Gigabyte 5VMM User manual

FCC Compliance Statement:
This equipment has been tested and found to
comply with limits for a Class B digital device,
pursuant to Part 15 of the FCC rules. These
limits are designed to provide reasonable
protection against harmful interference in
residential installations. This equipment
generates, uses, and can radiate radio
frequency energy, and if not installed and used
in accordance with the instructions, may cause
harmful interference to radio communications.
However, there is no guarantee that interference
will not occur in a particular installation. If this
equipment does cause interference to radio or
television equipment reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna
-Move the equipment away from the receiver
-Plug the equipment into an outlet on a circuit different from that to which
the receiver is connected
-Consult the dealer or an experienced radio/television technician for
additional suggestions
You are cautioned that any change or modifications to the equipment not
expressly approve by the party responsible for compliance could void Your
authority to operate such equipment.
This device complies with Part 15 of the FCC Rules. Operation is subjected to
the following two conditions 1) this device may not cause harmful interference
and 2) this device must accept any interference received, including interference
that may cause undesired operation.
DECLARATION OF CONFORMITY
Per FCC Part 2 Section 2. 1077(a)
Responsible Party Name: G.B.T. INC.
Address: 18305 Valley Blvd., Suite#A
LA Puent, CA 91744
Phone/Fax No: [phone]/ [phone]
hereby declares that the product
Product Name:
Model Number:
Mother Board
Conforms to the following specifications:
FCC Part 15, Subpart B, Section 15.107(a) and Section 15.109(a),
Class B Digital Device
Supplementary Information:
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful
and (2) this device must accept any inference received, including
that may cause undesired operation.
Representative Person's Name: ERIC LU
Signature:
Date: Jun. 26, 2000
Eric Lu
GA-5VMM

Declaration of Conformity
We, Manufacturer/Importer
(full address)
G.B.T. Technology Träding GMbH
Ausschlager Weg 41, 1F, 20537 Hamburg, Germany
declare that the product
( description of the apparatus, system, installation to which it refers)
Mother Board
GA-5VMM
is in conformity with
(reference to the specification under which conformity is declared)
in accordance with 89/336 EEC-EMC Directive
EN 55011 Limits and methods of measurement EN 61000-3-2* Disturbances in supply systems caused
of radio disturbance characteristics of EN60555-2by household appliances and similar
industrial, scientific and medical (ISM electrical equipment “Harmonics”
high frequency equipment
EN55013 Limits and methods of measurement EN61000-3-3* Disturbances in supply systems caused
of radio disturbance characteristics of EN60555-3by household appliances and similar
broadcast receivers and associated electrical equipment “Voltage fluctuations”
equipment
EN 55014 Limits and methods of measurement EN 50081-1Generic emission standard Part 1:
of radio disturbance characteristics of Residual, commercial and light industry
household electrical appliances,
portable tools and similar electrical EN 50082-1Generic immunity standard Part 1:
apparatus Residual, commercial and light industry
EN 55015 Limits and methods of measurement EN 55081-2Generic emission standard Part 2:
of radio disturbance characteristics of Industrial environment
fluorescent lamps and luminaries
EN 55020 Immunity from radio interference of EN 55082-2Generic immunity standard Part 2:
broadcast receivers and associated Industrial environment
equipment
EN 55022 Limits and methods of measurement ENV 55104 Immunity requirements for household
of radio disturbance characteristics of appliances tools and similar apparatus
information technology equipment
DIN VDE 0855 Cabled distribution systems; Equipment EN 50091-2 EMC requirements for uninterruptible
part 10 for receiving and/or distribution from power systems (UPS)
part 12 sound and television signals
CE marking (EC conformity marking)
The manufacturer also declares the conformity of above mentioned product
with the actual required safety standards in accordance with LVD 73/23 EEC
EN 60065 Safety requirements for mains operated EN 60950 Safety for information technology equipment
electronic and related apparatus for including electrical business equipment
household and similar general use
EN 60335 Safety of household and similar EN 50091-1General and Safety requirements for
electrical appliances uninterruptible power systems (UPS)
Manufacturer/Importer
Signature : Rex Lin
(Stamp) Date: Jun.26, 2000 Name : Rex Lin

