SYS68K/CPU-30 R4 Technical Reference Manual
Hardware Description
Page 93
3.14.4 "BM" LED
If the CPU board is the current VMEbus master, the green BM LED is lit.
This provides the user with a convenient visual indication of the status of
the VMEbus.
3.14.5 Rotary
Switches
There are two rotary switches (SW1 and SW2) which are each four-bit
hexadecimal encoded. These switches are completely under software
control. The default setting is FF
16
.
SEE ALSO: For a detailed description of the use of these switches under
VMEPROM, please refer to Section 5.4.3, ‘Control Switches (Rotary
Switches),’ on page 127.
In combination with the RESET and ABORT switches, the rotary
switches have a special function which is described in the Boot Software
description of the FGA-002 User's Manual.
3.14.6 Reserved
Switches
Switches SW13-3 and SW13-4 are reserved and must be in the default
OFF position.
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Содержание SYS68K/CPU-30 R4
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Страница 132: ...SYS68K CPU 30 R4 Technical Reference Manual Set of Data Sheets Page 119 4 2 3 PI T TS68230...
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Страница 135: ...Set of Data Sheets SYS68K CPU 30 R4 Technical Reference Manual Page 122 4 2 6 LANCE Am79C90...
Страница 136: ...SYS68K CPU 30 R4 Technical Reference Manual Set of Data Sheets Page 123 4 2 7 SIA Am7992B...
Страница 137: ...Set of Data Sheets SYS68K CPU 30 R4 Technical Reference Manual Page 124 4 2 8 Motorola MC68030 and MC68882...
Страница 145: ...VMEPROM SYS68K CPU 30 R4 Technical Reference Manual Page 132...
Страница 189: ...Appendix to VMEPROM SYS68K CPU 30 R4 Technical Reference Manual Page 176...