
Updated: December 4, 1996
The motherboards listed below have been tested for 6x86 processor electrical and functional compatibility by Cyrix Platform Verification Lab (PVL) and/or field engineers. This includes detailed application-based testing using Winstone® 96 and 32 benchmark suites under Windows® 95.
For motherboard technical support, contact the representative listed.
Motherboard Compatibility List Notes
- This is not an exclusive list. The boards listed below are only those that have been tested by Cyrix's Platform Verification Lab and field engineers. Other boards might be available that work just as well.
- If your preferred supplier is on this list, be sure and request the configuration recommended below.
- It is the motherboard vendor's responsibility to guarantee compatibility of newer board and BIOS revisions.
- All testing includes, but is not limited to, the following: operating systems -- Windows 95, Windows NT, OS/2, UNIX; hardware -- PCI, IDE and SCSI peripherals; software -- Windows applications, games.
PLATFORM | VCC | BIOS(*) | 6x86 CPU | CONTACT | COMMENTS |
Vendor | | | | | |
Model # | | Vendor | Tested |
Bd Rev. | Tested | Date/Rev. | Supported |
ABIT (Silicon Star)
PH5 | 3.3V | Award | P120+ | Steven Kao (TAI) | Sync L2 req. |
| | 12/08/95 | P120+ ONLY | 886-2-698-1888 | Linear Burst |
| | | | Daisy Wang (US) | module w/6x86 |
| | | | (510)623-0500,x111 |
| | | | Roland Liu (EUR) |
| | | | 44-1462-484599 |
 |
PT5R2 | 3.3V | Award | P166+ | (SAME) | Request bd w/ |
1.0 | 3.52V | 02/02/96 | P120+, P133+, | | 10A regulator. |
| | | P150+, P166+ | | |
| | | | | |
 |
PR5 | 3.52V | Award | P166+ | (SAME) | Request bd w/ |
1.01 | | 04/30/96 | P120+, P133, | | 10A regulator. |
| | | P150+, P166+ | | |
| | | | | |
 |
PN5 | 3.52V | Award | P166+ | (SAME) | Request bd w/ |
1.21 | | 04/17/96 | P120+, P133, | | 10A regulator. |
| | | P150+, P166+ | | |
| | | | | |
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Acer Open
AP5K | 3.52V | Award | P166+ | Perry Lee (US) | |
3.0 | | 09/02/96 | P120+, P150+, | (408)432-6200 |
| | | P166+ | Tracy Chang (EUR) |
| | | | 49-41-024880 |
| | | | Mark Uang (TAI) |
| | | | 886-2-545-5288 |
 |
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Asustek
Cyrix is still working with Asustek to finalize their Cyrix 6x86-compatible boards.
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Atrend
ATC1020 | 3.52V | Award | P166+ | Eric Wu (TAI) | |
1.0 | | 06/27/96 | P120+, P133+, | 886-2-698-2199 |
| | | P150+, P166+ | Richard Tung (US) |
| | | | (408) 383-0188 |
| | | | Andrew Chen (EUR) |
| | | | 31-24-3788809 |
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Azza
PT5IV | 3.52V | Award | P166+ | Rodney Morrison (US) | |
1.2 | | 07/30/96 | P120+, P133+, | (757)466-7810 |
| | | P150+, P166+ | Tina Huang (US) |
| | | | (909)869-0590 |
 |
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BCM
SQ585 | 3.52V | Award | P166+ | Hanson Chen (TAI) | |
A03 | | 07/26/96 | P120+, P133+, | 886-3-321-6771,x110 |
| | | P150+, P166+ | |
