Compaq Presario 305 Maintenance And Service Manual page 80

Before You Begin
Removal Sequence
Product Description
Specifications (continued)
Physical and environmental
System I/O Address
Diskette Drive
640K
128K
48K
160K
64K
15M
58M
58M
2M
4G
64K
Model
Display Dimensions
Height
Width
Depth
Weight
Contrast Ratio
Brightness
Total Power Consumption
Refresh
System Interrupts
System Memory Catalog
Hard Drive
Battery Pack
I/O Address (Hex) System Function (Shipping Configuration)
000h-00Fh Direct memory access controller
010h-01Fh Unused
020h-021h Programmable interrupt Controller
022h-024Fh Opti Chipset Configuration registers
025h-03F Unused
02E-02F 87334 Super IO configuration for CPU
040h-043h Counter/Timer Registers
044h-05Fh Unused
060h-060h Keyboard Controller
061h-061h Port B
062h-063h Unused
064h-064h Keyboard Controller
065h-06Fh Unused
070h-071h NMI Enable/Real Time Clock
072h-07F Unused
080h-08F DMA Page Registers
090h-091 Unused
092h-092h Port A
093h-09F Unused
0A0h-0A1h Interrupt controller no. 2
0A2h-0BFh Unused
0C0h-0DFh DMA Controller no. 2
0E0h-0EFh Unused
0F0h-0F1 Coprocessor Busy Clear/Reset
0F2h-0FF Unused
100h-16F Unused
170h-177 Secondary Fixed Disk Controller
178h-1EF Unused
1F0h-1F7 Primary Fixed Disk Controller
1F8h-200 Unused
201h-201 Joystick (Decoded in ESS 1688)
202h-21F Unused
220h-22F Entertainment Audio
230h-26D Unused
278h-27F Unused
280h-2AB Unused
2A8h-2E7 Unused
2E8h-2EF Reserved Serial Port
2F0h-2F7 Unused
2F8h-2FF Infrared Port
320h-36F Unused
378h-37F Parallel Port (LPT1/Default)
380h-387 Unused
388h-38B FM Synthesizer - OPL3
38Ch-3AF Unused
3B0h-3BB VGA
3BCh-3BF Reserved (Parallel Port/No EPP Support)
3C0h-3DF VGA
3E0h-3E1 PC Card Controller in CPU
3E8h-3EF Internal Modem
3F0h-3F7 "A" Diskette Controller
3F8h-3FF Serial Port (COM1/Default)
CF8h-CFB PCI Configuration Index Register (PCIDIVO-1)
CFCh-CFF PCI Configuration Index Register (PCIDIVO-1)
System Memory Catalog
Size Memory Address
00000000h-
0009FFFFh
000A0000h-
000BFFFFh
000C0000h-
000CBFFFh
000C8000h-
000E7FFFh
000E8000h-
000FFFFFh
00100000h-
00FFFFFFh
00100000h-
047FFFFFh
04800000h-
07FFFFFFh
08000000h-
080FFFFFh
08200000h-
FFFEFFFFh
FFFF0000h-
FFFFFFFFh
11.3-Inch Color TFT Display
U.S.
.22 in
9.93 in
7.32 in
0.61 lb
120 to 130 nit AC only/80 on battery
Presario 305 Model
Specifications
Troubleshooting
Pin Assignments
System I/O Address
System Function
Base Memory
Video Memory
Video BIOS
Unused
System BIOS
Extended Memory
Super Extended Memory
Unused
Video Memory (Direct Access)
Unused
System BIOS
Sharp
Metric
5.7 mm
252.4 mm
186.0 mm
307 g
<200
2.3 W
800 x 600
Parts Catalog
Battery Operations
Index
System DMA
Display
CD Drive
Sanyo
U.S.
.22 in
9.80 in
7.35 in
.76 lb
<200
120 to 130 nit AC only/80 on battery
2.3 W
800 x 600
Metric
5.7 mm
249.0 mm
186.7 mm
380 g