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Maintenance &
Service Guide
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Video Memory |
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Resolution | Colors | Vertical Refresh (Hz) |
1280 × 1024* | 256 | |
1024 × 768 | 64K | 75 |
800 × 600 (Default) | 64K | 75 |
640 × 480 | 64K | 75 |
1024 × 768 | 256 | 75 |
800 × 600 | 256 | 75 |
640 × 480 | 256 | 75 |
*The 2254, 2255, 2510, 2410 ES Series Series high resolution of 1280 × 1024 × 256 can only be achieved if the monitor supports this resolution. |
System DMA |
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Hardware | System Function (Default) | Alternate Mappings |
DMA 0 | Available | |
DMA 1 | Entertainment Audio | 0, 3, none |
DMA 2 | Diskette Drive | None |
DMA 3 | Available | |
DMA 4 | Internally used for cascading | |
DMA 5 | Entertainment Audio | 0, 1, none |
DMA 6 | Available | |
DMA 7 | Available |
System Interrupts |
|
Hardware IRQ | System Function |
IRQ 0 | Refresh Timer |
IRQ 1 | Keyboard |
IRQ 2 | Interrupt Controller Cascade |
IRQ 3 | Modem (COM 2) shared data/fax |
IRQ 4 | Serial Port (COM 1) |
IRQ 5 | System Audio* |
IRQ 6 | Diskette Drive Controller |
IRQ 7 | Parallel Port (LPT 1)* |
IRQ 8 | Real-Time Clock |
IRQ 9 | USB |
IRQ 10 | Available |
IRQ 11 | PCI Interrupt, Video, DVD |
IRQ 12 | PS/2 Mouse |
IRQ 13 | Numeric Coprocessor |
IRQ 14 | Primary IDE Interface |
IRQ 15 | Secondary IDE Interface |
System I/O |
|
I/O Address (Hex) | System Function (Shipping Configuration) |
0000h - 000Fh | Direct Memory Access (DMA) Controller |
0020h - 0021h | Programmable Interrupt Controller |
0040h - 0043h | System Timer |
0060h - 0060h | Standard 101/102-Key or Microsoft Natural Keyboard |
0061h - 0061h | System Speaker |
0064h - 0064h | Standard 101/102-Key or Microsoft Natural Keyboard |
0070h - 0071h | System CMOS/Real Time Clock |
0080h - 0080h | Motherboard Resources |
0081h - 008Fh | Direct Memory Access (DMA) Controller |
00A0h - 00A1h | Programmable Interrupt Controller |
00C0h - 00DFh | Direct Memory Access (DMA) Controller |
00ECh - 00EFh | Motherboard Resources |
00F0h - 00FFh | Numeric Data Processor |
0170h - 0177h | Standard IDE/ESDI Hard Disk Controller |
01F0h - 01F7h | Standard IDE/ESDI Hard Disk Controller |
0201h - 0201h | Gameport Joystick |
0220h - 022Fh | XpressAUDIO 16-bit sound |
02F8h - 02FFh | Compaq 336-Dfi, 56K Upgradable Modem |
0330h - 0331h | XpressAUDIO 16-bit sound |
0376h - 0376h | Standard IDE/ESDI Hard Disk Controller |
I/O Address (Hex) | System Function (Shipping Configuration) | |
0378h - 037Fh | Printer Port (LPT1) | |
0388h - 038Bh | XpressAUDIO 16-bit sound | |
03B0h - 03BBh | Cyrix GX | |
03C0h - 03DFh | Cyrix GX | |
03F0h - 03F5h | Standard Diskette Drive Controller | |
03F6h - 03F6h | Standard IDE/ESDI Hard Disk Controller | |
03F7h - 03F7h | Standard Diskette Drive Controller | |
03F8h - 03FFh | Communications Port (COM1) | |
0480 - 048Fh | Motherboard Resources | |
04D0h - 04D1h | Motherboard Resources | |
0CF8h - 0CFFh | PCI bus | |
10ECh - 10EFh | Motherboard Resources | |
20ECh - 20EFh | Motherboard Resources | |
3000h - 303Fh | PCI Standard ISA Bridge | |
30ECh - 30EFh | Motherboard Resources | |
4000h - 400Fh | Motherboard Resources | |
40ECh - 40EFh | Motherboard Resources | |
50ECh - 50EFh | Motherboard Resources | |
60ECh - 60EFh | Motherboard Resources | |
70ECh - 70EFh | Motherboard Resources | |
80ECh - 80EFh | Motherboard Resources | |
90ECh - 90EFh | Motherboard Resources | |
A0ECh - A0EFh | Motherboard Resources | |
B0ECh - B0EFh | Motherboard Resources | |
C0ECh - C0EFh | Motherboard Resources | |
D0ECh - D0EFh | Motherboard Resources | |
E0ECh - E0EFh | Motherboard Resources | |
F0ECh - F0EFh | Motherboard Resources |
System Memory |
|
Memory Address | System Function |
00000000h - 0009FFFFh | System Board extension for PnP BIOS |
000A0000h - 000AFFFFh | Cyrix GX |
000C0000h - 000C7FFFh | Cyrix GX |
000E0000h - 000FFFFFh | System Board extension for PnP BIOS |
00100000h - 00DDFFFFh | System Board extension for PnP BIOS |
40000000h - 4FFFFFFFh | Motherboard Resources |
FFFC0000h - FFFFFFFFh | Motherboard Resources |
Power Supply |
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U. S. | Metric | |||
Input Specifications | ||||
Nominal Line Voltage | 180 to 264 VAC | 180 to 264 VAC | ||
Range Input Line | 90 to 132 VAC | 90 to 132 VAC | ||
Frequency Range | 47 to 63 Hz | 47 to 63 Hz | ||
Power Factor | 0.6 | 0.6 | ||
Input Power | 280 Watts | 280 Watts | ||
Input Current | 3.0 at 90 VAC | 3.0 at 180 VAC | ||
Inrush Current | 60 A at 132 VAC (cold start) | 60 A at 264 VAC (cold start) | ||
Holdup Time | 16 ms from zero crossing at 120 VAC | 16 ms from zero crossing at 240 VAC | ||
General Specifications | ||||
Full Output Rating | To 122° F and 5,000
ft To 90° F and 10,000 ft (derate linearly) |
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Minimum Load | 3.0 A on + 5.0 V output; 0.04 A on 12 V output | |||
Ambient Temperature Range | ||||
Operating | 50° to 122° F | 10° to 50° C | ||
Storage | -40° to 151° F | -40° to 66° C | ||
Dielectric Voltage Withstand | ||||
Input to Ground | 2500 VAC/1 second | |||
Safety Standard | UL 1950; CSA 22.2 #950 or CSA 22.2 #234; TUV/VDE EN 60 950 (VDE0805/11.91); EMKO-TSE (74-SEC) 207/93 | |||
Input Transient Susceptibility | ||||
Common and
Differential Mode (superimposed on AC line) |
2500 V, 1 us, damped
sinusoid 600 V, 10 us pulse |
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Differential Mode | 20% step change in AC input voltage |
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