14
Altos G310
Diskette Drive Interface
Item
Specification
Diskette drive controller
Built-in NS PC87373 super I/O controller
Diskette drive controller resident bus
LPC bus
Supported diskette drive formats
1.44MB, 2.88MB format and slim type diskette drive
Function control
Enable/disable by BIOS Setup
Serial Port
Item
Specification
Serial port controller
Built-in NS PC87373 super I/O controller
Serial port controller resident bus
LPC bus
Number of serial port
2
Serial port locations
J4
Supports 16550 UART
Yes
Connector type
9-pin D-type male connector
Optional serial port I/O address
(via BIOS Setup)
3F8h
2F8h
3E8h
2E8h
Optional serial port IRQ
(via BIOS Setup)
IRQ 4
IRQ 11
Memory Address Map
Address
Size
Function
0000000-009FFFF
640 KB System Memory
Onboard DRAM
00A0000-00BFFFF
128 KB Video RAM
Reserved for Graphics Display Buffer
Non-Cacheable
00C0000-00CFFFF
32 KB I/O Expansion ROM
Reserved for ROM on I/O Adapters
00D0000-00D3FFF
16 KB I/O Expansion ROM
Reserved for ROM on I/O Adapters
00D4000-00D7FFF
16 KB I/O Expansion ROM
Reserved for ROM on I/O Adapters
00D8000-00DBFFF
16 KB I/O Expansion ROM
Reserved for ROM on I/O Adapters
00DC000-00DFFFF
16 KB I/O Expansion ROM
Reserved for ROM on I/O Adapters
00E0000-00E7FFF
32 KB for SCSI BIOS
Reserved for SCSI BIOS
00E8000-00EFFFF
32 KB
Reserved Onboard
00F0000-00FFFFF
64 KB BIOS
System ROM BIOS (ROM)
System RAM BIOS (DRAM)
0100000-0F9FFFF
System Memory
Onboard DRAM
0FA0000-0FFFFFF
384 KB I/O Card Memory
Reserved for Memory Map
I/O Card
Non-Cacheable
1000000-FFFFFFF
System Memory
Onboard DRAM
Содержание G310 Altos
Страница 15: ...8 Altos G310 System Block Diagram R...
Страница 29: ...22 Altos G310...
Страница 58: ...Chapter 3 50 Disassembly Flowchart...
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Страница 91: ...81 Altos G310 Exploded Diagram...
Страница 113: ...103 Appendix C...