All registered and unregistered trademarks and company names contained in this
manual are property of their respective owners including, but not limited to the following.
Tyan, Thunder i860 S2603 are trademarks of Tyan Computer Corporation.
Intel, Xeon, 860 chipset are trademarks of Intel Corporation.
Rambus is a trademark of Rambus Inc.
Phoenix, Phoenix BIOS are trademarks of Phoenix Software.
Microsoft, Windows are trademarks of Microsoft Corporation.
IBM, PC, AT, PS/2 are trademarks of IBM Corporation.
QLogic, Zircon are trademarks of QLogic Corporation.
Winbond is a trademark of Winbond Electronics Corporation.
National is a trademark of National Semiconductor Corporation.
Information contained in this document is furnished by Tyan Computer Corporation and has been reviewed for accuracy and reliability prior to printing. Tyan
assumes no liability whatsoever, and disclaims any express or implied warranty,
relating to sale and/or use of Tyan products including liability or warranties relating
to fitness for a part icula r purpose o r me rchan tabili ty. T yan retain s the ri ght to m ake
changes to product descriptions and/or specifications at any time, without notice.
In no event will Tyan be held liable for any direct or indirect, incidental or consequential damage, loss of use, loss of data or other malady resulting from errors or
inaccuracies of information contained in this document.
You are now the proud owner of the premier dual Intel® Xeon™ platform!
The Thunder i860™ is a high performance workstation platform designed for applications that require the
power of dual Intel® Xeon™ processors. This platform utilizes the Intel 860 chipset and can support CPU
speeds through 1.7+GHz* and front side bus speeds of 100 MHz or 133 MHz. Please see Tyan’s website
for updates and information concerning CPU information and support:
http://www.tyan.com
This integrated performance boar d is supported i n an Extend ed ATX form factor. Some of the feat ures
included are onboard UltraDMA-100/66/33 support, and an Intel 82550 10/100 LAN controller.
With I/O and drive controller support onboard, the one 4X AGP Pro 50 slot, three 32-bit/33MHz PCI slots,
and two 64/32-bit 66/33MHz PCI slots are free for numerous types of add-on expansion cards. The use of
a separate Memory Expansion Card (MEC) allows for memory expansion options.
Remember to visit Tyan’s website at http://www.tyan.com. T here you can find information on all of
Tyan’s products with FAQs, distributors list, and BIOS settings explanations.
NOTE: Due to its extremely pow er fu l pr oc ess in g cap ab ili tie s, th e Th unde r i8 60 re qu ires a spec ialized dual Xeon-capable, AP PROVED* power supply. Also, a Memory Expansion Card (MEC) is
required to harness the complete Rambus memory performance potential.
* not verified at time of print, check the Tyan website for updates: http://www.tyan.com
4
http://www.tyan.com
1.2 Hardware Specifications
Processor Information
Expansion Slots
Chipset Information
Hardware Monit oring
Memory
Integrated I/O
Integrated PCI IDE
Dual PGA603 ZIF sockets
Supports dual Intel Xeon processors
One onboard VRM
400MHz system bus support
One 4X AGP Pro 50 slot supports 2x/4x modes
Three 32-bit 33MHz PCI slots
Two 64/32-bit 66/33MHz 3.3V PCI slots
Total of six usable slots
Intel 860 chipset
MCH+ICH2+FWH
National PC87366 Super I/O ASIC
Winbond 83782D hardware monitoring chip
3-pin fan monitoring headers
CPU temperature and voltage monitoring
Eight 168-pin Rambus RIMM sockets (on MEC)
Supports up to 2GB* PC800 Registered RDRAM
Supports ECC (72-bit) memory modules
One floppy connector supports up to two drives
Two 9-pin 16550-based serial ports
One 25-pin SPP/ECP/EPP parallel port
Two USB ports
PS/2 keyboard and mouse ports
Dual-channel master mode
Up to four Enhanced IDE devices
Support for UltraDMA-100/66/33 IDE and ATAPI compliant devices
Integrated LAN
Integrated SCSI
(manufacturing option)
Integrated Audio
(manufacturing option)
* Not validated at time of print, please check Tyan website for memory compatibility information:
http://www.tyan.com
Intel 82550 LAN controller
10/100 Mbps data transfer rate capability
LSI Symbios 53C1010R controller
Dual-channel Ultra160 SCSI support
160Mbps maximum data throug hpu t