 |
SQ593 | 3.52V | Award | P166+ |
1.0 | | 07/05/96 | P120+, P133+, |
| | | P150+, P166+ |
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Biostar
8500 TAC | 3.3V | Award | P166+ | Jeff Chuang (TAI) | |
4.0 | 3.52V | 10/10/94 | P120+, P133+, | 886-2-218-0150 |
| | | P150+, P166+ | Angelina Shiang (US) |
| | | | (510)226-6678 |
| | | | Peter Yang (EUR) |
| | | | 31-49-907-1200 |
 |
8500 TUC | 3.3V | AMI | P166+ |
1.0 | | 2/16/96 | P120+, P133+, |
| | | P150+, P166+ |
 |
8500 TVX-A | 3.3V | AMI | P166+ |
| 3.52V | 06/07/96 | P120+, P133+, |
| | | P150+, P166+ |
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Chaintech
5IEM | 3.3V | Award | P166+ | Daphne Su (TAI) | |
| | 02/01/96 | P120+, P150+ | 886-2-240-7000 |
| | | P166+ | Grace Liang (US) |
| | | | (310)906-1698 |
| | | | Chevy Young (EUR) |
| | | | 49-40-696-9480 |
 |
5VGM | 3.52V | Award | P166+ | (SAME) | |
S102 | | 07/01/96 | P120+, P133+, | |
| | | P150+, P166+ | |
 |
5IFM | 3.52V | Award | P166+ | (SAME) | |
M201 | | 09/04/96 | P120+, P133+, | |
| | | P150+, P166+ | |
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DataExpert
EXP8661 | 3.52V | AMI | P166+ | Ted Chen (EUR) | |
1.1 | | 07/15/96 | P120+, P133+, | 31-20-632243 |
| | | P150+, P166+ | Michael Su (TAI) |
| | | | 886-2-698-1719 |
| | | | Michael Chen (US) |
| | | | 408-727-9888,x106 |
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DFI
G586IPC | 3.3V | Award | P166+ | Mark Hammoud (US) | |
B | 3.52V | 05/27/96 | P120+, P133+, | (916)568-1234,x4215 |
| | | P150+, P166+ | Alan Hsu (EUR) |
| | | | 1-81-776-5555 |
 |
G586 VPS Pro | 3.3V | Award | P200+ | (SAME) | P200+ support |
B1 | 3.52V | 06/15/96 | P120+, P133+, |
| | | P150+, P166+, |
| | | P200+ |
 |
G586SPB | 3.52V | Award | P166+ | (SAME) |
2.0 | | 09/11/96 | P120+, P133+, |
| | | P150+, P166+ |
| | |
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DTK
P56IPS | 3.52V | Award | P166+ | Harvey Liu (US) | |
V1 | | 10/04/96 | P120+, P133+, | (818)810-0098,x237 |
| | | P150+, P166+ | |
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ECS (Elite Computer Systems, Inc.)
TS54P-AIO | 3.3V | Phoenix | P166+ | Jeffery Day (TAI) | Request Cyrix |
1.4 | 3.52V | 02/06/96 | P120+, P133+, | 886-2-896-5859 | regulator |
| | | P150+, P166+ | Ben Totanes (US) | heatsink |
| | | | (510)683-6262 |
| | | | Paul Chou (EUR) |
| | | | 02-1-141-5070 |
 |
TR5510 | 3.3V | Award | P150+ | (SAME) | |
1.1A | | 01/26/96 | P120+, P150+ | | |
 |
P5HX-A | 3.52V | Award | P166+ | (SAME) | |
1.0 | | 04/01/96 | P120+, P133+, | |
| | | P150+, P166+ | |
 |
P5HX-B | 3.52V | Award | P166+ | (SAME) | |
1.0 | | 04/01/96 | P120+, P133+, | |
| | | P150+, P166+ | |
 |
P5VX-A | 3.52V | Award | P166+ | (SAME) |
1.0 | | 05/08/96 | P120+, P133+ |
| | | P150+, P166+ |
 |
P5VX-B | 3.52V | Award | P166+ | (SAME) | |
1.0 | | 05/08/96 | P120+, P133+, | |
| | | P150+, P166+ | |
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EFA
P55T-PIO-B | 3.3V | Award | P166+ | Danny Hsu (US) | |
0.0 | 3.52V | 03/01/96 | P120+, P150+, | (408)987-5400,x120 |
