XEN-PC OWNER'S HANDBOOK
A/15
Inside the Apricot XEN-PC
Appendix A
JP22
JP22 must always be open.
JP24, 25, 26
These three jumpers are used to indicate the size of external
cache installed on the motherboard.
Cache size
JP24
JP25
JP26
64k
OPEN
OPEN
2-3
128k
OPEN
CLOSE
1-2
256k
CLOSE
CLOSE
2-3
JP28
JP28 is used to enable the 4Mbytes of RAM soldered to the
motherboard. When pins 1 and 2 are connected the RAM is
enabled, when pins 2 and 3 are connected the RAM is disabled.
There should never be any need to disable the motherboard
RAM.
Hard disk drive types
Drive
Type
ELS85A
45
ELS170A
52
LPS240A
53
LPS525A
58
Generic
80
The generic drive type 80 should be used for drives with more
than 1024 cylinders. It defines a drive with 1024 cylinders, 16
heads and 63 sectors/track giving a capacity of 528 million
bytes.
Содержание XEN-PC apricot
Страница 1: ...apricot XEN PC OWNER S HANDBOOK MITSUBISHI ELECTRIC ...
Страница 2: ...Chapter OWNER S HANDBOOK ...
Страница 8: ...Chapter CONTENTS ...
Страница 12: ...Chapter INTRODUCING THE APRICOT XEN PC Chapter1 ...
Страница 16: ...1 4 XEN PC OWNER S HANDBOOK Introducing the Apricot XEN PC Chapter 1 2 1 3 4 5 ...
Страница 18: ...1 6 XEN PC OWNER S HANDBOOK Introducing the Apricot XEN PC Chapter 1 11 12 10 1 3 9 10 2 4 5 6 7 8 13 ...
Страница 21: ...Chapter Chapter2 GETTING STARTED WITH THE APRICOT XEN PC ...
Страница 31: ...Chapter Chapter3 OPERATING THE APRICOT XEN PC ...
Страница 52: ...Chapter Chapter4 CARING FOR THE APRICOT XEN PC ...
Страница 60: ...Chapter Chapter5 UPGRADING THE APRICOT XEN PC ...
Страница 89: ...Chapter Chapter6 USING THE SETUP UTILITY ...
Страница 103: ...Chapter Chapter7 TROUBLESHOOTING ...
Страница 119: ...Chapter AppendixA INSIDE THE APRICOT XEN PC ...
Страница 135: ...Chapter AppendixB TECHNICAL INFORMATION ...