System Resources
21
3
System Resources
3.1 System Memory Map
PCI and ISA interrupts supported by the GX2/CS5355 are as fol-
lows:
1
TOM = Top of Memory depends on amount of memory installed
3.2 Direct Memory Access Channels
Note 1: If the corresponding device is disabled in BIOS setup then
the DMA channel can be used by customers hardware.
Note 2: Not available if Parallel Port is used in ECP mode (Enhanced
Parallel Port).
Address Range
(decimal)
Address Range (hex)
Size
Description
1024 K - TOM
(1)
100000 - TOM
N.A.
Extended memory
928 K - 1024 K
E8000 - FFFFF
96 KB
System BIOS
896 K - 928 K
E0000 - E7FFF
32 KB
System BIOS (Available as UMB)
800 K - 896 K
C8000 - DFFFF
96 KB
Available high DOS memory
(open to ISA and PCI buses)
640 K - 800 K
A0000 - C7FFF
160 KB
Video memory and BIOS
0 K - 640 K
00000 - 9FFFF
640 KB
Conventional memory
Channel Number Data Width
System Resource
Available
0
8- or 16-bits
Open
Yes
1
8- or 16-bits
Open
Yes
2
8- or 16-bits
Open
Note1
3
8- or 16-bits
Open
Note2
4
16 bits
AT DMA Controller (PnP)
No
5
16-bits
Open
Yes
6
16-bits
Open
Yes
7
16-bits
Open
Yes
Summary of Contents for NuPRO-796 Series
Page 4: ......
Page 13: ...Introduction 5 1 4 NuPRO 796 Functional Diagram Figure 1 1 NuPRO 796 Block Diagram ...
Page 14: ...6 Introduction 1 5 NuPRO 796 Mechanical Diagram Figure 1 2 NuPRO 796 Carrier Board Layout ...
Page 28: ...20 Connectors and Jumpers ...
Page 45: ...Phoenix Award BIOS 37 4 5 3 Onboard Audio Enable or Disable ...
Page 68: ...60 Watchdog Timer ...