Supports up to 15 LVD SCSI devices per channel
Channels 1 & 2: 68-pin connector each
AD1885 chipset
AC’97 codec
Line-in, line-out, and mic-in ports
Thunder i860 S2603
5
BIOS
Phoenix BIO S 2 Mbit Flash
Supports APM 1.2 & ACPI 1.0
Auto-configuration of IDE hard disk types
Multiple boot options
DMI 2.0 compliant
Form Factor
Regulatory
1.3 Software Specifications
OS
Ext. ATX 12” x 13” (304.80mm x 330.20mm)
One 24-pin and one 8-pin power connector
Stacked mouse & keyboard ports
Stacked two USB ports
Stacked one parallel and two serial ports
One RJ-45 LAN port with LEDs
FCC Class B (Declaration of Conformity)
European Community CE (Declaration of Conformity)
Windows NT/2000
6
http://www.tyan.com
1.4 Technical Support
If a problem arises with your system , you should turn to your dealer for he lp first. Your system has most
likely been configure d by t hem, a nd the y should have the best ide a of wh at har dware and so ftwa re your
system contains. Hence, they shou ld be of the mo st assist anc e. F urt her more, if you p urch ase d you r system from a dealer near you, you can actual ly bring your system t o them to have it service d, instead of
attempting to do so yourself (which can have expensive consequences).
Help Resources:
1. See the FAQ and beep codes section of this manual.
2. See the Tyan website for FAQ, bulletins, driver updates, and other
information: http://www.tyan.com
3. Contact your dealer for help BEFORE calling Tyan.
4. Check the Tyan user group: alt.comp.periphs.mainboard.tyan
1.5 Returning Merchandise for Service
During the warranty pe riod, contact your d istributor or system ve ndor FIRST for any product prob lems.
This warranty only covers no rm al cust ome r use and does n ot cove r da mag es i ncu rr ed du ring shipp i ng or
failure due to the alteration, misuse, abuse, or improper maintenance of products.
NOTE: A receipt or cop y of your invo ice ma rked with t he da te of pur chas e is re quir ed be fore any
warranty service can be rendered. You may obtain service by calling the manufacturer for a
Return Merchandis e Authorization (RM A) number. The RMA number should be prominently displayed on the outsid e of the sh ipp in g ca rt on an d th e p ack ag e sh ou ld be m ail ed pr ep aid . Tyan will
pay to have the board shipped back to you.
Thunder i860 S2603
7
Chapter 2: Board Installation
2.1 Unpacking
The retail motherboard package should contain the following:
Thunder i860 motherboard
Memory Expansion Card (MEC)
(2) Continuity RIMMs
34-pin floppy cable
UltraDMA-100/66/33 IDE cable
68-pin Ultra160 LVD SCSI cable
I/O shield*
Thunder i860 user’s manual
Tyan driver CD
(2) LSI SYM1010 SCSI Driver Disks
2.2 Installation
You are now ready to install your motherboard. T he mounting hole pattern of the mo therboard ma tches
the ATX board specifications, so your chassis must b e capable of supporting an Extend ed ATX board
(check the motherboard dimensions provided on p. 6).
2.3 How to install our products right.. the first time.
Question: what’s the first thing I should do?
The first thing you should do is read the user’s manual. It contains important information which will m ake
configuration and setup much easier, as well as provide information on device installation and component
set up. By reading through the manual completely befo re installing your motherboard, you will have a
complete overview on the installation.
* if you require a different I/O shield solution, please contact your chassis vendor
8
http://www.tyan.com
Here are some safety tips:
(1) Ground yourself properly before removing your motherboard from the antistatic bag. Unplug
the power from your computer power supply and touch any metal part on the computer case. (You
might also want to wear a grounded wrist strap.)
(2) Hold the motherboard by its edges and do not touch the bottom of the board.
(3) Avoid touching motherboard components, IC chips, connectors, and leads.
(4) Avoid touching pins of memory modules and chips.
(5) Place motherboard on a grounded antistatic surface or on the antistatic bag.
Having reviewed the precautions above, the next step is to take the motherboard out of the cardboard box
and static bag, hold it by its edges, and pl ace it on a grounded a ntistatic surface, com ponent side up.
