I/O Map
ADDRESS
(HEX)
SIZE (DEC)
DESCRIPTION
REFERENCE
0000-001F
32 bytes
Intel 82801DB (ICH4), Master DMA Controller
Intel 82801DB
(ICH4)
0020-003F
32 bytes
Intel 82801DB (ICH4), Master Interrupt
Controller
Intel 82801DB
(ICH4)
0030-003F
16 bytes
Intel 82801DB (ICH4), Interrupt Controller #1
Intel 82801DB
(ICH4)
0040-005F
32 bytes
Intel 82801DB (ICH4), Counter/Timer 1
Intel 82801DB
(ICH4)
0060
1 byte
SMC LPC47M192 Keyboard Data (on ISA data
bus)
SMC LPC47M192
0061, 63, 65,
67
1 byte each Intel 82801DB (ICH4), System Port B, NMI
controller
Intel 82801DB
(ICH4)
0064
1 byte
SMC LPC47M192, 8042 Keyboard Controller,
Command and Status Byte (on ISA data bus)
SMC LPC47M192
0062, 64, 66,
68-6F
AVAILABLE
Intel 82801DB
(ICH4)
0070, bit 7
write only
1 bit
Intel 82801DB (ICH4), Enable/Disable NMI
Intel 82801DB
(ICH4)
0070, bits 6:0
7 bits
Intel 82801DB (ICH4), Real Time Clock (RTC)
Address
Intel 82801DB
(ICH4)
0071
1 byte
Intel 82801DB (ICH4), RTC and CMOS Data
Intel 82801DB
(ICH4)
0072-0077
6 bytes
Intel 82801DB (ICH4), RTC and CMOS
Intel 82801DB
(ICH4)
0078-007F
8 bytes
AVAILABLE
Intel 82801DB
(ICH4)
0080
1 byte
POST Checkpoint Register
N/A
0081-008F
15 bytes
Intel 82801DB (ICH4), DMA Controller
Intel 82801DB
(ICH4)
0090-0091
2 bytes
AVAILABLE
Intel 82801DB
(ICH4)
0092
1 byte
Intel 82801DB (ICH4), System Control Register
Intel 82801DB
(ICH4)
0093-009F
13 bytes
Intel 82801DB (ICH4), DMA Controller
Intel 82801DB
(ICH4)
00A0-00B1
18 bytes
Intel 82801DB (ICH4), Slave Interrupt Controller Intel 82801DB
(ICH4)
00B2-00B3
2 bytes
Intel 82801DB (ICH4), Power Management
Intel 82801DB
(ICH4)
00B4-00BF
12 bytes
Intel 82801DB (ICH4), Slave Interrupt Controller Intel 82801DB
(ICH4)
00C0-00DF
32 bytes
Intel 82801DB (ICH4), Slave DMA Controller
Intel 82801DB
(ICH4)
00E0-00EF
16 bytes
Intel 82801DB (ICH4),
Intel 82801DB
(ICH4)
00F0-00FF
16 bytes
Intel 82845GV (MCH4), numeric data processor
Intel 82845GV
(MCH4)
01F0-01F7
8 bytes
IDE Channel 0 (decoded by Intel 82801DB
(ICH4))
Intel 82801DB
(ICH4)
0295-0296
6 bytes
SMC LPC47M192 Index/Data port for LPC
SMC LPC47M192
SurePOS 500 Model XX3 Technical Reference, v 1.3 Page 38 of
81
Summary of Contents for 4840-563
Page 15: ...Chapter 3 Architectural Overview SurePOS 500 Model XX3 Technical Reference v 1 3 Page 15 of 81...
Page 17: ...Main Board Block Diagram SurePOS 500 Model XX3 Technical Reference v 1 3 Page 17 of 81...
Page 80: ...SurePOS 500 Model XX3 Technical Reference v 1 3 Page 80 of 81...
Page 81: ...END OF DOCUMENT SurePOS 500 Model XX3 Technical Reference v 1 3 Page 81 of 81...