Presario 900

Document Number: 107315-027, Volume 2
Publication Date: July 1996

System Boards (w/o processor)	Assembly	Spare Part	Config Codes	System
486 System Board, 4 MB	004259-101	171009-001	HMB, HMC, HLY, HLZ	Note ¹
	004105-101
486 System Board, 8 MB	004093-102	210063-001	HQC, HQD, HQF, HQG	Note ²
	004842-101
586 System Board, P5/60, 8 MB	004378-101	187966-001	HPT	Note ³
586 System Board, P54C, 8 MB	004447-101	171406-001	HPW, HPX HPY	Note ⁴
	004654-101
	004960-101

¹Presario 920, 924, CDS 920, 924, CDTV 920.
²Presario 940, CDS 942, 944, 954, CDTV 948.
³Presario CDS 962.
⁴Presario CDS 972, 974, 982,992, CDTV 978.

**Configuration Jumper Settings, 486 boards W/4 MB (004105, 004259)**
Jumper	Function	Setting	Description
P1	Clock Select	1 - 2	25 MHz Processor Clock
P1	Clock Select	2 - 3	33 MHz Processor Clock (Default)
P3	L1 Cache Type	1 - 2	Write through
P3	L1 Cache Type	2 - 3	Write back (Default)
P5	CMOS Power	1 - 2	Secure CMOS (Default)
P5	CMOS Power	Open	Remove jumper 10 sec. to clear CMOS

**Configuration Jumper Settings, 486 Boards W/8 MB (004093, 004842)**
Jumper	Function	Setting	Description
P1	Clock Select	1 - 2	30 MHz Processor Clock
P1	Clock Select	2 - 3	33 MHz Processor Clock (Default)
P3	DX4 Core Speed	1 - 2	DX4 - Core runs at 2x clock speed
P3	DX4 Core Speed	2 - 3	DX4 - Core runs at 3x clock speed
P5	CMOS Power	1 - 2	Secure CMOS (Default)
P5	CMOS Power	Open	Remove jumper (10 sec) to clear CMOS

**Configuration Jumpers for 586 Models (004378, 004447, 004654, 004960)**
Jumper	Function	Setting	Description
P2	CMOS Erase	---	Remove jumper P2 for 60 seconds and replace P2 to clear CMOS; if P2 is removed for 60 seconds, password will be invalid because password is stored in CMOS
P3	Password	1 - 2	Enables password
P3	Password	2 - 3	Disables password
J5	Replacement Battery Connector	---	Use only a 4.5v alkaline computer battery

**Speed Jumpers for Pentium P54C Models (004447, 004654, 004690)**
Jumper	Function	Setting	Description
P5	CPU Bus Speed	1 - 2	Bus Speed = 60 MHz
P5	CPU Bus Speed	2 - 3	Bus Speed = 50 MHz
P11	CPU Core to Bus Speed Ratio	1 - 2	Core Speed = 1.5 times bus speed
P11	CPU Core to Bus Speed Ratio	2 - 3	Core Speed = 2 times bus speed

**Processor Jumper Settings, 486 Boards W/8 MB (004093, 004842)**
Processor	30/33 Mhz P1	DX4 Core P3
DX4/90	1 - 2	2 - 3
DX4/100	2 - 3	2 - 3

Processor Jumper Settings, 486 boards w/4 MB
(Assembly No. 004105, 004259)
Processor	P1 (25/33 MHz)	P3 (Cache Type)
486DX/25	1 - 2	1 - 2
486DX/33	2 - 3	1 - 2
486SX2/50	1 - 2	1 - 2
Overdrive/50	1 - 2	1 - 2
486DX2/50	1 - 2	1 - 2
486SX2/66	2 - 3	1 - 2
Overdrive/66	2 - 3	1 - 2
486DX2/66	2 - 3	2 - 3
DX4/90	1 - 2	1 - 2
DX4/100	2 - 3	1 - 2

Microprocessors	Spare Part	System
486DX2/66	171752-001	Note²
486SX2/66	189388-001	Note¹
486DX4/90	200896-001	Note³
486DX4/100	200861-001	Note⁴
P5/60	148289-001	Note⁵
P54C/75	172760-003	Note ⁶
P54C/90	172760-002	Note⁷
P54C/100	213113-001	Note⁸

¹ Presario 920, CDS 920, CDTV 920.
² Presario 924, CDS 924.
³ Presario 940, CDS 942, 944, CDTV 948.
⁴ Presario CDS 954.
⁵ Presario CDS 962.
⁶ Presario CDS 972, 974, CDTV 978.
⁷ Presario CDS 982.
⁸ Presario CDS 992.

Memory	Assembly	Spare Part	System
4 MB SIMM, 70ns, Gold contacts	160019-003	160033-001	Note ¹
4 MB SIMM, 70ns, Lead/Tin Contacts	172707-002	172718-001	Note²
128K Cache Memory	004129-001	171085-001	Note¹
1 MB Video Memory	004120-001	171044-001	Notes¹,²

¹ Presario 920, 924, 940 CDS 920, 924, 942, 944, 954 CDTV 920, 948.
² Presario CDS 962, 972, 974, 982, 992, CDTV 978.