Inspect the board for damage.
NOTE:DO NOT APPLY POWER T O THE BOARD IF IT HAS BEEN DAMAGED!
Press down on any of the socketed ICs if it appears that they are not properly seated (the board should
still be on an antistatic mat). Do not touch the bottom of the board. Remember, don’t take any electronic
device out of its protective bag until you are ready to actually install it into the computer case. If you do not
ground yourself, you risk zapping the motherboard or adapter card. Subsequent problems may not arise
immediately because electrostatic discharge, unlike physical damage, causes the device to fail over time.
Thunder i860 S2603
9
2.4 Quick References for Jumpers
In this manual, the term “close d” and “on” are used wh en referring to jumpers (or jumper pins) that are
active; “open” and “off” a re u s ed whe n re fer ring to j u mp ers (or j um per pin s) that are inactive. See Figure
2.0a and Figure 2.0c for examples of “on” and “off” pins and jumpers.
Jumpers and pins are connec ted by slipping the plastic jum per connector over the top of tw o adjacent
jumper pins (indica ted b y 1-2 or 2-3 ). Th e met al r od insid e the plast ic shell bridg es the gap b etween the
two pins, completing the circ uit. See Figure 2.0b and Figure 2.0d for more examples of 3-pin jumper
connections. NOTE: The small number “1” indicates pin 1.
The tables and maps on the following pages will help you set the jumpers for CPU speed, infrared, and
external connector pin assignments, among others. The miniature motherboard maps will help you locate
the jumpers on your board. Full page maps of the motherboard can be found on the next two pages.
2-pin jumpers
offon
Figure 2.0a
(overhead view)
1-22-3open
3-pin jumpers
1
2
3
Figure 2. 0b
(overhead view)
2-pin jumpers3-pin jumpers
1-22-3openoffon
11
Figure 2. 0c
(front angle view)
Figure 2. 0d
(front angle view)
1
2
3
1
2
3
10
http://www.tyan.com
2.5 Map of Motherboard Jumpers
Mouse port
(upper port)
USB
Ports
Serial
port 1
port
Parallel
Serial
port 2
port
LAN
Line-in*Line-out*Mic-in*
(2) 64/32-bit
Keyboard port
(lower port)
Intel
82550
(3) 32-bit
PCI slots
PCI slots
66/33MHz
FDD
24-pin power
J43
Connector
connector
J28
J59
J34
8-pin power
connector
J33
AUD CD
J26**
JBC2
JBC1
Processor 1 (P1)
Intel
i860
AGP Pro 4X Slot
J25
MEC Slot
J51
53C1010R
LSI
SCSI*
J50
Processor 0 (P0)
Battery
SCSI CH. 1*SCSI CH. 2*
J13
J32
J20
J37
J12
ITP
J49
J24
J23
J36*
J35
Memory Expansion Card (MEC)
* indicates an optional feature available on some Thunder i860 models
** J26 (dip switch), if present on the Thunder i860, must always have positions 1 through 4 switched to
“OFF” (in the bottom position). Details on p.13.
Thunder i860 S2603
11
2.6 Setting up Jumpers and Onboard Connectors
Pinouts for certain connectors are available on the Tyan website: http://www.tyan.com
Pinouts for certain connectors are available on the Tyan website: http://www.tyan.com
A. Front Panel Connector (J24)
VCC
12
LED
HDD
Sw
Rst
Infrared
LED
ground
switch7 8
IR +5V
IR RX
ground
IR TX
5346
9
13
151716
1920
2122
2324
2526
Pwr LED+
Slp LED+
switch
ground
10
121411
18
Pwr
LED
Sw
Pwr
Your chassis will usually come with connectors to install onto
the motherboard, such as HDD and Power LEDs. The Front
Panel Connector has been implemented for such purposes.
B. CMOS Reset (Battery)
CMOS Battery
If you have been lo cked out of your system because you forgot your password or set the CMOS incorrectly, or have just finished flashing your BIOS follow the instructions below.
1. Power off the system, and disconnect the power supply
2. Pop out (uninstall) the battery by pressing on the rear latch
3. Wait about FIVE seconds
4. Re-install the battery, then power on the system again
By following this procedure, you will erase your password and reset the CMOS.
