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United States January 2, 2003
Presario 305 Model
Before You Begin Specifications Parts Catalog
Removal Sequence Troubleshooting Battery Operations
Product Description Pin Assignments
Index
Specifications (continued)
Physical and environmental System Interrupts System DMA
System I/O Address System Memory Catalog Display
Diskette Drive Hard Drive CD Drive
Battery Pack
System I/O Address
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 System Function
640K 00000000h-
0009FFFFh
Base Memory
128K 000A0000h-
000BFFFFh
Video Memory
48K 000C0000h-
000CBFFFh
Video BIOS
160K 000C8000h-
000E7FFFh
Unused
64K 000E8000h-
000FFFFFh
System BIOS
15M 00100000h-
00FFFFFFh
Extended Memory
58M 00100000h-
047FFFFFh
Super Extended Memory
58M 04800000h-
07FFFFFFh
Unused
2M 08000000h-
080FFFFFh
Video Memory (Direct Access)
4G 08200000h-
FFFEFFFFh
Unused
64K FFFF0000h-
FFFFFFFFh
System BIOS
11.3-Inch Color TFT Display
Model Sharp Sanyo
U.S. Metric U.S. Metric
Display Dimensions
Height
Width
Depth
.22 in
9.93 in
7.32 in
5.7 mm
252.4 mm
186.0 mm
.22 in
9.80 in
7.35 in
5.7 mm
249.0 mm
186.7 mm
Weight
0.61 lb 307 g .76 lb 380 g
Contrast Ratio
<200 <200
Brightness
120 to 130 nit AC only/80 on battery 120 to 130 nit AC only/80 on battery
Total Power Consumption
2.3 W 2.3 W
Refresh
800 x 600 800 x 600
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