User`s guide

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B-1

Appendix B

Frequently Asked Question

Note: FAQ may be updated without notice. If

you cannot find the information that you need in

this appendix, visit our WWW home page,

(address: http://www.aopen.com.tw) and check

the FAQ area and other new information.

Q: How can I identify the mainboard BIOS version?

A: The AOpen mainboard BIOS version appears on the upper-left corner of the

POST (Power-On Self Test) screen. Normally, it starts with R and is found

in between the model name and the date. For example:

BIOS revision

AP53/AX53 R3.80 Oct.22.1996

Q: How can I identify version of the mainboard?

A: The AOpen mainboard version appears as ppppp-x on the PCB, near the

PCI slot and is enclosed in a white bordered box. The ppppp is the project

code used by AOpen internally and -x is the version code. For example, for

AP5T with 95152 project code and -1 version code, the mainboard version

appears on the PCB as follows:

MB verison -1

(AP5T-1)

95152-1

AP5T MB

48.87901.011

Summary of content (13 pages)

PAGE 1
Appendix B Frequently Asked Question Note: FAQ may be updated without notice. If you cannot find the information that you need in this appendix, visit our WWW home page, (address: http://www.aopen.com.tw) and check the FAQ area and other new information. Q: How can I identify the mainboard BIOS version? A: The AOpen mainboard BIOS version appears on the upper-left corner of the POST (Power-On Self Test) screen. Normally, it starts with R and is found in between the model name and the date.
PAGE 2
Frequently Asked Questions Q: Why the AOpen mainboards (MB) do not have cache module expansion slot? A: Faster CPU speed requires more difficult and complex MB timing design. Every trace and components delay must be taken into consideration. The expansion cache slot design will cause 2 or 3ns delay in PBSRAM timing, and the extended trace length to the cache module through the golden finger will further delay the timing by 1 or 2ns.
PAGE 3
Frequently Asked Questions market. Also, there is no chipset that can support P1394. Probably in the near future, a card will be developed to support P1394 device. Q: What is SMBus (System Management Bus, also called I2C bus)? A: SMBus is a two-wire bus developed for component communication (especially for semiconductor IC). It is most useful for notebook to detect component status and replace hardware configuration pin (pull-high or pulllow).
PAGE 4
Frequently Asked Questions Q: What is EDO (Extended Data Output) memory? A: The EDO DRAM technology of EDO is actually very similar to FPM (Fast Page Mode). Unlike traditional FPM that tri-states the memory output data to start the pre-charge activity, EDO DRAM holds the memory data valid until the next memory access cycle, that is similar to pipeline effect and reduces one clock state.
PAGE 5
Frequently Asked Questions A: The traditional PIO (Programmable I/O) IDE requires the CPU to involve in all the activities of the IDE access including waiting for the mechanical events. To reduce the workload of the CPU, the bus master IDE device transfers data from/to memory without interrupting CPU, and releases CPU to operate concurrently while data is transferring between memory and IDE device. You need the bus master IDE driver and the bus master IDE HDD to support bus master IDE mode.
PAGE 6
Frequently Asked Questions MB CPU DRAM VGA CDROM OS : AOpen AP5T : P54C-200 Mhz : 16MB * 2 (FP-7) : AOpen PV60 : AOpen CD-920E (20X) : Win95 OSR2 Model OS/Driver Mode Quantum Fireball 1.2G Quantum Fireball 1.2G Quantum ST1.6A Quantum ST1.
PAGE 7
Frequently Asked Questions immediately resume to your original work without the long time waiting from bootup, entering Win95 and running Winword. The AX5T with Intel TX chipset can support ACPI. Q: What is ATX Soft Power On/Off and Momentary Switch? A: The Soft Power On of the ATX specification means to provide a standby current for special circuit to wait for wakeup event when main power is off. For example, Infrared wakeup, modem wakeup, or voice wakeup.
PAGE 8
Frequently Asked Questions Intel 430FX Intel 430VX Intel 430HX Intel 430TX SIS 5571 SIS 5582 AP5C/P AP5VM/ AP5V AP53/ AP5K/ AX53 AP5T/ AX5T AP57 AP58/ AX58 3-1-1-1 3-1-1-1 7-3-3-3 6-3-3-3 7-2-2-2 6-2-2-2 NA 6-1-1-1 3-1-1-1 6-3-3-3 5-2-2-2 NA 3-1-1-1 6-3-3-3 5-2-2-2 5-1-1-1 3-1-1-1 3-1-1-1 5-3-3-3 5-3-3-3 4/5-2-2-2 4/5-2-2-2 (6/7-1-1-1) 6/7-1-1-1 Q: What is the memory performance improvement of TX chipset? A: Following is the compare table of TX+SDRAM, VX+SDRAM, TX+EDO, HX+EDO and VX+EDO.
PAGE 9
Frequently Asked Questions Deturbo by pressing <->. To back to Turbo mode, press <+>. Note that the Deturbo mode has been removed in new MBs since these require more code space in Flash ROM. Q: Power Management Icon does not appear in the Windows 95 Control Panel even though the APM under BIOS Setup is enabled. A: This problem occurs if you did not enable the APM function before you install Windows 95.
PAGE 10
Frequently Asked Questions Primary IDE Controller Secondary IDE Controller PCI Bridge: This device stands for the "ACPI" feature which implemented within PIIX4(82371AB) chipset. This new feature is expected to be fully utilized under Windows'97(Memphis). Please look for more details on ACPI from FAQ "What is ACPI?". PCI Card: There is driver ne cessary in order to support Universal Serial Device under Win'95. Microsoft has implemented the driver since Win'95 OEM Service Release 2.1 (OSR 2.
PAGE 11
Frequently Asked Questions 4.00.950B OEM Service Release 2 or OEM Service Release 2.1 If you are running OSR 2.1, you may tell it from by check ing "USB Supplement to OSR2" in the list of installed program of Add/Remove program tool under Control Panel, and checking for version 4.03.1212 of the Ntkern.vxd file in the Windows\System\Vmm32 folder. Q: What is the difference between AX5T-1 and AX5T-2? A: AX5T-2 fixes the ATX power supply to off state when you first time install your AX5T mainboard.
PAGE 12
Frequently Asked Questions OS : Windows 95 4.00.950 CPU MB Chipset Winstone97 Winstone97 Business High-End PP/MT 200 PP/MT 233 K6 PR200 * K6 PR210 (83.3MHz x 2.5) K6 PR233 * K6 PR250 (83.3MHz x 3) AP5T/AX5T AP5T/AX5T AP5T/AX5T AP5T Intel 430TX Intel 430TX Intel 430TX Intel 430TX 48.3 50.5 50.3 51.2 21.9 23.6 22 23 AP5T/AX5T AP5T Intel 430TX Intel 430TX 51.7 54 23.6 24.
PAGE 13
Frequently Asked Questions A: This is a software of Intel. The major goal is to provide an easy way for corporate network administrator to monitor the status of all the clients (workstation). You need at least DMI BIOS for LDCM. AOpen BIOS is also DMI ready but unfortunately, Intel LDCM needs Intel network card to work properly. It is obviously not suitable for home user to pay LDCM extra cost.