LAN LED
Abbreviations
PwrPower
SlpSleep
LEDVCC27 28
ResetRst
12
http://www.tyan.com
C. BIOS Boot Block (J43)
In case there is an error during flashing, the BIOS Boot Block provides a protection feature for the BIOS.
DO NOT alter this jumper unless you are absolutely sure you fully understand this
jumper’s effects on your system.
NOTE:
Tyan takes no reponsibility and will not be held liable for damage related to alteration of this jumper from its factory-set default. Default is OPEN.
J43
D. DIP Switch (J26) (optional)
This is a DIP switch for internal purposes. If present on the Thunder i860, please make sure that ALL
switches must always have positions 1 through 4 switched to “OFF” (in the bottom position).
open
unprotect
* default is OPEN
ON
All switches are in the
OFF position
close
protect
1234
Thunder i860 S2603
13
E. Onboard LAN Enable/Disable (J28)
This jumper can disable the onboard LAN port.
LAN
J28
F. Onboard SCSI Enable/Disable (J51)
This jumper can disable the on boa rd SCS I por ts. P leas e note t hat both SC SI por ts w ill be disab le d at the
same time.
close
disable
* default is OPEN
open
enable
14
J51
close
disable
* default is OPEN
open
enable
http://www.tyan.com
G. Speaker Connector (J23)
This is the 4-pin connector for a speaker.
J23
H. PCI Speed Select (J25)
This connector controls the speed of the 64-bit PCI slots.
1
power in2no connect3no connect4speaker
J25
open
66 MHz
close
33 MHz
Tyan takes no responsibility and will not be held liable for damage related to the
NOTE:
alteration of J25 from the correct setting corresponding to your PCI card manufacturer’s designated operating speed.
Thunder i860 S2603
* default is OPEN
15
I. FAN Connectors (FAN)
These are the 3-pin connectors for both CPU and chassis fans.
J34
J33
J32
J36*
J35
J37
FAN
NOTE:
J. Soft Power Connector
The soft power connector is part of jumper block J24 (pins 6 and 8). This board uses the chipset for power
management, including tur ning on and off the system. If the power b utton function option in the BIOS
Power Management me nu is set to “On/Off” (wh ich is the d efault), pr essing the p ower button once after
the BIOS has booted up will turn the system on a nd off. If the power button functio n is set to Suspend,
pressing the power button once will wake up t he system or send it to Suspend mode. In this case, you
cannot turn the system off unless yo u shut d own through the Windo ws oper ating system o r you ho ld the
power button down for four seconds (BIOS-dependent feature).
K. Hardware Reset Switch Connector Installation
The reset switch on your chassis case provides you with the Hardware Reset function, which is the same
as power on/off, except that the system will immediately execute a cold start afte r the reset button is
pushed. The reset switch needs to be connected to jumper block J24 (pins 5 and 7).
L. Flash Utility
Y ou can upgrade the BIOS of this motherboard by using the Flash Utility (see p.47). Check the Tyan website for more details: http://www.tyan.com
NOTE: The FAN co nn ect o rs a re 12V at 1.2A. Tyan takes no responsibility and will
not be held liable for damage related to the misuse of these jumpers.
1
ground2+12V
Specifications
12VVoltage
Amperage1.2A
3
speed
* indicates an optional feature available on some Thunder i860 models
16
http://www.tyan.com
2.7 Mounting the Motherboard into the Chassis
Your chassis may include mounting hardware. If mounting hardware w as included, yo u can use the fo llowing examples to help you in installing your motherboard into the chassis.
The chassis may have com e wit h th e stud s int egr ate d in to t he cha ssis wa ll, so in t hose ca ses you wou ld
only need to use scre ws (p ossibly i nclude d with you r chass is) to instal l the m other board . See the ex amples (Figure 2.0, shown below) for more details.
If the chassis includes mounting hardware without the studs pre-installed, then you will need to install the
motherboard using the mounting hardware as shown in t he examples below. Remember not to overtighten any of the sc rews, or you might risk breaking i nternal tr aces in the su rroundi ng area, or damage
the motherboard in some other way.
Other examples of how to install your motherboard using other hardware (that may or may not have been
included with your chassis) are shown below.
One solution for installing motherboardType of hardwareAnother solution Another solution
screw
motherboard
base
stud
chassis wall
The diagrams above are only representative of a few solu tions for installing a
NOTE:
motherboard into the chassis. The installation procedure fo r installing your motherboard may differ.
