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Maintenance & Service Guide
Presario 2250 Series
2510, 2410 ES & 4240 ES Personal Computers

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Specifications

 

Model: 4240 ES

System
Video Memory
System Interrupts
System I/O
System DMA
Power Supply

Model: 2254, 2255, 2510, 2410 ES

System
Video Memory
System Interrupts
System IO
System Memory
System DMA
Power Supply

Mass Storage
Diskette Drive
3.2-GB Hard Drive
4.0-GB Hard Drive
6.0-GB Hard Drive
8.0-GB Hard Drive
CD Drive
DVD Drives

Communication
Modem (56Kflex)
Modem (33.6 Kbps)

This section provides physical, environmental and performance specifications for the Compaq 2250, 2510, 2410 ES and 4240 ES Series of Personal Computers.


System Specifications

Models: 4240 ES, 2250 Series, 2410 ES, 2510

System Specifications

 

U. S.

Metric

Dimensions

 

 

Height

5.23 in

13.3 cm

Depth

17.80 in

45.2 cm

Width

15.76 in

40.03 cm

Weight

22 lbs.

9.99 kg
Gross Shipping Weight 31.20 lbs. 14.17 kg
Input Requirements    
Nominal Line Voltage 180 to 264 VAC 180 to 264 VAC
Range Line Voltage 90 to 132 VAC 180 to 264 VAC
Line Frequency 47 to 63 Hz 47 to 63 Hz
Input Current 5.2 at 90 VAC 3.6 at 180 VAC
Power (watts)    
Steady State - 4240 ES Series
- 2254, 2255, 2510, 2410 ES Series,
110 Watt
75 Watt
 
Environmental Requirements    
Temperature    
Operating 50° to 95° F 10° to 35° C
Shipping -4° to 140° F -20° to 60° C
Humidity (non-condensing)    
Operating 8% to 90% 8% to 90%
Non-operating 5% to 95% 5% to 95%
Maximum Altitude (unpressurized)    
Operating 10,000 ft 3048 m
Non-operating 30,000 ft 9144 m

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System Video Memory

Model: 4240 ES

Video Memory

Resolution Colors Vertical Refresh (Hz)
1280 × 1024 256 75
800 × 600 (Default) 64K 75
640 × 480 64K 75
1024 × 768 256 75
800 × 600 256 75
640 × 480 256 75

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System Interrupts

Model: 4240 ES

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
IRQ 7 Parallel Port (LPT 1)*
IRQ 8 Real-Time Clock
IRQ 9 Available
IRQ 10 ISDN Modem if present*
Hardware IRQ System Function
IRQ 11 PCI Bus shared with Video, USB, DVD
IRQ 12 Mouse
IRQ 13 Numeric Coprocessor
IRQ 14 Disk Drive (Primary)
IRQ 15 Disk Drive (Secondary)
*Default Configuration; Other Configurations are the following:
Modem - IRQ 4, 10, 11, none
Parallel Port - IRQ 3, 4, 5, 9, 10, none
System Audio - IRQ 7, 9, 10, none
Serial Port - IRQ 3, 5, 7, 9, 10, 12, none