5VMM
Socket 7 Processor Motherboard
USER'S MANUAL
Socket 7 Processor Motherboard
REV. 2.1 First Edition
R-21-01-000712

How This Manual Is Organized
This manual is divided into the following sections:
1) Revision History Manual revision information
2) Item Checklist Product item list
3) Features Product information & specification
4) Hardware Setup Instructions on setting up the motherboard
5) Performance & Block Diagram Product performance & block diagram
6) BIOS Setup Instructions on setting up the BIOS
software
7) Appendix General reference

Table Of Content
Revision History P.1
Item Checklist P.2
Summary of Features P.3
5VMM Motherboard Layout P.4
Page Index for CPU Speed Setup/Connectors/Panel and Jumper Definition P.5
Performance List P.37
Block Diagram P.38
Memory Installation P.39
Page Index for BIOS Setup P.40
Appendix P.73

5VMM Motherboard
1
Revision History
Revision
Revision Note Date
2.1Initial release of the 5VMM motherboard user’s manual. Jul.2000
The author assumes no responsibility for any errors or omissions that may appear in this
document nor does the author make a commitment to update the information contained herein.
Third-party brands and names are the property of their respective owners.
Jul. 12, 2000 Taipei, Taiwan,

Item Checklist
2
Item Checklist
þThe 5VMM motherboard
þCable for IDE / floppy device
þDiskettes or CD (TUCD) for motherboard driver & utility
oInternal COM B Cable (Optional)
oInternal USB Cable (Optional)
oCable for SCSI device
þ5VMM user’s manual

5VMM Motherboard
3
Summary Of Features
Form Factor Ÿ24.6 cm x 18.6 cm Micro ATX size form factor, 4 layers PCB.
CPU ŸSocket 7 processor
Ÿ2nd cache in CPU (Depend on CPU)
Chipset ŸVT8501
ŸVT82C686A
Clock Generator ŸICS 9248-127
Ÿ66/75/83/90/95/97MHz and 100MHz
Memory Ÿ2 168-pin DIMM sockets
ŸSupports SDRAM 16MB~512MB(Max)
ŸSupports only 3.3V SDRAM DIMM
I/O Control ŸVT82C686A
Slots Ÿ3 PCI Slot Supports 33MHz & PCI 2.2 compliant
Ÿ1 ISA Slot
Ÿ1 AMR(Audio Modem Riser) slot
On-Board IDE Ÿ2 IDE bus master (DMA 33/ ATA66) IDE ports for up
to 4 ATAPI devices
ŸSupports PIO mode 3, 4 (UDMA33/ATA66) IDE &
ATAPI CD-ROM
On-Board
Peripherals Ÿ1 floppy port supports 2 FDD with 360K, 720K, 1.2M, 1.44M and 2.88M bytes
Ÿ1 parallel ports supports SPP/EPP/ECP mode
Ÿ1 serial ports (COM A)
Ÿ4 USB ports (Front USB is optional)
Ÿ1 IrDA connector for IR
Hardware Monitor ŸCPU/System fan revolution detect
ŸCPU/System temperature detect
ŸSystem voltage detect
ŸCPU overheat shutdown detect
On-Board Sound ŸAC’97 CODEC
ŸLine In/Line Out/Mic In/AUX In/CD In/TEL/Game Port
BIOS ŸLicensed AWARD BIOS, 2M bit flash ROM
PS/2 Connector ŸPS/2 keyboard interface and PS/2 mouse interface
Additional Features ŸSupports Wake-on-LAN (WOL)[Optional]
ŸSupports Internal [Optional]/ External modem wake up
ŸIncludes 2 fan power connectors
ŸPoly fuse for keyboard over-current protection

5VMM Motherboard Layout
4
5VMM Motherboard Layout
PCI2
PCI3
VT82C686A
io
PS/2
SW2
ISA
DIMM1
5VMM
PCI1
BAT1
Socket 7
CPU
USB
VT8501
J1
J9
J6
AMR SW1
J12
J15
Front USB
AC97
JP7
JP6
JP5
JP4
J5J4
JP2
J3
JP3
J7
J2

