CHAINTECH CT-5RSA Motherboards Mainboards User Manual

: June 9, 2024
: CHAINTECH

Table of Contents

CT-5RSA Motherboards Mainboards
CONNECTIONS
USER CONFIGURABLE SETTINGS
DIMM CONFIGURATION
CPU SPEED SELECTION (PENTIUM)
CPU SPEED SELECTION (PENTIUM MMX)
CPU CORE VOLTAGE SETTINGS
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CT- 5RSA Motherboards Mainboards
User Manual

CT-5RSA Motherboards Mainboards

Device Type	Mainboard
Processor	CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 6X86MX/IBM 6X86MX/CX M2/AM

K5/AM
K6/AM K6-2/Pentium/Pentium MMX/IDT Winchip C6/IDT Winchip 2
Processor Speed| 133/166/180/200/225/233/266/300/333/350MHz
Chip Set| ALI
Audio Chip Set| ESS
Maximum Onboard Memory| 256MB (EDO SDRAM supported)
Maximum Audio Memory| Unidentified
Cache| 512KB
BIOS| Award
Dimensions| 244mm x 190mm
I/O Options| 32-bit PCI slots (2), floppy drive interface, game port, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot, line in, line out, microphone in, audio in – CD-ROM

CONNECTIONS

Purpose	Location	Purpose	Location
AGP slot	AGP	Line in	CN9
ATX power connector	ATX	Microphone in	CN10
Audio in – CD-ROM	J5	Floppy drive interface	CN11
Fan 78 connector	J6	IDE interface 1	CN12
CPU fan power	C1	IDE interface 2	CN13
System fan power	C2	Turbo LED	J7/Pins 1 & 2
PS/2 mouse port	CN1	Green PC connector	J7/Pins 4 & 5
USB connector 1	CN2	Green PC LED	J7/Pins 6 & 7
USB connector 2	CN3	Reset switch	J7/Pins 9 & 10
Parallel port	CN4	IDE interface LED	J7/Pins 11 & 12
Serial port 1	CN5	Over-ride power connector	J7/Pins 13 &

USER CONFIGURABLE SETTINGS

Function	Label	Position
CPU I/O voltage 3.3V	JP3	Open
CPU I/O voltage 3.5V	JP3	Closed
»	CMOS memory normal operation	JP9
CMOS memory Clear	JP9	Pins 2 & 3 Closed
On-board audio chip enabled	JP10	Closed
On-board audio chip disabled	JP10	Open

DIMM CONFIGURATION

Size	Bank 0	Bank 1
16MB	(1) 2MB x 64	None
32MB	(1) 4MB x 64	None
32MB	(1) 2MB x 64	(1) 2MB x 64
48MB	(1) 4MB x 64	(1) 2MB x 64
64MB	(1) 8MB x 64	None
64MB	(1) 4MB x 64	(1) 4MB x 64
80MB	(1) 8MB x 64	(1) 2MB x 64
96MB	(1) 8MB x 64	(1) 4MB x 64
128MB	(1) 16MB x 64	None
128MB	(1) 8MB x 64	(1) 8MB x 64
144MB	(1) 16MB x 64	(1) 2MB x 64
160MB	(1) 16MB x 64	(1) 4MB x 64
192MB	(1) 16MB x 64	(1) 8MB x 64
256MB	(1) 16MB x 64	(1) 16MB x 64

CACHE CONFIGURATION
Note: Location and configuration of cache memory is unidentified

CPU SPEED SELECTION (PENTIUM)

CPU speed| Clock speed| Multiplier| JP6| | | | JP4| |
---|---|---|---|---|---|---|---|---|---
133MHz| 66MHz| 2x| Pins 3 &| 4,| 5| &| 6| Pins 1 & 2| |
166MHz| 66MHz| 2.5x| Pins 3 &| 4,| 5| &| 6| Pins 1 & 2, 3| &| 4
200MHz| 66MHz| 3x| Pins 3 &| 4,| 5| &| 6| Pins 3 & 4| |
Note: Pins designated should be in the closed position.| | | | | |

CPU SPEED SELECTION (PENTIUM MMX)

CPU speed	Clock speed	Multiplier	JP6	JP4
166MHz	66MHz	2.5x	Pins3 &4, 5 &6	Pins 1 &2,3&4
200MHz	66MHz	3x	Pins3&4,5&6	Pins 3 & 4

233MHz	I 66MHz	4.	Pins 3 & 4, 5 & 6	Open

Note: Pins designated should be in the dosed position.

CPU SPEED SELECTION (CX 6X86/IBM 6X86)

CPU speed	Clock speed	Multiplier	JP6	JP4
133MHz	66MHz	2x	Pins 3 & 4, 5 & 6	Pins 1 & 2
150MHz	75MHz	2x	Pins 1 & 2, 3 & 4	Pins 1 & 2

CPU SPEED SELECTION (CX 6X86L/IBM 6X86L)

CPU speed	Clock speed	Multiplier	JP6	JP4
133MHz	66MHz	2x	Pins 3 & 4, 5 & 6	Pins 1 & 2
150MHz	75MHz	2x	Pins 1 & 2, 3 & 4	Pins 1 & 2

CPU SPEED SELECTION (CX 6X86MX/IBM 6X86MX)

CPU speed	Clock speed	Multiplier	JP6	JP4
166MHz	66MHz	2x	Pins 3 & 4, 5 & 6	Pins 1 & 2
200MHz	66MHz	2.5x	Pins 3 & 4, 5 & 6	Pins 1 & 2, 3 & 4
200MHz	75MHz	2x	Pins 1 & 2, 3 & 4	Pins 1 & 2
233MHz	75MHz	2.5x	Pins 1 & 2, 3 & 4	Pins 1 & 2, 3 & 4
233MHz	83MHz	2x	Pins 3 & 4	Pins 1 & 2
266MHz	83MHz	2.5x	Pins 3 & 4	Pins 1 & 2, 3 & 4