| | | P166+ |
 |
P55T-2SP-IO | 3.52V | Award | P166+ | (SAME) | |
| | 05/23/96 | P120+, P150+, | |
| | | P166+ |
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FIC
PA2002C | 3.3V | Award | P150+ | Robert Yang (TAI) | |
1.21 | 3.52V | 02/13/96 | P120+, P133+, | 886-2-714-8639 |
| | | P150+ | Jeffrey Lee (US) |
| | | | (510)252-7777 |
| | | | Wilson Chu (EUR) |
| | | | 31-73-273300 |
 |
PT2003 | 3.3V | Award | P166+ | (SAME) |
1.3 | 3.52V | 02/28/96 | P120+, P150+, |
| | | P166+ |
 |
PA2005 | 3.52V | Award | P166+ | (SAME) |
1.3 | | 05/07/96 | P120+, P133+, |
| | | P150+, P166+ |
PT2200 | 3.52V | AMI | P166+ | (SAME) |
2.1 | | Ver. TII 1.02 | P120+, P133+, |
| | | P150+, P166+ |
| | |
 |
PT2006 | 3.52V | Award | P166+ | (SAME) |
2.3 | | 08/24/96 | P120+, P133+, |
| | | P150+, P166+ |
| | |
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Free Computer Technology (Flexus)
586F63 | 3.52V | Award | P166+ | Vincent Huang (US) | |
T2 | | 07/22/96 | P120+, P133+, | (510)226-2777 |
| | | P150+, P166+ | Jack Liang (TAI) |
| | | | 886-2-787292 |
 |
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Gigabyte
586ATE/P | 3.3V | Award | P120+ | Richard Ma (TAI) | |
4.0 | | 02/08/96 | P120+ | 886-2-918-4839 |
| | | | Gary Tam (US) |
| | | | (818)854-9338 |
| | | | Tony Wang (EUR) |
| | | | 040-25501517 |
 |
GA586SVX | 3.3V | Award | P166+ | (SAME) |
1.5 | 3.52V | 06/25/96 | P120+, P133+, |
| | | P150+, P166+ |
| | |
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Holco (Shuttle)
HOT555 | 3.52V | Award | P166+ | David Pan (US) | |
1.4 | | 06/19/96 | P120+, P133+, | (408)945-1480 |
| | | P150+, P166+ | Richie Lin (EUR) |
| | | | 49-4121-47270 |
| | | | Michael Lin (TAI) |
| | | | 886-2-918-4839 |
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Hsingtech (JM Computer)
M520 | 3.52V | Award | P166+ | Spencer Wang (US) | |
1.7 | | 05/07/96 | P120+, P150+, | 1-800-331-2128 |
| | | P166+ | Jason Chen (EUR) |
| | | | 49-21-31-93130 |
| | | | Mr. Kuo (TAI) |
| | | | 886-2-511-8251 |
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Micro-Star (Achme Computer Inc.)
MS5128 | 3.52V | AMI | P166+ | Frank Lai (TAI) | |
1.0 | | 04/01/96 | P120+, P133+, | 886-2-218-2292 |
| | | P150+, P166+ | Chris Finotti (US) |
| | | | (510)623-8818,x119 |
| | | | Traddy Wu (EUR) |
| | | | 33-1-6027-0011 |
 |
MS5130 | 3.52V | Award | P166+ | (SAME) | |
1.0 | | 08/09/96 | P120+, P133+, | | |
| | | P150+, P166+ | | |
| | | | |
| | | | |
| | | | |
 |
MS5136 | 3.52V | Award | P166+ | (SAME) | |
1.0 | | 07/27/96 | P120+, P133+, | | |
| | | P150+, P166+ | | |
| | | | |
| | | | |
| | | | |
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Mitac
PH5400V | 3.52V | Award | P166+ | Francis Tai (TAI) | |
| | 09/09/96 | P120+, P150+, | 886-2-501-8231 |
| | | P166+ | 800-756-9888 (US) |
| | | | 44-1952-207-200 (EUR) |
 |
PV5400T | 3.52V | Award | P166+ | (SAME) | |
4A | | 07/04/96 | P120+, P150+, |
| | | P166+ |
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MTech
R526/W2 | 3.3V | Award | P166+ | Nancy Chu (US) | |