5VMM Motherboard
5
$
Page Index for CPU Speed Setup/Connectors/Panel and Jumper Definition
Page
CPU Speed Setup P.6
Connectors P.24
Game & Audio Port P.24
COM A / VGA / LPT Port P.24
USB & LAN Connector P.25
PS/2 Keyboard & PS/2 Mouse Connector P.25
J1 (CPU Fan) P.26
J2 (System Fan) P.26
ATX Power P.27
Front USB [Optional] P.27
Floppy Port P.28
IDE 1(Primary)/ IDE 2(Secondary) Port P.28
J15 (CD Audio Line In) P.29
J12 (AUX_IN)[Optional] P.29
J9 (TEL)[Optional] P.30
J5 (Ring Power On) [Optional] P.30
J4 (Wake on LAN) [Optional] P.31
J3 (IR Connector) P.31
Panel and Jumper Definition P.32
J7 (2x11 Pins Jumper) P.32
JP1 (Clear CMOS Function) P.33
JP5/JP6/JP7 (Onboard AC97& AMR Select) P.33
J6 (USB Device Wake up Selection) [Optional] P.34
JP4 (Onboard LAN Function) [Optional] P.34
JP2 (BIOS Flash ROM Write Protection) [Optional] P.35
JP3 (Internal Buzzer Connector) [Optional] P.35
BAT1 (Battery) P.36

CPU Speed Setup
6
CPU Speed Setup
The system bus speed is selectable at 66,75,83,90,95,97MHz and 100MHz.
CPU Voltage:
O: ON/ X: OFF
SW2
12345SW2
12345
1.3V
XXXXO2.5V
OXOXX
1.4V
XOXXO2.6V
XOOXX
1.5V
XXOXO2.7V
OOOXX
1.6V
XOOXO2.8V
XXXOX
1.7V
XXXOO2.9V
OXXOX
1.8V
XOXOO3.0V
XOXOX
1.9V
XXOOO3.1V
OOXOX
2.0V
XOOOO3.2V
XXOOX
2.1V
OXXXX3.3V
OXOOX
2.2V
XOXXX3.4V
XOOOX
2.3V
OOXXX3.5V
OOOOX
2.4V
XXOXX--- ---
--- --- --- ---
CPU Ratio:
SW2
678
X1.5
XXX
X2 OXX
X2.5
OOX
X3 XOX
X3.5
XXX
X4 OXO
X4.5
OOO
X5 XOO
X5.5
XXO
SW1:
FSB
S1 S2 S3 S4
66 OXXX
75 XXXO
83 OXOX
90 OOXX
95 XOOX
97 XXOX
100 OOOX
♦Note: It’s strongly recommended that set the system speed according to your hardware
configuration: CPU, SDRAM, Cards, etc

5VMM Motherboard
7
O: ON / X: OFF
SWITCH SW 2 SW1
CPU SW S1
S2
S3
S4
S5
S6
S7
S8
S1
S2
S3
S4
1. Pentium133 MHz O
O
O
O
X
O
X
X
OXXX
2. Pentium166 MHz O
O
O
O
X
O
O
X
OXXX
3. Pentium200 MHz O
O
O
O
X
X
O
X
OXXX
4. Intel MMX-166MHz X
X
X
O
X
O
O
X
OXXX
5. Intel MMX-200MHz X
X
X
O
X
X
O
X
OXXX
6. Intel MMX-233MHz X
X
X
O
X
X
X
X
OXXX
7. AMD-K6/166 (2.9V) O
X
X
O
X
O
O
X
OXXX
8. AMD-K6/200 (2.9V) O
X
X
O
X
X
O
X
OXXX
9. AMD-K6/233 (3.2V) X
X
O
O
X
X
X
X
OXXX
10. AMD-K6/233 (66*3.5 2.2V) X
O
X
X
X
X
X
X
OXXX
11. AMD-K6/266 (66*4 2.2V)
AMD-K6-2/266 (66*4 2.2V) X
O
X
X
X
O
X
O
OXXX
12. AMD-K6/300 (66*4.5 2.2V) X
O
X
X
X
O
O
O
OXXX
13. AMD-K6/300 (100*3 2.2V)
AMD-K6-2/300 (100*3 2.2V) X
O
X
X
X
X
O
X
OOOX
14. AMD-K6-2/333 (66*5 2.2V) X
O
X
X
X
X
O
O
OXXX
15.AMD-K6-2/333 (95*3.5 2.2V) X
O
X
X
X
X
X
X
XOOX
16. AMD-K6-2/350 (100*3.5 2.2V)
X
O
X
X
X
X
X
X
OOOX
17.AMD-K6-2/366 (66*5.5 2.2V) *
X
O
X
X
X
X
X
O
OXXX
18. AMD-K6-2/380 (95*4 2.2V) X
O
X
X
X
O
X
O
XOOX
19. AMD-K6-2/400 (100*4 2.2V) X
O
X
X
X
O
X
O
OOOX
20. AMD-K6-2/450 (100*4.5 2.2V) *
X
O
X
X
X
O
O
O
OOOX
21. AMD-K6-2/450 (100*4.5 2.4V)
X
X
O
X
X
O
O
O
OOOX
22. AMD-K6-2/475 (95*5 2.2V) *
X
O
X
X
X
X
O
O
XOOX
23. AMD-K6-2/475 (95*5 2.4V) *
X
X
O
X
X
X
O
O
XOOX
24. AMD-K6-2/500 (100*5 2.2V) *
X
O
X
X
X
X
O
O
OOOX
25.AMD-K6-2/500 (100*5 2.3V) *
O
O
X
X
X
X
O
O
OOOX
26. AMD-K6-2/500 (100*5 2.4V) *
X
X
O
X
X
X
O
O
OOOX
27. AMD-K6-2/533 (97*5.5 2.2V) *
X
O
X
X
X
X
X
O
XXOX
28. AMD-K6-2/550 (100*5.5 2.2V) *
X
O
X
X
X
X
X
O
OOOX
29. AMD-K6-III/400 (100*4 2.2V) *
X
O
X
X
X
O
X
O
OOOX
30.AMD-K6-III/400 (100*4 2.4V) X
X
O
X
X
O
X
O
OOOX

