Spring Circle - Mainboard description

MANUALS

ST 586 P564-3 manual

MAINBOARDS FEATURES DESCRIPTIONS

SPRING CIRCLE ST 586 REV. P 56x (SP561, SP564, SP566) - MANUAL
SPRING CIRCLE ST 586 REV. P 571 (SP571)
SPRING CIRCLE ST 586 REV. P 550 (SP550)
SPRING CIRCLE P5C01
SPRING CIRCLE SF 586 REV. VIP3A
SPRING CIRCLE 4X521

MAINBOARD SPRING CIRCLE ST 586 REV. P 561- P 566
(SP561 . . . SP566) DESCRIPTION

BIOS IDs:
2A59GS9AC for P561...P565 (P56x-U0x) revs. (UMC I/O chip???)
2A59GS9BC for P561...P565 (P56x-G0x) revs. LGS I/O chip.
2A59GS9CC for P566 (P56x-I0x) revs.

Spring Circle ST 586 rev. P 56x family mainboards - is 586 generation mainboards, based on Intel 430 VX Triton chipset. This family includes mainboards models (known): P561, P563, P564, P565, P566.

MAIN FEATURES:

Supported CPUs:

Intel Pentium processors P54C/S at 75-200 MHz,
Pentium MMX P55C/S processors at 166-233 MHz (*);
AMD 5k86/K5 processors PR75-PR133
AMD K5 processors PR150-PR200 (*)
AMD K6 processors at 166-200 MHz (*),(**)
AMD K6 at 233-266 MHz (***)
Cyrix/IBM 6x86/6x86L processors P120 - P200+.
Cyrix 6x86MX/MII (***)

(*) - for versions of mainboards with two installed voltage regulator modules only.
(**) - for revisions P561-4, P564-3, P565-3, P566-5 and later.
(***) - for revisions P561-6, P565-4, P566-6

Maximal CPU internal frequency (known revisions only)**:

Models and revisions	Maximal supported internal frequency of CPU, MHz
	Standard		Overclocked
	non-MMX*	MMX*	non-MMX*	MMX*
P561-1..5, P564-1..3, P565-1..3, P566-1..5	200 (3x66)	233 (3.5x66)	225 (3x75)	262 (3.5x75)
P561-6, P564-5, P565-4, P566-6	200 (3x66)	363 (5.5x66)	225 (3x75) or 250 (3x83)	412 (5.5x75) or 456 (5.5x83)

* non-MMX CPUs: Intel Pentium P54 at 75-200 MHz, MMX CPUs: Intel Pentium MMX (P55) at 166-233 MHz, AMD K6 at 166-233 MHz. Multipliers 4.0...5.5 supported only by AMD K6-x
** - theoretical values. 75/83 MHz are non-standard frequencies, and may not be supported by other hardware, installed in your system. Using CPUs not intended for your mainboard may be harmful for your CPU/mainboard.

RAM:

Up to 128 MB total memory size. EDO/FPM/SDRAM PC-66 memory types supported.
P 564-3: Four 72-pin SIMM slots.

Multi I/O:

Integrated Multi I/O subsystem supports up to four EIDE devices. BIOS supports HDDs up up to 8 GB per device. Transfer mode PIO 4, DMA mode 2. Maximal transfer rate up to 22 MB/sec.

Speeds:

Front Side Bus frequencies at 50, 51, 55, 62, 66, 69 and 75 MHz (for P564-3)
FSB/CPU frequency multipliers: 1.5, 2, 2.5, 3 ( for Intel Pentium CPUs), 3.5 for K6/Pentium MMX CPUs (P561-6, P565-4, P566-6 also supports 4.0, 4.5, 5.0, 5.5 for AMD K6-2).

CPU Voltage:

3.3, 3.45, 2.8*, 2.5*, 3.2**, 2.2** Volt CPU core voltage and 3.3/3.45 V I/O voltage supported.
* - for versions of mainboards with two voltage regulator modules only (see on the radiator).
**-last revisions only (P561-6, P565-4, P566-6).

Mainboard layouts:

    Socket 7 upgradable ZIF CPU socket.
    P564-3: Three PCI and three ISA slots
    PCI 2.1 and ISA Plug-n-Play supported
    P564-3:Four 72-pin SIMM slots
    COM1, COM2, LPT, PS/2, USB, IR ports
    Two EIDE ports, floppy drives port
    AT Power connector
    DIN-5 keyboard connector

MAINBOARD SPRING CIRCLE ST 586 REV. P 550 (SP550) DESCRIPTION

BIOS IDs:
2A59CS9AC
2A59CS9BC

Spring Circle ST 586 rev. P 550 mainboard - is 586 generation mainboard, based on Intel 430 FX-66 Triton chipset.

MAIN FEATURES:

Supported CPUs:

Intel pentium processors P54C/S at 75-200 MHz,
AMD 5k86 processors PR75-PR100
Cyrix/IBM 6x86 (M1) processors P120 - P200+.

RAM:

Four 72-pin SIMM slots, EDO/FPM memory types supported. Up to 128 MB total memory size.

Multi I/O:

Integrated Multi I/O subsystem supports up to four EIDE devices. Maximal capacity 8 GB per device. Transfer mode PIO 4, DMA mode 2. Maximal transfer rate up to 22 MB/sec.

Speeds:

Front Side Bus standard frequencies at 50, 55, 60, 66 MHz
FSB/CPU frequency multipliers: 1.5, 2, 2.5, 3
CPU speeds (standard) 75-200MHz

CPU Voltage:

3.3, 3.45 Volt CPU core and I/O voltage supported.