1.0 | | 01/18/96 | P120+, P150+, | (408)441-8818 |
| | | P166+ |
 |
R528 | 3.52V | Award | P166+ | (SAME) | |
| | 06/17/96 | P120+, P133+, | | |
| | | P150+, P166+ | | |
 |
R528WP | 3.5V | Award | P166+ | (SAME) | |
Cu | 3.3V | 06/13/96 | P120+, P150+, | | |
| | | P166+ | | |
 |
R529WP | 3.5V | Award | P166+ | (SAME) | |
B7 | 3.3V | 05/17/96 | P120+, P133+, | | |
| | | P150+, P166+ | | |
 |
R533WP | 3.5V | Award | P166+ | (SAME) | |
H7 | 3.3V | 09/20/96 | P120+, P133+, | | |
| | | P150+, P166+ | | |
 |
R534 | 3.5V | Award | P200+ | (SAME) | P200+ support |
B7 | 3.3V | 11/13/96 | P120+, P133+, | | |
| | | P150+, P166+, P200+ | | |
 |
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Octek (Ocean Information)
Rhino 6VX | 3.52V | Award | P166+ | Edmund Wong (US) | |
1.4 | | 08/16/96 | P120+, P133+ | (818)339-8888,x112 |
| | | P150+, P166+ | | |
 |
Rhino 9HX | 3.52V | Award | P166+ | (SAME) | |
1.4 | | 08/02/96 | P120+, P150+, |
| | | P166+ |
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QDI
P5I437 | 3.52V | Award | P166+ | Jones Ip (US) | |
2.0 | | 05/08/96 | P120+, P150+, | (408)955-0880 |
| | | P166+ | Edmond Chang (HK) |
| | | | 852-2590-0228 |
 |
P5I430VX | 3.52V | Award | P166+ | (SAME) | |
2.0 | | 07/10/96 | P120+, P150+, |
| | | P166+ |
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Soltek (FlashTek)
SL52A2 | 3.52V | Award | P166+ | Liu Yung-Fu (TAI) | |
| | 10/24/96 | P120+, P133+, | 886-2-698-2560 |
| | | P150+, P166+ | Alex Yang (US) |
| | | | (818)855-0700 |
 |
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Spring Circle Technology
ST586 | 3.52V | Award | P166+ | Hector Wu (US) | |
P561 | | 06/19/96 | P120+, P133+ | (909)869-5599 |
| | | P150+, P166+ |
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TMC
PCI54ITS | 3.3V | Award | P150+ | Colleen Archuleta (US) | |
2.0 | | 03/08/96 | P120+, P150+ | (408)262-0888,x217 |
| | | | Jack Kuo (EUR) |
| | | | 49-211-956090 |
 |
AI5TV | 3.52V | Award | P166+ | (SAME) | |
0.1 | | 04/26/96 | P120+, P133+, | |
| | | P150+, P166+ |
 |
TI5TV | 3.52V | AMI | P166+ | (SAME) | |
3.0 | | 10/11/96 | P120+, P133+, | |
| | | P150+, P166+ |
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Tyan
S1468 | 3.3V | Award | P150+ | Adam Vener (US) | |
PCB-05 | | Rev 3.0 | P120+, P150+ | (408)956-8000,x114 |
 |
S1562 | 3.52V | Award | P166+ | (SAME) |
| | 04/24/96 | P120+, P150+, |
| | | P166+ |
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Vextrec Technology Inc.
GMB P54IPS | 3.3V | Award | P150+ | Bobby Dick (US) | |
1.0 | | 02/06/96 | P120+, P150+ | (214)699-1699 |
 |
GMB P55IPS | 3.52V | Award | P166+ | (SAME) | |
3.3 | | 01/19/96 | P120+, P150+ | |
| | | P166+ | |

(*) The BIOS should be the date shown above or a later version.
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PLATFORM | VCC | BIOS(*) | 6x86 CPU | CONTACT | COMMENTS |
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Vendor | | | | | |
Model # | | Vendor | Tested |
Bd Rev. | Tested | Date/Rev. | Supported |
Acer, Inc.