CPU Speed Setup
8
SWITCH SW 2 SW1
CPU SW S1
S2
S3
S4
S5
S6
S7
S8
S1
S2
S3
S4
31.AMD-K6-III/450 (100*4.5 2.2V) *
X
O
X
X
X
O
O
O
OOOX
32.AMD-K6-III/450 (100*4.5 2.4V) *
X
X
O
X
X
O
O
O
OOOX
33.AMD-K6-III/475 (95*5 2.2V) *
X
O
X
X
X
X
O
O
XOOX
34.AMD-K6-III/475 (95*5 2.4V) *
X
X
O
X
X
X
O
O
XOOX
35.AMD-K6-III/500 (100*5 2.2V) *
X
O
X
X
X
X
O
O
OOOX
36.AMD-K6-III/500 (100*5 2.4V) *
X
X
O
X
X
X
O
O
OOOX
37.AMD-K6-III/550 (100*5.5 2.2V) *
X
O
X
X
X
X
X
O
OOOX
38. Cyrix/IBM 6x86MX-PR166
(66*2 2.9V) O
X
X
O
X
O
X
X
OXXX
39. Cyrix/IBM 6x86MX-PR200
(66*2.5 2.9V) O
X
X
O
X
O
O
X
OXXX
40. Cyrix/IBM 6x86MX-PR200
(75*2 2.9V) O
X
X
O
X
O
X
X
XXXO
41. Cyrix/IBM 6x86MX-PR233
(66*3 2.9V) O
X
X
O
X
X
O
X
OXXX
42. Cyrix/IBM 6x86MX-PR233
(75*2.5 2.9V) O
X
X
O
X
O
O
X
XXXO
43. Cyrix/IBM 6x86MX-PR233
(83*2 2.9V) O
X
X
O
X
O
X
X
OXOX
44. Cyrix/IBM 6x86MX-PR266
(66*3.5 2.9V) O
X
X
O
X
X
X
X
OXXX
45. Cyrix/IBM 6x86MX-PR266
(75*3 2.9V) O
X
X
O
X
X
O
X
XXXO
46. Cyrix/IBM 6x86MX-PR266
(83*2.5 2.9V) O
X
X
O
X
O
O
X
OXOX
47. Cyrix M¢º-PR300
(66*3.5 2.9V) O
X
X
O
X
X
X
X
OXXX
48. Cyrix M¢º-PR333
(66*4 2.9V) O
X
X
O
X
O
X
O
OXXX
49. Cyrix M¢º-PR333
(83*3 2.9V) O
X
X
O
X
X
O
X
OXOX
50. Cyrix M¢º-PR333
(75*3.5 2.9V) O
X
X
O
X
X
X
X
XXXO
51. Cyrix M¢º-PR333
(100*2.5 2.9V) O
X
X
O
X
O
O
X
OOOX
52. Cyrix M¢º-PR350 *
(90*3 2.9V) O
X
X
O
X
X
O
X
OOXX