Miscellaneous	Assembly	Spare Part	System
Backplane, 486	004149-001	137997-001	Note¹
Backplane, 586	004464-001	188706-001	Note²
Microphone, External, International	--	141343-001	All
Speaker, External, International	--	160920-001	All

¹ Presario 920, 924, 940; CDS 920, 924, 942, 944, 954; CDTV 920, 948.
² Presario CDS 962, 972, 974, 982, 992; CDTV 978.

Controller Boards	Assembly	Spare Part	System
IDE Controller	002172-001	171745-001	Option
PCTV Tuner	171096-001	171092-001	All CDTV

**Hard Drives**
Size	Type	Cable Select⁷	Spare Part	System
420 MB, IDE	65	Yes	172193-001 172780-001	Note 1 Note2
525 MB, IDE	65	--	171012-001	Note3
540 MB	65	Yes	188666-001	Note4
720 MB	65	Yes	172842-001	Note5
1.08 GB, IDE	65	--	172941-001	Note6

¹ Presario 920, 924, CDS 920, CDTV 920.
² Presario 940, CDS 942
³ Presario CDS 924.
⁴ Presario CDS 944, 954, 962, CDTV 948.
⁵ Presario CDS 972, 978; CDTV 974, 982
⁶ Presario CDTV 992.
⁷ "Hard Drive Select" cable required.

CD-ROM Drive	System	Spare Part
CD-ROM, IDE, 2-speed	Note1	172159-001
CD-ROM, IDE, 4-speed	Note2	172864-001

¹Presario CDS 920, 924, CDTV 920.
²Presario CDS 944, 954, 962, 972, 974, 982, 992, CDTV 948, 978.

Tape Drives	Spare Part	System	Tape Cartridge	Spare Part
120/250 MB with compression	187657-001	Option	120 MB	116967-001
340/680 MB with compression	187658-001	Option	340 MB	184299-001
340/680 MB with compression	187658-001	Option	680 MB	184300-001

Diskette Drives	System	Spare Part
1.44 MB, Light Gray	All	160788-201
1.2 MB, Light Gray	Option	141367-201*

*201 = Beach (light) Gray.

**14.4K bps Modem, D/F/TAM**
Country	Assembly	Spare Part	System
U.S.	003993-001	176501-001	486 Models
U.S.	003993-002	176501-002	586 Models

9600-Baud Modem, D/F/TAM*
Country	Assembly	Spare Part	Cable Spare Part
Australia	165231-011	165220-011	165224-011
Austria	165232-041	165220-341	165224-341
Belgium	165232-181	165220-181	165224-181
Denmark	165232-081	165220-081	165224-081
France	165232-051	165220-051	135716-001
Germany	165232-041	165220-041	165224-041
Italy	165232-061	165220-061	165224-061
Japan, Korea, Singapore, Thailand	165231-192	165220-192	165224-001
Netherlands	165232-331	165220-331	165224-331
New Zealand	165231-361	165220-361	165221-001
Sweden	165232-101	165220-101	165224-101
Switzerland	165232-111	165220-111	165224-111
United Kingdom	165231-031	165220-031	165221-001
Modem Adapter	--	171746-001	--

*Outside North America.

Cable Information	Spare Part	System
LED Cable, w/holder	141346-001	All
Multimedia External Audio Cable	176866-001	All
Diskette Drive Cable	172480-001	All
Audio Internal CD-ROM/System Board Cable	171139-001	All
Audio PCTV System Board Cable	171613-001	All CDTV
SCSI-2, 3-Connector	146997-001	All
Serial Port Cable	171141-001	All
Telephone Cable, U.S.	127949-001	All
TV Loopback Cable	171165-001	All CDTV
TV Cable Adapter	171615-001	All CDTV
Video Int. TV Board to System Board Cable	171614-001	All CDTV
Hard Drive/CD-ROM Cable (CS)	200860-001	All
Hard Drive Cable-Dual Drive	172945-001	Option

Processor Jumper Settings, 486 boards w/4 MB
(Assembly No. 004105, 004259)
ROM Information	Spare Part	System
System ROM	171154-001	486
System ROM	200932-001	Presario 940, CDS 942, 944, 954, CDTV 948
System ROMPaq (586)	148218-001	586
Modem ROM	176508-001	All

Power Supply/Battery	Spare Part	System
Power Supply	172432-001	Note¹
Power Supply	172838-001 (185 Watt)	Note²
Real-Time Clock Battery (4.5 v alkaline)	160274-001	All

¹Presario 920, 924, CDS 920, 924, CDTV 920.
²Presario 940, CDS 942, 944, 954, 962, 972, 974, 982, 992, CDTV 948, 978.