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I/O Map - IBM 4840-563 System Reference Manual

Technical system reference surepos 500 series
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I/O Map

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