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System I/O

Model: 4240 ES

System I/O

I/O Address (Hex) System Function (Shipping Configuration)
000 - 00F DMA Controller # 1
010 - 01F Unused
020 Interrupt Controller # 1 Control Register
021 Interrupt Controller #1 Mask Register
022 - 03D Interrupt Controller Aliases
040 - 043 Counter/Timer
044 - 04F Unused
050-053 Counter/Timer Aliases
053-05F Unused
060 Keyboard Controller Data Register
061 Port B: SERR/IOCHK NMI, Speaker Refresh
062 - 063 Unused
064 Keyboard Controller Command/Status Register
065 - 06F Unused
070 - 071 NMI Enable/Real-Time Clock
072 RTC Extended Index
073 RTC Extended Data
074-07F Unused
080 - 08F DMA Page Registers
090 - 091 Unused
092 Port 92 (fast reset and A20 gate)
093 - 09F Unused
0A0 - 0A1 Interrupt Controller # 2
0B2 APM Control
0B3 APM Status
0B4-0BF Unused
0C0 - 0DF DMA Controller # 2
I/O Address (Hex) System Function (Shipping Configuration)
0E2 - 0E3 DDC2 Registers
0E4 - 0E5 Master I2C Interface
0EA- 0EB Ultra I/O Indexed Configuration Registers
0EC- 0EF Modem Configuration
0EE - 0EF 483 Fast A20/Fast Reset
0F0 - 0F1 Coprocessor Busy Clear/Reset
0F2 - 0F8 Unused
OFA Unused
0FC-0FF Unused
100 - 101 Unused
102 Video Controller: POS 102 Register
103-12F Unused
132 - 16F Unused
170 - 177 Secondary IDE Controller (CD Drive)
178 - 1EF Unused
1F0 - 1F7 Primary IDE Controller (Hard Drive)
1F8 - 200 Unused
201 Joystick (Decode in ES 1869)
202 - 21F Unused
220 - 22F Entertainment Audio
230 - 25F Unused
260 - 263 Reserved-Modem use during POST
264 - 277 Unused
278 - 27F Reserved Parallel Port (LPT 2)
280 - 2E7 Unused
2E8 - 2EF Reserved Serial Port (COM 4)
2F0 - 2F7 Unused
2F8 - 2FF Modem (COM 2)
330 - 331 MPU-401 (Decode in ES 1869)
332 - 36F Unused
370 - 377 Reserved-Diskette Drive Controller 2 (Used for SIO lock/unlock)
378 - 37F Parallel Port (LPT 1)
380 - 387 Unused
388 - 38B FM Synthesizer - ES 1869
38C - 3B3 Unused
3B4 - 3B5 Video Controller: Monochrome
3B6 - 3B9 Unused
3BA Video Controller: Monochrome
3BB Unused
3BC -3BF Reserved-Parallel Port
3C0 -3CF Video Controller: VGA Registers
3D0 - 3D3 Unused
3D4 - 3D5 Video Controller: Color
I/O Address (Hex) System Function (Shipping Configuration)
3D6 - 3D9 Unused
3DA Video Controller: Color
3DB - 3E7 Unused
3E8 - 3EF Reserved: Serial Port (COM 3)
3F0 - 3F7 Diskette Controller (Primary)
3F6 - 3F7 IDE Interface (Hard disk and CD or DVD Drive)
3F8 - 3FF Serial Port (COM 1)
4D0 Interrupt Controller 1 Edge/Level Control
4D1 Interrupt Controller 2 Edge/Level Control
4D2 - 677 Unused
678 - 67A Parallel Port ECP Mode
778 - 77A Parallel Port ECP Mode
CF8 PCI Configuration Index (32 bit I/O only)
CF9 Reset Control
CFC - CFF PCI Configuration Data
46E8 Video Controller: Adapter Sleep

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System Memory

Model: 4240 ES

System Memory

Size Memory Address System Function
640 K 00000000 - 0009FFFF Base Memory
128 K 000A0000 - 000BFFFF Video Memory
32 K 000C0000 - 000C7FFF Video ROM
32 K 000C8000 - 000CFFFF Legacy USB Device Header (when legacy support enabled)
48 K 000E0000 - 000EBFFF Unused (Not available for option cards. May use for UMBs.)
16 K 000EC000 - 000EFFFF 16-bit cacheable, shadowable, read-only memory. Not available for option cards.
64 K 000F0000 - 000FFFFF System BIOS ROM shadow image
15 M 00100000 - 00FFFFFF Standard Extended Memory
64 M 01000000 - 04FFFFFF Rest of Extended Memory
60 M 05000000 - 07FFFFFF Unused
512 K 08000000 - 0807FFFF Standard Direct Video Memory
512 K 08080000 - 080FFFFF Optional Direct Video Memory
1919 M 08100000 - 7FFFFFFF Unused
16 M 80000000 - 80FFFFFF Memory mapped I/O devices
~2000 M 81000000 - FDFDFFFF Unused-System ROM aliases
128 K FDFE0000 - FDFFFFFF System ROM (alias)
~32 M FE000000 - FFFDFFFF Unused
128 K FFFE0000 - FFFFFFFF System BIOS ROM

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System DMA

Model: 4240 ES

System DMA

Hardware System Function (Default) Alternate Mappings
DMA 0 ECP Parallel 1, 2, none
DMA 1 Entertainment Audio 0, 3, none
DMA 2 Diskette Drive None
DMA 3 Entertainment Audio 0, 1, none
DMA 4 Internally used for cascading
DMA 5 Available  
DMA 6 Available  
DMA 7 Available  

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Power Supply

Model: 4240 ES

Power Supply

U. S. Metric
Input Specifications

Nominal Line Voltage

100 to 120 VAC 220 to 240 VAC

Range Input Line

90 to 132 VAC 180 to 264 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

5.2 at 90 VAC 3.6 at 180 VAC

Inrush Current

80 A at 132 VAC
(cold start)
80 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)
To 50° C and 1524 m
To 32° C and 3048 m (derate linearly)

Minimum Load

3.0 A on + 5.0 V output
0.04 A on 12 V output

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 µs, damped sinusoidal
600 V, 10 µs pulse

Differential Mode

20% step change in AC input voltage

 

 

 

 
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