V50LA | 3.52V | Acer | P120+ | Steven Garcia (US) | |
1.0 | | R02-B3 | P120+ | (408)433-4980 |
| | | | Raman Su (EUR) |
| | | | 31-40-501264 |
| | | | 886-2-545-5288 (TAI) |
 |
V52LA | 3.52V | Acer | P120+ | (SAME) |
1.0 | | R05-DIF4 | P120+ |
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Acer Open
AP5S | 3.3V | Award | P166+ | Perry Lee (US) | |
2.0 | 3.52V | Rev. 1.2 | P120+, P133+, | (408)432-6200 |
| | | P150+, P166+ | Tracy Chang (EUR) |
| | | | 49-41-024880 |
| | | | Mark Uang (TAI) |
| | | | 886-2-545-5288 |
 |
AP53 | 3.52V | AMI | P166+ | (SAME) |
3.0 | | 10/22/96 | P120+, P133+ |
| | Rev.3.80 | P150+, P166+ |
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Atrend
ATC1000 | 3.52V | Award | P150+ | Eric Wu (TAI) | |
CR3 | | 03/20/96 | P120+, P133+, | 886-2-698-2199 |
| | | P150+ | Richard Tung (US) |
| | | | (408) 383-0188 |
| | | | Andrew Chen (EUR) |
| | | | 31-24-3788809 |
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Gigabyte
GA-586ATS | 3.52V | Award | P166+ | Eric Lu (US) | |
2C | | 02/01/96 | P120+, P133+ | (818)854-9338 |
| | | P150+, P166+ | Tony Wang (EUR) |
| | | | 040-25-501517 |
| | | | Richard Ma (TAI) |
| | | | 886-2-918-4839 |
 |
GA-586ATM | 3.52V | Award | P166+ | (SAME) |
5.0 | | 02/02/96 | P120+, P150+ |
| | | P166+
|
 |
GA-586ATV | 3.52V | Award | P166+ | (SAME) |
1A | | 05/15/96 | P120+, P133+ |
| | | P150+, P166+
|
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Holco (Shuttle)
HOT541 | 3.3V | Award | P120+ | David Pan (US) | |
2.5 | | 01/18/96 | P120+ | (408)945-1480 |
| | | | Richie Lin (EUR) |
| | | | 49-4121-47270 |
| | | | Michael Lin (TAI) |
| | | | 886-2-797-9668 |
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Jetway
J656C | 3.52V | Award | P166+ | Alfred Yau (US) | |
B or C | | 03/28/96 | P120+, P150+, | (818)856-5800 |
| | | P166+ | |
| | | | |
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Micro-Star (Achme Computer Inc.)
MS5129 | 3.52V | AMI | P166+ | Frank Lai (TAI) | |
| | 04/16/96 | P120+, P133+, | 886-2-218-2292 |
| | | P150+, P166+ | Chris Finotti (US) |
| | | | (510)623-8818,x119 |
| | | | Traddy Wu (EUR) |
| | | | 33-1-6027-0011 |
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Nycom
MBD-5SP2/C | 3.3V | AMI | P166+ | Brian Grace (US) | |
4.0 | 3.52V | 02/29/96 | P120+, P133+, | (908)469-7800 |
| | | P150+, P166+ |
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Soyo
SY-5TE2 | 3.3V | Award | P150+ | Peter Sang (US) | Ask for 6x86 |
(256KB cache) | 3.52V | UA2.2 | P120+, P133+, | (818)330-1712 | compliant |
| | S.I.M. | P150+ | Mustafa Sahin (EUR) | heatsink |
| | | | 31 79 3414274 |
| | | | Andy Chu (TAI) |
| | | | 886-2-579-2200 |
 |
SY-5TE5 | 3.3V | Award | P150+ | (SAME) | Ask for 6x86 |
(512KB cache) | 3.52V | UA2.2 | P120+, P133+, | | compliant |
| | S.I.M. | P150+ | | heatsink |
 |
5TE | 3.52V | Award | P150+ | (SAME) |
I3 | | 01/18/96 | P120+, P150+ |
 |
5TCU | 3.52V | Award | P150+ | (SAME) |
F2 | | 01/27/96 | P120+, P150+ |
 |
5TC5 | 3.52V | Award | P150+ | (SAME) |
| | 01/20/96 | P120+, P150+ |
 |
5VA2 | 3.52V | Award | P166+ | (SAME) |
2.0 | | 06/11/96 | P120+, P133+, |
| | | P150+, P166+
|
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Tatung
TCS5900 | 3.3V | AMI | P166+ | Betty Sun (US) | |
R020 | | 01/18/96 | P120+, P150+, | (310)637-2105 |
| | | P166+ | David Liu (EUR) |
| | | | 017-482-1033 |
| | | | C.H. Chiu (TAI) |
| | | | 886-2-598-4556 |
(*) The BIOS should be the date shown above or a later version.
¹ These platforms were tested by the motherboard vendor and verified by the Cyrix field engineers. They have not been completely tested by the Cyrix Platform Verification Lab.
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