187
14h
Verify that the 8742 keyboard controller is
responding. Send a self-test command to
the 8742 and wait for results. Also read the
switch inputs from the 8742 and write the
keyboard controller command byte.
16h
1-2-2-3
Verify that the ROM BIOS checksums to
zero.
17h
Initialize external cache before autosizing
memory.
18h
Initialize all three of the 8254 timers. Set the
clock timer (0) to binary count, mode 3
(square wave mode), and read/write LSB
then MSB. Initialize the clock timer to zero.
Set the RAM refresh timer (1) to binary
count, mode 2 (Rate Generator), and read/
write LSB only. Set the counter to 12H to
generate the refresh at the proper rate. Set
sound timer (2) to binary count, mode 3,
and read/write LSB, then MSB.
1Ah
Initialize DMA command register with these
settings:
1. Memory to memory disabled
2. Channel 0 hold address disabled
3. Controller enabled
4. Normal timing
5. Fixed priority
6. Late write selection
7. DREQ sense active
8. DACK sense active low
Initialize all 8 DMA channels with these
settings:
1. Single mode
2. Address increment
3. Auto initialization disabled (channel 4 -
Cascade)
4. Verify transfer
Checkpoint
Code
Beep Code
Description
Содержание Altos R710
Страница 1: ...Acer Altos R710 User s Guide ...
Страница 12: ......
Страница 13: ...1 System information ...
Страница 21: ...2 System tour ...
Страница 22: ...This chapter provides locations of various components and ports and instructions on how to set up the system ...
Страница 36: ...2 System tour 24 H Front Bezel I Chassis Handles J Control Panel K Hard Drive Bays Item Description ...
Страница 37: ...3 Getting Started ...
Страница 38: ...This chapter gives information on setting up and starting to use your system ...
Страница 42: ...3 Getting Started 30 ...
Страница 43: ...4 Configuring the system ...
Страница 94: ...4 Configuring the system 82 ...
Страница 95: ...5 BIOS setup ...
Страница 100: ...5 BIOS setup 88 9 Close the chassis 10 Run Setup to restore the configuration settings to the RTC ...
Страница 155: ...6 Troubleshooting ...
Страница 156: ...This chapter helps you identify and solve problems that might occur while you are using the system ...
Страница 170: ...6 Troubleshooting 158 ...
Страница 171: ...Appendix A Management software installation ...
Страница 172: ...This appendix shows you how to install the ASM software packages ...
Страница 176: ...Appendix A Management software installation 164 ...
Страница 177: ...Appendix B Tool less rail kit installation ...
Страница 178: ...This appendix shows you how to use the optional rail kit to put your Altos R710 server into a server rack ...
Страница 189: ...Appendix C RAID Configuration ...
Страница 190: ...This appendix shows you how to create RAID ...
Страница 195: ...Appendix D BIOS POST Checkpoint Codes ...
Страница 211: ...199 F7h Boot to Full DOS Checkpoint Code Beep Code Description ...
Страница 212: ...Appendix D BIOS POST Checkpoint Codes 200 ...
Страница 214: ...202 U Upgrading the CPU 45 62 80 Upgrading the system 33 ...