xSDR & 2xDDR)	no
Bundles	1 x CD (Norton Antivirus2000)1 x CD (Aopen Bonus Pack)	1 x CD (Norton Antiviruns2000)1 x CD (Aopen Bonus Pack)	Row 52 - Cell 3	Row 52 - Cell 4	1 x CD (CD70 & Antivirus)