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Compaq Deskpro 2000 Compaq Deskpro 2000 Series of Personal Computers Pentium P - Page 36

Options, Cache Upgrade, System Memory, Audio Upgrade, Mass Storage Options - maximum memory

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The keyboard has feet on the bottom that enable the user to tilt the keyboard to a more comfortable typing angle. Figure 1-9. Keyboard Tilt Foot 1.7 Options The options that are available from Compaq for the Compaq Deskpro 2000 Series of Personal Computers are described briefly in the following sections. 1.7.1 Cache Upgrade The L2 cache on the Pentium system may be upgraded from 256 KB to 512 KB by means of an optional cache module. The L2 cache on the Pentium II system configuration is fixed at 512 KB. 1.7.2 System Memory The system memory may be increased to a maximum of 384-MB SDRAM by the addition of DIMMs to the three DIMM sockets on the system board. 1.7.3 Audio Upgrade s Compaq Business Pro Audio ESS 1868 s Compaq Multimedia Sound System; stereo speakers and microphone for telephony 1.7.4 Mass Storage Options The following mass storage options are available from Compaq for the Compaq Deskpro 2000 Series of Personal Computers: s LS-120 drive: 1.44-/120-MB, 3.5-inch, external and internal third-height. The LS-120 drive will also read/write to 720-KB media. s EIDE hard drives: 2.1 GB, 2.4 GB, 3.2 GB, and 4.3 GB s Ultra SCSI hard drive: 2.1 GB and 4.3 GB (requires a SCSI controller board) 1-24 Product Description

Section	Page
NOTICE	3
CONTENTS	5
PRODUCT DESCRIPTION	13
1.1 Compaq Deskpro 2000 Series of Personal Computer Models	14
1.2 Features	15
1.3 System Design	17
1.4 Desktop Computer Features	26
1.5 Minitower Computer Features	29
1.6 Enhanced Keyboard	34
1.7 Options	36
COMPAQ UTILITIES	39
2.1 Getting Ready	39
2.2 Computer Setup	41
2.3 Computer Checkup (TEST)	48
2.4 View System Information (INSPECT)	49
2.5 Create a Diagnostics Diskette	50
2.6 Managing the Diagnostics Partition	50
2.7 Exiting the Compaq Utilities Menu	51
2.8 Compaq Enhanced Insight Personal Edition (Diagnostics for Windows)	51
2.9 Power-On Self-Test (POST)	51
2.10 ROMPaq	52
2.11 Compaq Intelligent Manageability	53
ILLUSTRATED PARTS CATALOG	66
3.1 System Unit	67
3.2 Mass Storage Devices	71
3.3 Cables	73
3.4 Standard and Optional Boards	75
3.5 Keyboards	79
3.6 Monitors	81
3.7 Miscellaneous Hardware Kit	84
3.8 Miscellaneous Plastics Kit	85
3.9 Miscellaneous Parts	87
3.10 Shipping Boxes	89
REMOVAL AND REPLACEMENT PRELIMINARIES	94
4.1 Electrostatic Discharge Information	94
4.2 Routine Care	97
4.3 Service Considerations	99
REMOVAL AND REPLACEMENT PROCEDURES - DESKTOP	101
5.1 Serial Number	101
5.2 Disassembly Sequence Chart	102
5.3 Preparation for Disassembly	103
5.4 Feet	104
5.5 Cable Lock	105
5.6 System Unit Cover	106
5.7 Speaker	107
5.8 Expansion Board	109
5.9 System Board Components	112
5.10 Riser Board	118
5.11 Riser Brace	119
5.12 Expansion Board Guide	120
5.13 Replacement Battery	121
5.14 Front Bezel Assembly	123
5.15 Power Supply Assembly	127
5.16 Mass Storage Devices	130
5.17 Drive Cage	137
5.18 LED Cable	138
5.19 System Board	140
REMOVAL AND REPLACEMENT PROCEDURES - MINITOWER	143
6.1 Serial Number	143
6.2 Disassembly Sequence Chart	144
6.3 Preparation for Disassembly	145
6.4 Feet	145
6.5 Cable Lock	146
6.6 Exposing the Chassis	147
6.7 Riser Brace	149
6.8 Expansion Board	150
6.9 Expansion Board Guide	152
6.10 Riser Board	153
6.11 Speaker	154
6.12 System Board Components	155
6.13 System Board	161
6.14 Replacement Battery	164
6.15 ISA Option Board Retainer	166
6.16 Front Bezel Assembly	167
6.17 Power Supply Assembly	171
6.18 LED Cable	174
6.19 Mass Storage Devices	176
JUMPER AND SWITCH INFORMATION	184
7.1 System Board Switches	185
7.2 System Board Jumpers	189
7.3 Hard Drives	193
7.4 CD-ROM Drive Jumper Settings	201
7.5 Optional PD-CD Drives	201
7.6 Diskette Drive	202
SPECIFICATIONS	203
8.1 System	203
8.2 Drives	209
8.3 Audio System	216
8.4 Keyboard	216
8.5 Mouse	217
8.6 Supported Graphics Resolutions	217
CONNECTOR PIN ASSIGNMENTS	219
POWER CORD SET REQUIREMENTS	225
HARD DRIVES	227
DIAGNOSTIC ERROR CODES	232
POST ERROR MESSAGES	243
TROUBLESHOOTING WITHOUT DIAGNOSTICS	246
INTEL 440LX CHIPSET MEMORY LIMITATIONS	258

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1-24

Product Description

The keyboard has feet on the bottom that enable the user to tilt the keyboard to a more comfortable

typing angle.

Figure 1-9.

Keyboard Tilt Foot

1.7 Options

The options that are available from Compaq for the Compaq Deskpro 2000 Series of Personal

Computers are described briefly in the following sections.

1.7.1

Cache Upgrade

The L2 cache on the Pentium system may be upgraded from 256 KB to 512 KB by means of an

optional cache module. The L2 cache on the Pentium II system configuration is fixed at 512 KB.

1.7.2

System Memory

The system memory may be increased to a maximum of 384-MB SDRAM by the addition of

DIMMs to the three DIMM sockets on the system board.

1.7.3

Audio Upgrade

■

Compaq Business Pro Audio ESS 1868

■

Compaq Multimedia Sound System; stereo speakers and microphone for telephony

1.7.4

Mass Storage Options

The following mass storage options are available from Compaq for the Compaq Deskpro 2000 Series

of Personal Computers:

■

LS-120 drive: 1.44-/120-MB, 3.5-inch, external and internal third-height. The LS-120 drive will