IBM A20M Reference Guide

Processor

Implementation

L2 cache

Memory - std/max
Memory - sockets
Memory - type

Graphics - some

models

Graphics - some

models

Disk
Disk controller
Diskette drive
CD-ROM

Motherboard
Architecture

Chip set

USB/serial/parallel
Audio

Audio connectors
Speaker

Ethernet controller

Enhanced security

Keyboard / mouse
Power supply

®

 Pentium III 933MHz

1

 with 133MHz Front Side Bus

Processor and L2 cache in Flip-Chip Pin Grid Array (FC-PGA)
in PGA370 socket
256KB std and max / ECC / full speed

128MB std / 512MB max
Two 168-pin gold plated DIMM sockets / one socket used
SDRAM / non-parity only / industry std / unbuffered /
133MHz SDRAM

SVGA / Direct AGP / in 815E Graphics Memory Controller Hub
(GMCH) / 0MB std and max / (DVMT) uses main memory with no
display cache / 15-pin analog D-sub connector
nVidia

™ TNT2 M64 32MB AGP 4X adapter / 15-pin analog D-sub

connector

ATA-66, SMART

3

 III, SMART Reaction II / 30GB is 7200rpm

Enhanced IDE/ ATA-100 / integrated into I/O Controller Hub (ICH2)
3.5: 1.44MB diskette drive

Some models:

 48X-20X

4

 CD-ROM / bootable

MicroATX
Accelerated Hub Architecture / 266MB/sec I/O channel

8

 / 82815 Graphics Memory Controller Hub (GMCH) /

82801BA I/O Controller Hub (ICH2) for PCI 2.2 bus, ATA-100
EIDE, ethernet MAC, USB, Low Pin Count Interface /
82802 Firmware Hub

Two USB ports (Version 1.1) on back / two serial / one parallel port
Integrated digital audio / software-based audio (done
by processor and ICH2) / AC ’97 interface / ADI1885 codec
(analog mixing, Analog-to-Digital and Digital-to-Analog conversion)
Line and headphone out / line in / microphone jack (all in back / 3.5mm)
One internal speaker / requires externally powered speakers

6579 (Some models):

 10/100 ethernet / controller in ICH2 and adapter in PCI/

CNR slot (Intel PRO/100 VE Desktop Connection adapter) / no Alert on LAN
A40p has a security chip (256-bit encryption) daughtercard attached to
motherboard which enables RFID antenna, C2 tamper switch, and
Alert on LAN 2 support with compatible adapter

104-key keyboard / IBM ScrollPoint

TM

 II mouse

6579:

 155 watts with variable speed fan / universal / manual switch

A40p 6579-RAU White

4x4

Pentium

®

 III 933/133 128MB 30GB

48X-20X

4

4X nVidia 32MB 10/100

815E

Win Millennium

Sep  2000

A40p 6579-RBU White

4x4

Pentium III

933/133 128MB 30GB

48X-20X

4X nVidia 32MB 10/100

815E

Windows 2000

Sep  2000

A40p 6579-R1U

White

4x4

Pentium III

933/133

  0MB None

None

AGP 2X GMCH None

815E

None

Sep  2000

IBM

®

TM

6579 dimensions (4 slot x 4 bay)
-

16.7”W X 16.7”D X 5.5”H

-

425mmW X 425mmD X 140mmH

-

23  lb

Options
64MB SDRAM 133MHz NP DIMM

33L3071

128MB SDRAM 133MHz NP DIMM

33L3073

256MB SDRAM 133MHz NP DIMM

33L3075

Rapid Access

TM

 Keyboard II (p wht)

33L3154

Rapid Access

TM

 Keyboard II (black)

33L3174

10.1GB IDE Hard Drive (Value)

00N8202

15GB IDE Hard Drive (Value)

19K4463

15GB IDE Hard Drive (7200 rpm)

19K4460

20GB IDE Hard Drive (7200 rpm)

19K4461

30GB IDE Hard Drive (7200 rpm)

00N8203

48X-20X

4

 IDE CD-ROM

33L5001

Zip Drive 250MB

00N8078

8X/4X/32X CD-RW Internal Drive

33L5019

IBM Scrollpoint Pro Mouse (Sage)

33L3246

IBM Scrollpoint Pro Mouse (Blue)

33L3247

5

Microsoft

®

 Windows

®

 2000 Professional

- Lotus

®

 SmartSuite

®

 license

6

- Lotus Notes

®

 Client 5.0 license

6

- Disk-to-Disk Recovery (NT 4.0 or W2000)

✧ Software Selections CD-ROM

1

Bay 

① 5.25", HH 1.6", access,

CD-ROM

Bay 

② 5.25", HH 1.6" access,

open

Bay 

③ 3.5", SL 1", access,

std diskette

Bay 

④ 3.5", SL 1", no access, std disk

diskette

②

CD-ROM

disk

• Pearl white color

• Bay 1 and 2 in

cage flips up

• Bay 3 and 4 in

cage flips up

Slot 1:

fullsize

, 

32-bit AGP 4X (universal) - used in some

Slot 2: fullsize, 32-bit PCI 2.2 (5v) with longer slot* - e**
Slot 3: fullsize, 32-bit PCI 2.2 (5v)
Slot 4: fullsize

, 

32-bit PCI 2.2 (5v) - ethernet

* Longer connector has LAN Connect Interface (LCI)
** ethernet adapter in some models

9

Microsoft

®

 Windows Millennium

- Lotus SmartSuite license

6

- Lotus Notes

®

 Client 5.0 license

6

- Disk-to-Disk Recovery (in Service Partition)

✧ Software Selections CD-ROM

•••••

Universal Manageability Services (UM)
Desktop Extensions enabled

•••••

SMART Reaction II

•••••

PC 99-compliant

•••••

Advanced Power Management 1.2

•••••

Advanced Configuration and
Power Interface (ACPI) 1.0a

•••••

System Management BIOS

•••••

DMI 2.0-compliant

•••••

RPL and DHCP support

•••••

Wake on LAN

•••••

 2 (with supported

adapter)

•••••

•••••

•••••

Keylockable cover

•••••

RFID antenna

•••••

C2 tamper switch

•••••

U-Bolt anchoring feature

•••••

Power-on password

•••••

Administator password

* For a copy of IBM's Statement of Limited Warranty, call 1-800-772-2227
US models announced September 12, 2000; withdrawn effective September 2001

No warranties are expressed or implied in this summary

 (6579F) 

© IBM Corp. September 2001

•••••

Boot sequence control

•••••

Diskette boot inhibit

•••••

Diskette write protect

•••••

Boot w/o keyboard or mouse

•••••

Diskette, hardfile, serial, and
parallel  I/O control

,9

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9

➫

➫

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➫ On site warranty upgrade option:

7

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➫ Post warranty on site options:

7

7

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®16

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