5VMM Motherboard
9
SWITCH SW 2 SW1
CPU SW S1
S2
S3
S4
S5
S6
S7
S8
S1
S2
S3
S4
53. Cyrix M¢º-PR366 *
(75*4 2.9V) O
X
X
O
X
O
X
O
XXXO
54. Cyrix M¢º-PR366 *
(83*3.5 2.9V) O
X
X
O
X
X
X
X
OXOX
55. Cyrix M¢º-PR366 *
(100*3 2.9V) O
X
X
O
X
X
O
X
OOOX
56. Cyrix M¢º-PR400 *
(90*4 2.9V) O
X
X
O
X
O
X
O
OOXX
57. Cyrix M¢º-PR400 *
(100*3.5 2.9V) O
X
X
O
X
X
X
X
OOOX
58. IDT Winchip 2-200
(66*3 3.5V) O
O
O
O
X
X
O
X
OXXX
59. IDT Winchip 2-200 *
(100*2 3.5V) O
O
O
O
X
O
X
X
OOOX
60. IDT Winchip 2-225
(75*3 3.5V) O
O
O
O
X
X
O
X
XXXO
61. IDT Winchip 2-233 *
(66*3.5 3.5V) O
O
O
O
X
X
X
X
OXXX
62. IDT Winchip 2-266 *
(66*4 3.5V) O
O
O
O
X
O
X
O
OXXX
63. IDT Winchip 2-266 *
(100*2.33 3.5V) O
O
O
O
X
X
O
O
OOOX
64. IDT Winchip 2-300 *
(100*2.5 3.5V) O
O
O
O
X
O
O
X
OOOX
65. IDT Winchip 3-266 *
(100*2.33 2.8V) X
X
X
O
X
X
O
O
OOOX
66. RISE MP6-266 *
(100*2 2.8V) X
X
X
O
X
O
X
X
OOOX
¬Note: If Cyrix 6x86 is being used, please check the CPU Date Code after 605.
MThe default setting is 100*3 at 2.2V for AMD K6/300 and AMD K6-2/300
SWITCH SW 2 SW1
CPU SW
S1
S2
S3
S4
S5
S6
S7
S8
S1
S2
S3
S4
AMD-K6/300 (100*3 2.2V)
AMD-K6-2/300 (100*3 2.2V) X
O
X
X
X
X
O
X
OOOX
MThe settings of the processors marked with “*” above are just for your reference, these
processors have not been tested yet !

CPU Speed Setup
10
1. PentiumProcessor 133 MHz
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
2. PentiumProcessor 166 MHz
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
3. PentiumProcessor 200 MHz
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
4. Intel MMX-166 MHz
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1

5VMM Motherboard
11
5. Intel MMX-200 MHz
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
6. Intel MMX-233 MHz
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
7. AMD-K6/166 (2.9V)
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
8. AMD-K6/200 (2.9V)
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
9. AMD-K6/233 (3.2V)
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1

CPU Speed Setup
12
10. AMD-K6/233 (66*3.5 2.2V)
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
11. AMD-K6/266 (66*4 2.2V); AMD-K6-2/266 (66*4 2.2V)
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
12. AMD-K6/300 (66*4.5 2.2V)
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
13. AMD-K6/300 (100*3 2.2V); AMD-K6-2/300 (100*3 2.2V)
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
14. AMD-K6-2/333 (66*5 2.2V)
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1

5VMM Motherboard
13
15. AMD-K6-2/333 (95*3.5 2.2V)
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
16. AMD-K6-2/350 (100*3.5 2.2V)
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
17. AMD-K6-2/366 (66*5.5 2.2V)
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
18. AMD-K6-2/380 (95*4 2.2V)
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1
19. AMD-K6-2/400 (100*4 2.2V)
SW2
ON
6
5
43
2
1
7
8
SW1
ON
3
4
2
1