Thunder i860 S2603
motherboard
base
standoff
chassis wall
motherboard
base
standoff
chassis wall
Figure 2.0
17
2.8 Installing Memory
Please keep in mind that although some memory modules may appear to be high-quality, they may contain inferior or substandard parts. The type of memory you choose to install should be checked against
the memory compatibility list, which is available from Tyan’s website at http://www.tyan.com
Memory Installation Procedure
Step
Step
Step
Line up your module so that the pins fit in to the slot. There is only one way your memory
1
module can fit properly. Make sure that the short row of pins is line d up with the short gap in
the RDRAM socket. See Figure 2.1 (on p.17) for graphic det ai ls on how the memor y sh ou ld
be installed.
Insert the memo ry module by pushin g it into t he socket w ith even force. Do not insert one
2
end and then the other: inst all the wh ole modul e at once or you m ight damag e the mem ory
module and/or the socket.
Lock the memory into place by pus hing the clips back on either en d of the socket onto the
3
notches in the ends of the memory module, as shown below.
12
Memory Uninstallation Procedure
Removing the RIMM is just the reverse: simply pull back the clips from the memory module (as shown
below), and carefully pull the module straight out. Place the memory modules in an anti-static bag as
soon as you remove them to avoid static damage.
18
NOTE:
21
Also take care that you do not cause yourself injury if you are removing the
memory modules after using the motherboard, since the module(s) may be hot.
http://www.tyan.com
Here are some details of memory installation for this board:
Inner and outer RIMM sockets must be matching (e.g. if you have one RIMM module in the inner
socket, another RIMM module must be installed in the other inner socket, and so on).
See p. 20 and Figure 2.1 (below) for an example.
Inner Modules
Outer ModuleOuter Module
are matching
Figure 2.1
Any empty slots must be filled with C-RIMM Continuity modules. Tyan has included (2) C-RIMM
modules for your convenience (examples** are shown above in Figure 2.1).
This motherboard supports up to 2GB* PC800 ECC Registered RDRAM. Check the Tyan memory compatibility section of the website for more details: http://www.tyan.com
* not verified at time of print, check the Tyan website for updates: http://www.tyan.com
** note: the examples may not necessarily represent the actual C-RIMMs included with the board.
Thunder i860 S2603
19
Memory Configuration Examples
Figure 2.2 and the table below should be used in conjunction to determine possible memory configura-
tions. Not all possible configurations are listed. (NOTE: C-RIMM means Continuity RIMM)
NOTE: The Rambus memory modules must be installed in a top-to-bottom fashion (e.g. fill in socket 1,
then socket 2, and match the memory quantity in socket 3 with socket 1’s memory quantity, and then
match the memory quantity in socket 4 with socket 2’s memory quantity, and so on).
A1
A2
D1
D2
C1
C2
B1
B2
64MBx1
C-RIMM
64MBx1
C-RIMM
0
0
0
0
A1
A2
B1
B2
C1
C2
D1
D2
Figure 2.2 - Overhead view of memory banks*
Total of 4GB** PC800 Registered RDRAM possible
64MBx1
C-RIMM
64MBx1
C-RIMM
64MBx1
C-RIMM
64MBx1
C-RIMM
64MBx1
64MBx1
64MBx1
64MBx1
64MBx1
64MBx1
64MBx1
64MBx1
128MBx1
C-RIMM
128MBx1
C-RIMM
128MBx1
C-RIMM
128MBx1
C-RIMM
128MBx1
128MBx1
128MBx1
128MBx1
128MBx1
128MBx1
128MBx1
128MBx1
256MBx1
C-RIMM
256MBx1
C-RIMM
256MBx1
C-RIMM
256MBx1
C-RIMM
512MBx1
C-RIMM
512MBx1
C-RIMM
512MBx1
C-RIMM
512MBx1
C-RIMM
512MBx1
512MBx1
512MBx1
512MBx1
512MBx1
512MBx1
512MBx1
512MBx1
128MB
TOTAL
* RIMM sockets are numbered in the diagram only, as an aid to proper memory installation
** not verified at time of print, check the Tyan website for updates: http://www.tyan.com
256MB
20
512MB512MB1024MB1024MB4096MB**2048MB**
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