IBM 4840-563 System Reference - Page 38

I/O Map, SurePOS 500 Model XX3 Technical Reference, v 1.3,

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

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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
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