Mainboard layouts:

    Socket 7 upgradable ZIF CPU socket.
    4 PCI ver. 2.1 and ISA PnP slots
    Four 72-pin SIMM slots
    COM1, COM2, LPT, PS/2, IR ports
    Two EIDE ports, floppy drives port
    AT Power connector
    DIN-5 keyboard connector

MAINBOARD SPRING CIRCLE ST 586 REV. P 571 DESCRIPTION

(partially information provided by Alessandro Selli)

BIOS IDs:
2A59FS9AC
2A59FS9BC - rev. P 571-3 and later

Spring Circle ST 586 rev. P 571 mainboard - is 586 generation mainboard, based on Intel 430 HX Triton II chipset.

MAIN FEATURES:

Supported CPUs:

Intel Pentium processors P54C/S at 75-200 MHz,
Pentium MMX P55C/S processors at 166-233 MHz (*);
AMD 5k86/K5 processors PR75-PR133
AMD K5 processors PR150-PR200 (*)
AMD K6 processors at 166-200 MHz (*)
Cyrix/IBM 6x86/6x86L processors P120 - P200+.

(*) - for versions of mainboards with two installed voltage regulator modules only,
rev. P571-5.

RAM:

Four 72-pin SIMM slots (up to 128 MBytes). (*)

(*) - Rev. P571-5

Multi I/O:

Integrated Multi I/O subsystem supports up to four EIDE devices. Maximal capacity 8 GB per device. Transfer mode PIO 4, DMA mode 2. Maximal transfer rate up to 22 MB/sec.

Speeds:

Front Side Bus frequencies at 50, 55, 60, 66 MHz (standard), non-standard - unknown
FSB/CPU frequency multipliers: 1.5, 2, 2.5, 3 ( for Intel Pentium CPUs), 3.5 for K6/Pentium MMX CPUs

CPU Voltage:

3.3, 3.45, 2.8*, 2.5* Volt CPU core voltage and 3.3/3.45 V I/O voltage supported.
* - for versions of mainboards with two installed voltage regulator modules only.

Mainboard layouts:

    Socket 7 upgradable ZIF CPU socket.
    3 PCI ver. 2.1 and 4 ISA PnP slots *
    4 72-pin SIMM slots *
    COM1, COM2, LPT, PS/2, USB ports
    Two EIDE ports, floppy drives port
    AT Power connector
    DIN-5 keyboard connector

* - Rev. P571-5

MAINBOARD SPRING CIRCLE REV. P 5C01 DESCRIPTION

BIOS ID:
2A5IDS99C
2A5IDS9AC

Spring Circle P 5C01 mainboard - is 586 generation mainboard, based on SiS 5511 chipset.

MAIN FEATURES:

Supported CPUs:

Intel Pentium processors P54C/S at 75-200 MHz,
AMD 5k86/K5 Unknown
Cyrix/IBM (M1) 6x86 processors P120 - P200+.

RAM:

FPM/EDO memory supported. Four 72-pin SIMM slots. Total memory size up to 128 MB.

Multi I/O:

Integrated Multi I/O subsystem supports up to four EIDE devices. Maximal capacity 8 GB per device. Transfer mode PIO 4, DMA mode 2. Maximal transfer rate up to 22 MB/sec.

Speeds:

Front Side Bus frequencies at Unknown
FSB/CPU frequency multipliers: 1.5, 2, 2.5, 3

CPU Voltage:

3.3, 3.4, 3.5 Volt CPU core and I/O voltage supported.

Mainboard layouts:

    Socket 7 upgradable ZIF CPU socket.
    Unknown PCI ver. 2.1 and Unknown ISA PnP slots
    Four 72-pin SIMM slots
    COM1, COM2, LPT, PS/2, IR ports
    Two EIDE ports, floppy drives port
    Unknown Power connector
    DIN-5 keyboard connector

MAINBOARD SPRING CIRCLE SF 586 REV. VIP3A DESCRIPTION

BIOS IDs:
2A5R5S91

Spring Circle SF 586 rev. P VIP3A mainboard - is 586 generation mainboard, based on Forex 601-613 chipset.

MAIN FEATURES:

Supported CPUs:

Intel Pentium processors P54C/S at 75-100 MHz,

RAM:

Unknown.

Multi I/O:

Unknown.

Speeds:

Front Side Bus standard frequencies at 50, 60, 66 MHz
FSB/CPU frequency multipliers: 1.5, 2 (?)
CPU speeds (standard) 75, 90, 100 MHz

CPU Voltage:

3.3, 3.45 Volt CPU core and I/O voltage supported.

Mainboard layouts:

    Socket 5 upgradable ZIF CPU socket.
    PCI ver. 2.1 and ISA PnP slots
    COM1, COM2, LPT, PS/2 ports
    Two EIDE ports, floppy drives port
    AT Power connector

MAINBOARD SPRING CIRCLE 4X521 DESCRIPTION

BIOS ID (AMI):
40-0G00-001398-00101111-080893-4X521-H

Chipset: FOREX FRX46C512A

Spring Circle 4X521 mainboard - is a 486 generation mainboard.

MAIN FEATURES:

Supported CPUs:

Intel 486 SX/DX/DX2 processors at 25/33/40/50/66/80 MHz internal clock freq.

RAM:

30-pin SIMM slots, FPM memory type supported.

Mainboard layouts:

    3 VESA Local Bus slots
    7 ISA slots
    COM1, COM2, LPT, PS/2 ports
    AT Power connector
    DIN-5 keyboard connector

MANUAL

Presented manual is not copy of original Spring Circle manual. Information valid for ST586 P564-3 mainboard.

This manual includes standard manual information: mainboard features, layouts, jumpers settings, memory installing information, Award BIOS Setup description.

About all mistakes and additions write to: vap@tut.by

Manual presented in Acrobat Reader (.PDF) format.

DOWNLOAD MANUAL.

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